Merge pull request #273 from databasus/develop

FIX (ci \ cd): Make DB files in CI \ CD executable

.github/workflows/ci-release.yml

@@ -17,17 +17,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.24.4"
-
-      - name: Cache Go modules
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/go/pkg/mod
-            ~/.cache/go-build
-          key: ${{ runner.os }}-go-${{ hashFiles('backend/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          go-version: "1.24.9"
 
       - name: Install golangci-lint
         run: |
@@ -63,8 +53,6 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: "20"
-          cache: "npm"
-          cache-dependency-path: frontend/package-lock.json
 
       - name: Install dependencies
         run: |
@@ -93,8 +81,6 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: "20"
-          cache: "npm"
-          cache-dependency-path: frontend/package-lock.json
 
       - name: Install dependencies
         run: |
@@ -134,17 +120,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.24.4"
-
-      - name: Cache Go modules
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/go/pkg/mod
-            ~/.cache/go-build
-          key: ${{ runner.os }}-go-${{ hashFiles('backend/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          go-version: "1.24.9"
 
       - name: Create .env file for testing
         run: |
@@ -221,6 +197,12 @@ jobs:
           TEST_MONGODB_60_PORT=27060
           TEST_MONGODB_70_PORT=27070
           TEST_MONGODB_82_PORT=27082
+          # Valkey (cache)
+          VALKEY_HOST=localhost
+          VALKEY_PORT=6379
+          VALKEY_USERNAME=
+          VALKEY_PASSWORD=
+          VALKEY_IS_SSL=false
           EOF
 
       - name: Start test containers
@@ -233,6 +215,11 @@ jobs:
           # Wait for main dev database
           timeout 60 bash -c 'until docker exec dev-db pg_isready -h localhost -p 5437 -U postgres; do sleep 2; done'
 
+          # Wait for Valkey (cache)
+          echo "Waiting for Valkey..."
+          timeout 60 bash -c 'until docker exec dev-valkey valkey-cli ping 2>/dev/null | grep -q PONG; do sleep 2; done'
+          echo "Valkey is ready!"
+
           # Wait for test databases
           timeout 60 bash -c 'until nc -z localhost 5000; do sleep 2; done'
           timeout 60 bash -c 'until nc -z localhost 5001; do sleep 2; done'
@@ -310,34 +297,6 @@ jobs:
           mkdir -p databasus-data/backups
           mkdir -p databasus-data/temp
 
-      - name: Cache PostgreSQL client tools
-        id: cache-postgres
-        uses: actions/cache@v4
-        with:
-          path: /usr/lib/postgresql
-          key: postgres-clients-12-18-v1
-
-      - name: Cache MySQL client tools
-        id: cache-mysql
-        uses: actions/cache@v4
-        with:
-          path: backend/tools/mysql
-          key: mysql-clients-57-80-84-9-v1
-
-      - name: Cache MariaDB client tools
-        id: cache-mariadb
-        uses: actions/cache@v4
-        with:
-          path: backend/tools/mariadb
-          key: mariadb-clients-106-121-v1
-
-      - name: Cache MongoDB Database Tools
-        id: cache-mongodb
-        uses: actions/cache@v4
-        with:
-          path: backend/tools/mongodb
-          key: mongodb-database-tools-100.10.0-v1
-
       - name: Install MySQL dependencies
         run: |
           sudo apt-get update -qq
@@ -345,31 +304,58 @@ jobs:
           sudo ln -sf /usr/lib/x86_64-linux-gnu/libncurses.so.6 /usr/lib/x86_64-linux-gnu/libncurses.so.5
           sudo ln -sf /usr/lib/x86_64-linux-gnu/libtinfo.so.6 /usr/lib/x86_64-linux-gnu/libtinfo.so.5
 
-      - name: Install PostgreSQL, MySQL, MariaDB and MongoDB client tools
-        if: steps.cache-postgres.outputs.cache-hit != 'true' || steps.cache-mysql.outputs.cache-hit != 'true' || steps.cache-mariadb.outputs.cache-hit != 'true' || steps.cache-mongodb.outputs.cache-hit != 'true'
-        run: |
-          chmod +x backend/tools/download_linux.sh
-          cd backend/tools
-          ./download_linux.sh
-
-      - name: Setup PostgreSQL symlinks (when using cache)
-        if: steps.cache-postgres.outputs.cache-hit == 'true'
+      - name: Setup PostgreSQL, MySQL and MariaDB client tools from pre-built assets
         run: |
           cd backend/tools
-          mkdir -p postgresql
+          
+          # Create directory structure
+          mkdir -p postgresql mysql mariadb mongodb/bin
+          
+          # Copy PostgreSQL client tools (12-18) from pre-built assets
           for version in 12 13 14 15 16 17 18; do
-            version_dir="postgresql/postgresql-$version"
-            mkdir -p "$version_dir/bin"
-            pg_bin_dir="/usr/lib/postgresql/$version/bin"
-            if [ -d "$pg_bin_dir" ]; then
-              ln -sf "$pg_bin_dir/pg_dump" "$version_dir/bin/pg_dump"
-              ln -sf "$pg_bin_dir/pg_dumpall" "$version_dir/bin/pg_dumpall"
-              ln -sf "$pg_bin_dir/psql" "$version_dir/bin/psql"
-              ln -sf "$pg_bin_dir/pg_restore" "$version_dir/bin/pg_restore"
-              ln -sf "$pg_bin_dir/createdb" "$version_dir/bin/createdb"
-              ln -sf "$pg_bin_dir/dropdb" "$version_dir/bin/dropdb"
-            fi
+            mkdir -p postgresql/postgresql-$version
+            cp -r ../../assets/tools/x64/postgresql/postgresql-$version/bin postgresql/postgresql-$version/
           done
+          
+          # Copy MySQL client tools (5.7, 8.0, 8.4, 9) from pre-built assets
+          for version in 5.7 8.0 8.4 9; do
+            mkdir -p mysql/mysql-$version
+            cp -r ../../assets/tools/x64/mysql/mysql-$version/bin mysql/mysql-$version/
+          done
+          
+          # Copy MariaDB client tools (10.6, 12.1) from pre-built assets
+          for version in 10.6 12.1; do
+            mkdir -p mariadb/mariadb-$version
+            cp -r ../../assets/tools/x64/mariadb/mariadb-$version/bin mariadb/mariadb-$version/
+          done
+          
+          # Make all binaries executable
+          chmod +x postgresql/*/bin/*
+          chmod +x mysql/*/bin/*
+          chmod +x mariadb/*/bin/*
+          
+          echo "Pre-built client tools setup complete"
+
+      - name: Install MongoDB Database Tools
+        run: |
+          cd backend/tools
+          
+          # MongoDB Database Tools must be downloaded (not in pre-built assets)
+          # They are backward compatible - single version supports all servers (4.0-8.0)
+          MONGODB_TOOLS_URL="https://fastdl.mongodb.org/tools/db/mongodb-database-tools-debian12-x86_64-100.10.0.deb"
+          
+          echo "Downloading MongoDB Database Tools..."
+          wget -q "$MONGODB_TOOLS_URL" -O /tmp/mongodb-database-tools.deb
+          
+          echo "Installing MongoDB Database Tools..."
+          sudo dpkg -i /tmp/mongodb-database-tools.deb || sudo apt-get install -f -y --no-install-recommends
+          
+          # Create symlinks to tools directory
+          ln -sf /usr/bin/mongodump mongodb/bin/mongodump
+          ln -sf /usr/bin/mongorestore mongodb/bin/mongorestore
+          
+          rm -f /tmp/mongodb-database-tools.deb
+          echo "MongoDB Database Tools installed successfully"
 
       - name: Verify MariaDB client tools exist
         run: |
@@ -672,17 +658,6 @@ jobs:
             echo EOF
           } >> $GITHUB_OUTPUT
 
-      - name: Update CITATION.cff version
-        run: |
-          VERSION="${{ needs.determine-version.outputs.new_version }}"
-          sed -i "s/^version: .*/version: ${VERSION}/" CITATION.cff
-          sed -i "s/^date-released: .*/date-released: \"$(date +%Y-%m-%d)\"/" CITATION.cff
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-          git add CITATION.cff
-          git commit -m "Update CITATION.cff to v${VERSION}" || true
-          git push || true
-
       - name: Create GitHub Release
         uses: actions/create-release@v1
         env:
@@ -726,4 +701,4 @@ jobs:
       - name: Push Helm chart to GHCR
         run: |
           VERSION="${{ needs.determine-version.outputs.new_version }}"
-          helm push databasus-${VERSION}.tgz oci://ghcr.io/databasus/charts
+          helm push databasus-${VERSION}.tgz oci://ghcr.io/databasus/charts

.pre-commit-config.yaml

@@ -6,14 +6,14 @@ repos:
     hooks:
       - id: frontend-format
         name: Frontend Format (Prettier)
-        entry: powershell -Command "cd frontend; npm run format"
+        entry: bash -c "cd frontend && npm run format"
         language: system
         files: ^frontend/.*\.(ts|tsx|js|jsx|json|css|md)$
         pass_filenames: false
 
       - id: frontend-lint
         name: Frontend Lint (ESLint)
-        entry: powershell -Command "cd frontend; npm run lint"
+        entry: bash -c "cd frontend && npm run lint"
         language: system
         files: ^frontend/.*\.(ts|tsx|js|jsx)$
         pass_filenames: false
@@ -23,7 +23,14 @@ repos:
     hooks:
       - id: backend-format-and-lint
         name: Backend Format & Lint (golangci-lint)
-        entry: powershell -Command "cd backend; golangci-lint fmt; golangci-lint run"
+        entry: bash -c "cd backend && golangci-lint fmt ./internal/... ./cmd/... && golangci-lint run ./internal/... ./cmd/..."
         language: system
         files: ^backend/.*\.go$
-        pass_filenames: false
+        pass_filenames: false
+
+      - id: backend-go-mod-tidy
+        name: Backend Go Mod Tidy
+        entry: bash -c "cd backend && go mod tidy"
+        language: system
+        files: ^backend/.*\.go$
+        pass_filenames: false

CITATION.cff

@@ -32,5 +32,5 @@ keywords:
   - mongodb
   - mariadb
 license: Apache-2.0
-version: 2.16.0
-date-released: "2025-12-25"
+version: 2.21.0
+date-released: "2026-01-05"

Dockerfile

@@ -22,7 +22,7 @@ RUN npm run build
 
 # ========= BUILD BACKEND =========
 # Backend build stage
-FROM --platform=$BUILDPLATFORM golang:1.24.4 AS backend-build
+FROM --platform=$BUILDPLATFORM golang:1.24.9 AS backend-build
 
 # Make TARGET args available early so tools built here match the final image arch
 ARG TARGETOS
@@ -123,6 +123,15 @@ RUN wget -qO- https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
   apt-get install -y --no-install-recommends postgresql-17 && \
   rm -rf /var/lib/apt/lists/*
 
+# Install Valkey server from debian repository
+# Valkey is only accessible internally (localhost) - not exposed outside container
+RUN wget -O /usr/share/keyrings/greensec.github.io-valkey-debian.key https://greensec.github.io/valkey-debian/public.key && \
+  echo "deb [signed-by=/usr/share/keyrings/greensec.github.io-valkey-debian.key] https://greensec.github.io/valkey-debian/repo $(lsb_release -cs) main" \
+  > /etc/apt/sources.list.d/valkey-debian.list && \
+  apt-get update && \
+  apt-get install -y --no-install-recommends valkey && \
+  rm -rf /var/lib/apt/lists/*
+
 # ========= Install rclone =========
 RUN apt-get update && \
   apt-get install -y --no-install-recommends rclone && \
@@ -172,19 +181,23 @@ RUN if [ "$TARGETARCH" = "amd64" ]; then \
 
 # ========= Install MongoDB Database Tools =========
 # Note: MongoDB Database Tools are backward compatible - single version supports all server versions (4.0-8.0)
-# Use dpkg with apt-get -f install to handle dependencies
+# Note: For ARM64, we use Ubuntu 22.04 package as MongoDB doesn't provide Debian 12 ARM64 packages
 RUN apt-get update && \
   if [ "$TARGETARCH" = "amd64" ]; then \
   wget -q https://fastdl.mongodb.org/tools/db/mongodb-database-tools-debian12-x86_64-100.10.0.deb -O /tmp/mongodb-database-tools.deb; \
   elif [ "$TARGETARCH" = "arm64" ]; then \
-  wget -q https://fastdl.mongodb.org/tools/db/mongodb-database-tools-debian12-aarch64-100.10.0.deb -O /tmp/mongodb-database-tools.deb; \
+  wget -q https://fastdl.mongodb.org/tools/db/mongodb-database-tools-ubuntu2204-arm64-100.10.0.deb -O /tmp/mongodb-database-tools.deb; \
   fi && \
-  dpkg -i /tmp/mongodb-database-tools.deb || true && \
-  apt-get install -f -y --no-install-recommends && \
-  rm /tmp/mongodb-database-tools.deb && \
+  dpkg -i /tmp/mongodb-database-tools.deb || apt-get install -f -y --no-install-recommends && \
+  rm -f /tmp/mongodb-database-tools.deb && \
   rm -rf /var/lib/apt/lists/* && \
-  ln -sf /usr/bin/mongodump /usr/local/mongodb-database-tools/bin/mongodump && \
-  ln -sf /usr/bin/mongorestore /usr/local/mongodb-database-tools/bin/mongorestore
+  mkdir -p /usr/local/mongodb-database-tools/bin && \
+  if [ -f /usr/bin/mongodump ]; then \
+  ln -sf /usr/bin/mongodump /usr/local/mongodb-database-tools/bin/mongodump; \
+  fi && \
+  if [ -f /usr/bin/mongorestore ]; then \
+  ln -sf /usr/bin/mongorestore /usr/local/mongodb-database-tools/bin/mongorestore; \
+  fi
 
 # Create postgres user and set up directories
 RUN useradd -m -s /bin/bash postgres || true && \
@@ -218,13 +231,57 @@ COPY <<EOF /app/start.sh
 #!/bin/bash
 set -e
 
+# Check for legacy postgresus-data volume mount
+if [ -d "/postgresus-data" ] && [ "\$(ls -A /postgresus-data 2>/dev/null)" ]; then
+    echo ""
+    echo "=========================================="
+    echo "ERROR: Legacy volume detected!"
+    echo "=========================================="
+    echo ""
+    echo "You are using the \`postgresus-data\` folder. It seems you changed the image name from Postgresus to Databasus without changing the volume."
+    echo ""
+    echo "Please either:"
+    echo "  1. Switch back to image rostislavdugin/postgresus:latest (supported until ~Dec 2026)"
+    echo "  2. Read the migration guide: https://databasus.com/installation/#postgresus-migration"
+    echo ""
+    echo "=========================================="
+    exit 1
+fi
+
 # PostgreSQL 17 binary paths
 PG_BIN="/usr/lib/postgresql/17/bin"
 
 # Ensure proper ownership of data directory
 echo "Setting up data directory permissions..."
 mkdir -p /databasus-data/pgdata
+mkdir -p /databasus-data/temp
+mkdir -p /databasus-data/backups
 chown -R postgres:postgres /databasus-data
+chmod 700 /databasus-data/temp
+
+# ========= Start Valkey (internal cache) =========
+echo "Configuring Valkey cache..."
+cat > /tmp/valkey.conf << 'VALKEY_CONFIG'
+port 6379
+bind 127.0.0.1
+protected-mode yes
+save ""
+maxmemory 256mb
+maxmemory-policy allkeys-lru
+VALKEY_CONFIG
+
+echo "Starting Valkey..."
+valkey-server /tmp/valkey.conf &
+VALKEY_PID=\$!
+
+echo "Waiting for Valkey to be ready..."
+for i in {1..30}; do
+    if valkey-cli ping >/dev/null 2>&1; then
+        echo "Valkey is ready!"
+        break
+    fi
+    sleep 1
+done
 
 # Initialize PostgreSQL if not already initialized
 if [ ! -s "/databasus-data/pgdata/PG_VERSION" ]; then
@@ -240,24 +297,68 @@ if [ ! -s "/databasus-data/pgdata/PG_VERSION" ]; then
     echo "max_connections = 100" >> /databasus-data/pgdata/postgresql.conf
 fi
 
-# Start PostgreSQL in background
-echo "Starting PostgreSQL..."
-gosu postgres \$PG_BIN/postgres -D /databasus-data/pgdata -p 5437 &
-POSTGRES_PID=\$!
+# Function to start PostgreSQL and wait for it to be ready
+start_postgres() {
+    echo "Starting PostgreSQL..."
+    gosu postgres \$PG_BIN/postgres -D /databasus-data/pgdata -p 5437 &
+    POSTGRES_PID=\$!
+    
+    echo "Waiting for PostgreSQL to be ready..."
+    for i in {1..30}; do
+        if gosu postgres \$PG_BIN/pg_isready -p 5437 -h localhost >/dev/null 2>&1; then
+            echo "PostgreSQL is ready!"
+            return 0
+        fi
+        sleep 1
+    done
+    return 1
+}
 
-# Wait for PostgreSQL to be ready
-echo "Waiting for PostgreSQL to be ready..."
-for i in {1..30}; do
-    if gosu postgres \$PG_BIN/pg_isready -p 5437 -h localhost >/dev/null 2>&1; then
-        echo "PostgreSQL is ready!"
-        break
-    fi
-    if [ \$i -eq 30 ]; then
-        echo "PostgreSQL failed to start"
+# Try to start PostgreSQL
+if ! start_postgres; then
+    echo ""
+    echo "=========================================="
+    echo "PostgreSQL failed to start. Attempting WAL reset recovery..."
+    echo "=========================================="
+    echo ""
+    
+    # Kill any remaining postgres processes
+    pkill -9 postgres 2>/dev/null || true
+    sleep 2
+    
+    # Attempt pg_resetwal to recover from WAL corruption
+    echo "Running pg_resetwal to reset WAL..."
+    if gosu postgres \$PG_BIN/pg_resetwal -f /databasus-data/pgdata; then
+        echo "WAL reset successful. Restarting PostgreSQL..."
+        
+        # Try starting PostgreSQL again after WAL reset
+        if start_postgres; then
+            echo "PostgreSQL recovered successfully after WAL reset!"
+        else
+            echo ""
+            echo "=========================================="
+            echo "ERROR: PostgreSQL failed to start even after WAL reset."
+            echo "The database may be severely corrupted."
+            echo ""
+            echo "Options:"
+            echo "  1. Delete the volume and start fresh (data loss)"
+            echo "  2. Manually inspect /databasus-data/pgdata for issues"
+            echo "=========================================="
+            exit 1
+        fi
+    else
+        echo ""
+        echo "=========================================="
+        echo "ERROR: pg_resetwal failed."
+        echo "The database may be severely corrupted."
+        echo ""
+        echo "Options:"
+        echo "  1. Delete the volume and start fresh (data loss)"
+        echo "  2. Manually inspect /databasus-data/pgdata for issues"
+        echo "=========================================="
         exit 1
     fi
-    sleep 1
-done
+fi
 
 # Create database and set password for postgres user
 echo "Setting up database and user..."

README.md

@@ -2,7 +2,7 @@
   <img src="assets/logo.svg" alt="Databasus Logo" width="250"/>
 
   <h3>Backup tool for PostgreSQL, MySQL and MongoDB</h3>
-  <p>Databasus is a free, open source and self-hosted tool to backup databases. Make backups with different storages (S3, Google Drive, FTP, etc.) and notifications about progress (Slack, Discord, Telegram, etc.). Previously known as Postgresus (see migration guide).</p>
+  <p>Databasus is a free, open source and self-hosted tool to backup databases (with focus on PostgreSQL). Make backups with different storages (S3, Google Drive, FTP, etc.) and notifications about progress (Slack, Discord, Telegram, etc.). Previously known as Postgresus (see migration guide).</p>
   
   <!-- Badges -->
    [![PostgreSQL](https://img.shields.io/badge/PostgreSQL-336791?logo=postgresql&logoColor=white)](https://www.postgresql.org/)
@@ -114,7 +114,7 @@ You have four ways to install Databasus:
 
 ## 📦 Installation
 
-You have three ways to install Databasus: automated script (recommended), simple Docker run, or Docker Compose setup.
+You have four ways to install Databasus: automated script (recommended), simple Docker run, or Docker Compose setup.
 
 ### Option 1: Automated installation script (recommended, Linux only)
 
@@ -245,6 +245,8 @@ This project is licensed under the Apache 2.0 License - see the [LICENSE](LICENS
 
 Contributions are welcome! Read the <a href="https://databasus.com/contribute">contributing guide</a> for more details, priorities and rules. If you want to contribute but don't know where to start, message me on Telegram [@rostislav_dugin](https://t.me/rostislav_dugin)
 
+Also you can join our large community of developers, DBAs and DevOps engineers on Telegram [@databasus_community](https://t.me/databasus_community).
+
 --
 
 ## 📖 Migration guide
@@ -271,10 +273,44 @@ Then manually move databases from Postgresus to Databasus.
 
 ### Why was Postgresus renamed to Databasus?
 
+Databasus has been developed since 2023. It was internal tool to backup production and home projects databases. In start of 2025 it was released as open source project on GitHub. By the end of 2025 it became popular and the time for renaming has come in December 2025.
+
 It was an important step for the project to grow. Actually, there are a couple of reasons:
 
-1. Postgresus is no longer a little tool that just adds UI for pg_dump for little projects. It became a tool both for individual users, DevOps, DBAs,teams, companies and even large enterprises. Tens of thousands of users use Postgresus every day. Postgresus grew into a reliable backup management tool. Initial positioning is no longer suitable: the project is not just a UI wrapper, it's a solid backup management system now (despite it's still easy to use).
+1. Postgresus is no longer a little tool that just adds UI for pg_dump for little projects. It became a tool both for individual users, DevOps, DBAs, teams, companies and even large enterprises. Tens of thousands of users use Postgresus every day. Postgresus grew into a reliable backup management tool. Initial positioning is no longer suitable: the project is not just a UI wrapper, it's a solid backup management system now (despite it's still easy to use).
 
 2. New databases are supported: although the primary focus is PostgreSQL (with 100% support in the most efficient way) and always will be, Databasus added support for MySQL, MariaDB and MongoDB. Later more databases will be supported.
 
 3. Trademark issue: "postgres" is a trademark of PostgreSQL Inc. and cannot be used in the project name. So for safety and legal reasons, we had to rename the project.
+
+## AI disclaimer
+
+There have been questions about AI usage in project development in issues and discussions. As the project focuses on security, reliability and production usage, it's important to explain how AI is used in the development process.
+
+AI is used as a helper for:
+
+- verification of code quality and searching for vulnerabilities
+- cleaning up and improving documentation, comments and code
+- assistance during development
+- double-checking PRs and commits after human review
+
+AI is not used for:
+
+- writing entire code
+- "vibe code" approach
+- code without line-by-line verification by a human
+- code without tests
+
+The project has:
+
+- solid test coverage (both unit and integration tests)
+- CI/CD pipeline automation with tests and linting to ensure code quality
+- verification by experienced developers with experience in large and secure projects
+
+So AI is just an assistant and a tool for developers to increase productivity and ensure code quality. The work is done by developers.
+
+Moreover, it's important to note that we do not differentiate between bad human code and AI vibe code. There are strict requirements for any code to be merged to keep the codebase maintainable.
+
+Even if code is written manually by a human, it's not guaranteed to be merged. Vibe code is not allowed at all and all such PRs are rejected by default (see [contributing guide](https://databasus.com/contribute)).
+
+We also draw attention to fast issue resolution and security [vulnerability reporting](https://github.com/databasus/databasus?tab=security-ov-file#readme).

assets/logo-square.svg

@@ -0,0 +1,12 @@
+<svg width="128" height="128" viewBox="0 0 128 128" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_287_1020)">
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+</clipPath>
+</defs>
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assets/tools/README.md

@@ -0,0 +1,17 @@
+We keep binaries here to speed up CI \ CD tasks and building.
+
+Docker image needs:
+- PostgreSQL client tools (versions 12-18)
+- MySQL client tools (versions 5.7, 8.0, 8.4, 9)
+- MariaDB client tools (versions 10.6, 12.1)
+- MongoDB Database Tools (latest)
+
+For the most of tools, we need a couple of binaries for each version. However, if we download them on each run, it will download a couple of GBs each time.
+
+So, for speed up we keep only required executables (like pg_dump, mysqldump, mariadb-dump, mongodump, etc.).
+
+It takes:
+- ~ 100MB for ARM
+- ~ 100MB for x64
+
+Instead of GBs. See Dockefile for usage details.

backend/.cursor/rules/codestyle-rule.mdc

@@ -1,152 +0,0 @@
----
-description:
-globs:
-alwaysApply: true
----
-
-Always place private methods to the bottom of file
-
-**This rule applies to ALL Go files including tests, services, controllers, repositories, etc.**
-
-In Go, exported (public) functions/methods start with uppercase letters, while unexported (private) ones start with lowercase letters.
-
-## Structure Order:
-
-1. Type definitions and constants
-2. Public methods/functions (uppercase)
-3. Private methods/functions (lowercase)
-
-## Examples:
-
-### Service with methods:
-
-```go
-type UserService struct {
-    repository *UserRepository
-}
-
-// Public methods first
-func (s *UserService) CreateUser(user *User) error {
-    if err := s.validateUser(user); err != nil {
-        return err
-    }
-    return s.repository.Save(user)
-}
-
-func (s *UserService) GetUser(id uuid.UUID) (*User, error) {
-    return s.repository.FindByID(id)
-}
-
-// Private methods at the bottom
-func (s *UserService) validateUser(user *User) error {
-    if user.Name == "" {
-        return errors.New("name is required")
-    }
-    return nil
-}
-```
-
-### Package-level functions:
-
-```go
-package utils
-
-// Public functions first
-func ProcessData(data []byte) (Result, error) {
-    cleaned := sanitizeInput(data)
-    return parseData(cleaned)
-}
-
-func ValidateInput(input string) bool {
-    return isValidFormat(input) && checkLength(input)
-}
-
-// Private functions at the bottom
-func sanitizeInput(data []byte) []byte {
-    // implementation
-}
-
-func parseData(data []byte) (Result, error) {
-    // implementation
-}
-
-func isValidFormat(input string) bool {
-    // implementation
-}
-
-func checkLength(input string) bool {
-    // implementation
-}
-```
-
-### Test files:
-
-```go
-package user_test
-
-// Public test functions first
-func Test_CreateUser_ValidInput_UserCreated(t *testing.T) {
-    user := createTestUser()
-    result, err := service.CreateUser(user)
-
-    assert.NoError(t, err)
-    assert.NotNil(t, result)
-}
-
-func Test_GetUser_ExistingUser_ReturnsUser(t *testing.T) {
-    user := createTestUser()
-    // test implementation
-}
-
-// Private helper functions at the bottom
-func createTestUser() *User {
-    return &User{
-        Name:  "Test User",
-        Email: "test@example.com",
-    }
-}
-
-func setupTestDatabase() *Database {
-    // setup implementation
-}
-```
-
-### Controller example:
-
-```go
-type ProjectController struct {
-    service *ProjectService
-}
-
-// Public HTTP handlers first
-func (c *ProjectController) CreateProject(ctx *gin.Context) {
-    var request CreateProjectRequest
-    if err := ctx.ShouldBindJSON(&request); err != nil {
-        c.handleError(ctx, err)
-        return
-    }
-    // handler logic
-}
-
-func (c *ProjectController) GetProject(ctx *gin.Context) {
-    projectID := c.extractProjectID(ctx)
-    // handler logic
-}
-
-// Private helper methods at the bottom
-func (c *ProjectController) handleError(ctx *gin.Context, err error) {
-    ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
-}
-
-func (c *ProjectController) extractProjectID(ctx *gin.Context) uuid.UUID {
-    return uuid.MustParse(ctx.Param("projectId"))
-}
-```
-
-## Key Points:
-
-- **Exported/Public** = starts with uppercase letter (CreateUser, GetProject)
-- **Unexported/Private** = starts with lowercase letter (validateUser, handleError)
-- This improves code readability by showing the public API first
-- Private helpers are implementation details, so they go at the bottom
-- Apply this rule consistently across ALL Go files in the project

backend/.cursor/rules/comments.mdc

@@ -1,45 +0,0 @@
----
-description:
-globs:
-alwaysApply: true
----
-
-## Comment Guidelines
-
-1. **No obvious comments** - Don't state what the code already clearly shows
-2. **Functions and variables should have meaningful names** - Code should be self-documenting
-3. **Comments for unclear code only** - Only add comments when code logic isn't immediately clear
-
-## Key Principles:
-
-- **Code should tell a story** - Use descriptive variable and function names
-- **Comments explain WHY, not WHAT** - The code shows what happens, comments explain business logic or complex decisions
-- **Prefer refactoring over commenting** - If code needs explaining, consider making it clearer instead
-- **API documentation is required** - Swagger comments for all HTTP endpoints are mandatory
-- **Complex algorithms deserve comments** - Mathematical formulas, business rules, or non-obvious optimizations
-
-Example of useless comment:
-
-1.
-
-```sql
-// Create projects table
-CREATE TABLE projects (
-    id                    UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    name                  TEXT NOT NULL,
-    created_at            TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-```
-
-2.
-
-```go
-// Create test project
-project := CreateTestProject(projectName, user, router)
-```
-
-3.
-
-```go
-// CreateValidLogItems creates valid log items for testing
-func CreateValidLogItems(count int, uniqueID string) []logs_receiving.LogItemRequestDTO {
-```

backend/.cursor/rules/controllers-rule.mdc

@@ -1,133 +0,0 @@
----
-description:
-globs:
-alwaysApply: true
----
-
-1. When we write controller:
-
-- we combine all routes to single controller
-- names them as .WhatWeDo (not "handlers") concept
-
-2. We use gin and \*gin.Context for all routes.
-   Example:
-
-func (c *TasksController) GetAvailableTasks(ctx *gin.Context) ...
-
-3. We document all routes with Swagger in the following format:
-
-package audit_logs
-
-import (
-"net/http"
-
-    user_models "databasus-backend/internal/features/users/models"
-
-    "github.com/gin-gonic/gin"
-    "github.com/google/uuid"
-
-)
-
-type AuditLogController struct {
-auditLogService \*AuditLogService
-}
-
-func (c *AuditLogController) RegisterRoutes(router *gin.RouterGroup) {
-// All audit log endpoints require authentication (handled in main.go)
-auditRoutes := router.Group("/audit-logs")
-
-    auditRoutes.GET("/global", c.GetGlobalAuditLogs)
-    auditRoutes.GET("/users/:userId", c.GetUserAuditLogs)
-
-}
-
-// GetGlobalAuditLogs
-// @Summary Get global audit logs (ADMIN only)
-// @Description Retrieve all audit logs across the system
-// @Tags audit-logs
-// @Accept json
-// @Produce json
-// @Security BearerAuth
-// @Param limit query int false "Limit number of results" default(100)
-// @Param offset query int false "Offset for pagination" default(0)
-// @Param beforeDate query string false "Filter logs created before this date (RFC3339 format)" format(date-time)
-// @Success 200 {object} GetAuditLogsResponse
-// @Failure 401 {object} map[string]string
-// @Failure 403 {object} map[string]string
-// @Router /audit-logs/global [get]
-func (c *AuditLogController) GetGlobalAuditLogs(ctx *gin.Context) {
-user, isOk := ctx.MustGet("user").(\*user_models.User)
-if !isOk {
-ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user type in context"})
-return
-}
-
-    request := &GetAuditLogsRequest{}
-    if err := ctx.ShouldBindQuery(request); err != nil {
-    	ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid query parameters"})
-    	return
-    }
-
-    response, err := c.auditLogService.GetGlobalAuditLogs(user, request)
-    if err != nil {
-    	if err.Error() == "only administrators can view global audit logs" {
-    		ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
-    		return
-    	}
-    	ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve audit logs"})
-    	return
-    }
-
-    ctx.JSON(http.StatusOK, response)
-
-}
-
-// GetUserAuditLogs
-// @Summary Get user audit logs
-// @Description Retrieve audit logs for a specific user
-// @Tags audit-logs
-// @Accept json
-// @Produce json
-// @Security BearerAuth
-// @Param userId path string true "User ID"
-// @Param limit query int false "Limit number of results" default(100)
-// @Param offset query int false "Offset for pagination" default(0)
-// @Param beforeDate query string false "Filter logs created before this date (RFC3339 format)" format(date-time)
-// @Success 200 {object} GetAuditLogsResponse
-// @Failure 400 {object} map[string]string
-// @Failure 401 {object} map[string]string
-// @Failure 403 {object} map[string]string
-// @Router /audit-logs/users/{userId} [get]
-func (c *AuditLogController) GetUserAuditLogs(ctx *gin.Context) {
-user, isOk := ctx.MustGet("user").(\*user_models.User)
-if !isOk {
-ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user type in context"})
-return
-}
-
-    userIDStr := ctx.Param("userId")
-    targetUserID, err := uuid.Parse(userIDStr)
-    if err != nil {
-    	ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid user ID"})
-    	return
-    }
-
-    request := &GetAuditLogsRequest{}
-    if err := ctx.ShouldBindQuery(request); err != nil {
-    	ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid query parameters"})
-    	return
-    }
-
-    response, err := c.auditLogService.GetUserAuditLogs(targetUserID, user, request)
-    if err != nil {
-    	if err.Error() == "insufficient permissions to view user audit logs" {
-    		ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
-    		return
-    	}
-    	ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve audit logs"})
-    	return
-    }
-
-    ctx.JSON(http.StatusOK, response)
-
-}

backend/.cursor/rules/crud.mdc

@@ -1,671 +0,0 @@
----
-alwaysApply: false
----
-
-This is example of CRUD:
-
------- backend/internal/features/audit_logs/controller.go ------
-
-```
-package audit_logs
-
-import (
-	"net/http"
-
-	user_models "databasus-backend/internal/features/users/models"
-
-	"github.com/gin-gonic/gin"
-	"github.com/google/uuid"
-)
-
-type AuditLogController struct {
-	auditLogService *AuditLogService
-}
-
-func (c *AuditLogController) RegisterRoutes(router *gin.RouterGroup) {
-	// All audit log endpoints require authentication (handled in main.go)
-	auditRoutes := router.Group("/audit-logs")
-
-	auditRoutes.GET("/global", c.GetGlobalAuditLogs)
-	auditRoutes.GET("/users/:userId", c.GetUserAuditLogs)
-}
-
-// GetGlobalAuditLogs
-// @Summary Get global audit logs (ADMIN only)
-// @Description Retrieve all audit logs across the system
-// @Tags audit-logs
-// @Accept json
-// @Produce json
-// @Security BearerAuth
-// @Param limit query int false "Limit number of results" default(100)
-// @Param offset query int false "Offset for pagination" default(0)
-// @Param beforeDate query string false "Filter logs created before this date (RFC3339 format)" format(date-time)
-// @Success 200 {object} GetAuditLogsResponse
-// @Failure 401 {object} map[string]string
-// @Failure 403 {object} map[string]string
-// @Router /audit-logs/global [get]
-func (c *AuditLogController) GetGlobalAuditLogs(ctx *gin.Context) {
-	user, isOk := ctx.MustGet("user").(*user_models.User)
-	if !isOk {
-		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user type in context"})
-		return
-	}
-
-	request := &GetAuditLogsRequest{}
-	if err := ctx.ShouldBindQuery(request); err != nil {
-		ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid query parameters"})
-		return
-	}
-
-	response, err := c.auditLogService.GetGlobalAuditLogs(user, request)
-	if err != nil {
-		if err.Error() == "only administrators can view global audit logs" {
-			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
-			return
-		}
-		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve audit logs"})
-		return
-	}
-
-	ctx.JSON(http.StatusOK, response)
-}
-
-// GetUserAuditLogs
-// @Summary Get user audit logs
-// @Description Retrieve audit logs for a specific user
-// @Tags audit-logs
-// @Accept json
-// @Produce json
-// @Security BearerAuth
-// @Param userId path string true "User ID"
-// @Param limit query int false "Limit number of results" default(100)
-// @Param offset query int false "Offset for pagination" default(0)
-// @Param beforeDate query string false "Filter logs created before this date (RFC3339 format)" format(date-time)
-// @Success 200 {object} GetAuditLogsResponse
-// @Failure 400 {object} map[string]string
-// @Failure 401 {object} map[string]string
-// @Failure 403 {object} map[string]string
-// @Router /audit-logs/users/{userId} [get]
-func (c *AuditLogController) GetUserAuditLogs(ctx *gin.Context) {
-	user, isOk := ctx.MustGet("user").(*user_models.User)
-	if !isOk {
-		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user type in context"})
-		return
-	}
-
-	userIDStr := ctx.Param("userId")
-	targetUserID, err := uuid.Parse(userIDStr)
-	if err != nil {
-		ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid user ID"})
-		return
-	}
-
-	request := &GetAuditLogsRequest{}
-	if err := ctx.ShouldBindQuery(request); err != nil {
-		ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid query parameters"})
-		return
-	}
-
-	response, err := c.auditLogService.GetUserAuditLogs(targetUserID, user, request)
-	if err != nil {
-		if err.Error() == "insufficient permissions to view user audit logs" {
-			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
-			return
-		}
-		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve audit logs"})
-		return
-	}
-
-	ctx.JSON(http.StatusOK, response)
-}
-
-```
-
------- backend/internal/features/audit_logs/controller_test.go ------
-
-```
-package audit_logs
-
-import (
-	"fmt"
-	"net/http"
-	"testing"
-	"time"
-
-	user_enums "databasus-backend/internal/features/users/enums"
-	users_middleware "databasus-backend/internal/features/users/middleware"
-	users_services "databasus-backend/internal/features/users/services"
-	users_testing "databasus-backend/internal/features/users/testing"
-	"databasus-backend/internal/storage"
-	test_utils "databasus-backend/internal/util/testing"
-
-	"github.com/gin-gonic/gin"
-	"github.com/google/uuid"
-	"github.com/stretchr/testify/assert"
-)
-
-func Test_GetGlobalAuditLogs_AdminSucceedsAndMemberGetsForbidden(t *testing.T) {
-	adminUser := users_testing.CreateTestUser(user_enums.UserRoleAdmin)
-	memberUser := users_testing.CreateTestUser(user_enums.UserRoleMember)
-	router := createRouter()
-	service := GetAuditLogService()
-	projectID := uuid.New()
-
-	// Create test logs
-	createAuditLog(service, "Test log with user", &adminUser.UserID, nil)
-	createAuditLog(service, "Test log with project", nil, &projectID)
-	createAuditLog(service, "Test log standalone", nil, nil)
-
-	// Test ADMIN can access global logs
-	var response GetAuditLogsResponse
-	test_utils.MakeGetRequestAndUnmarshal(t, router,
-		"/api/v1/audit-logs/global?limit=10", "Bearer "+adminUser.Token, http.StatusOK, &response)
-
-	assert.GreaterOrEqual(t, len(response.AuditLogs), 3)
-	assert.GreaterOrEqual(t, response.Total, int64(3))
-
-	messages := extractMessages(response.AuditLogs)
-	assert.Contains(t, messages, "Test log with user")
-	assert.Contains(t, messages, "Test log with project")
-	assert.Contains(t, messages, "Test log standalone")
-
-	// Test MEMBER cannot access global logs
-	resp := test_utils.MakeGetRequest(t, router, "/api/v1/audit-logs/global",
-		"Bearer "+memberUser.Token, http.StatusForbidden)
-	assert.Contains(t, string(resp.Body), "only administrators can view global audit logs")
-}
-
-func Test_GetUserAuditLogs_PermissionsEnforcedCorrectly(t *testing.T) {
-	adminUser := users_testing.CreateTestUser(user_enums.UserRoleAdmin)
-	user1 := users_testing.CreateTestUser(user_enums.UserRoleMember)
-	user2 := users_testing.CreateTestUser(user_enums.UserRoleMember)
-	router := createRouter()
-	service := GetAuditLogService()
-	projectID := uuid.New()
-
-	// Create test logs for different users
-	createAuditLog(service, "Test log user1 first", &user1.UserID, nil)
-	createAuditLog(service, "Test log user1 second", &user1.UserID, &projectID)
-	createAuditLog(service, "Test log user2 first", &user2.UserID, nil)
-	createAuditLog(service, "Test log user2 second", &user2.UserID, &projectID)
-	createAuditLog(service, "Test project log", nil, &projectID)
-
-	// Test ADMIN can view any user's logs
-	var user1Response GetAuditLogsResponse
-	test_utils.MakeGetRequestAndUnmarshal(t, router,
-		fmt.Sprintf("/api/v1/audit-logs/users/%s?limit=10", user1.UserID.String()),
-		"Bearer "+adminUser.Token, http.StatusOK, &user1Response)
-
-	assert.Equal(t, 2, len(user1Response.AuditLogs))
-	messages := extractMessages(user1Response.AuditLogs)
-	assert.Contains(t, messages, "Test log user1 first")
-	assert.Contains(t, messages, "Test log user1 second")
-
-	// Test user can view own logs
-	var ownLogsResponse GetAuditLogsResponse
-	test_utils.MakeGetRequestAndUnmarshal(t, router,
-		fmt.Sprintf("/api/v1/audit-logs/users/%s", user2.UserID.String()),
-		"Bearer "+user2.Token, http.StatusOK, &ownLogsResponse)
-	assert.Equal(t, 2, len(ownLogsResponse.AuditLogs))
-
-	// Test user cannot view other user's logs
-	resp := test_utils.MakeGetRequest(t, router,
-		fmt.Sprintf("/api/v1/audit-logs/users/%s", user1.UserID.String()),
-		"Bearer "+user2.Token, http.StatusForbidden)
-
-	assert.Contains(t, string(resp.Body), "insufficient permissions")
-}
-
-func Test_FilterAuditLogsByTime_ReturnsOnlyLogsBeforeDate(t *testing.T) {
-	adminUser := users_testing.CreateTestUser(user_enums.UserRoleAdmin)
-	router := createRouter()
-	service := GetAuditLogService()
-	db := storage.GetDb()
-	baseTime := time.Now().UTC()
-
-	// Create logs with different timestamps
-	createTimedLog(db, &adminUser.UserID, "Test old log", baseTime.Add(-2*time.Hour))
-	createTimedLog(db, &adminUser.UserID, "Test recent log", baseTime.Add(-30*time.Minute))
-	createAuditLog(service, "Test current log", &adminUser.UserID, nil)
-
-	// Test filtering - get logs before 1 hour ago
-	beforeTime := baseTime.Add(-1 * time.Hour)
-	var filteredResponse GetAuditLogsResponse
-	test_utils.MakeGetRequestAndUnmarshal(t, router,
-		fmt.Sprintf("/api/v1/audit-logs/global?beforeDate=%s", beforeTime.Format(time.RFC3339)),
-		"Bearer "+adminUser.Token, http.StatusOK, &filteredResponse)
-
-	// Verify only old log is returned
-	messages := extractMessages(filteredResponse.AuditLogs)
-	assert.Contains(t, messages, "Test old log")
-	assert.NotContains(t, messages, "Test recent log")
-	assert.NotContains(t, messages, "Test current log")
-
-	// Test without filter - should get all logs
-	var allResponse GetAuditLogsResponse
-	test_utils.MakeGetRequestAndUnmarshal(t, router, "/api/v1/audit-logs/global",
-		"Bearer "+adminUser.Token, http.StatusOK, &allResponse)
-	assert.GreaterOrEqual(t, len(allResponse.AuditLogs), 3)
-}
-
-func createRouter() *gin.Engine {
-	gin.SetMode(gin.TestMode)
-	router := gin.New()
-	SetupDependencies()
-
-	v1 := router.Group("/api/v1")
-	protected := v1.Group("").Use(users_middleware.AuthMiddleware(users_services.GetUserService()))
-	GetAuditLogController().RegisterRoutes(protected.(*gin.RouterGroup))
-
-	return router
-}
-
-```
-
------- backend/internal/features/audit_logs/di.go ------
-
-```
-package audit_logs
-
-import (
-	users_services "databasus-backend/internal/features/users/services"
-	"databasus-backend/internal/util/logger"
-)
-
-var auditLogRepository = &AuditLogRepository{}
-var auditLogService = &AuditLogService{
-	auditLogRepository: auditLogRepository,
-	logger:             logger.GetLogger(),
-}
-var auditLogController = &AuditLogController{
-	auditLogService: auditLogService,
-}
-
-func GetAuditLogService() *AuditLogService {
-	return auditLogService
-}
-
-func GetAuditLogController() *AuditLogController {
-	return auditLogController
-}
-
-func SetupDependencies() {
-	users_services.GetUserService().SetAuditLogWriter(auditLogService)
-	users_services.GetSettingsService().SetAuditLogWriter(auditLogService)
-	users_services.GetManagementService().SetAuditLogWriter(auditLogService)
-}
-
-```
-
------- backend/internal/features/audit_logs/dto.go ------
-
-```
-package audit_logs
-
-import "time"
-
-type GetAuditLogsRequest struct {
-	Limit      int        `form:"limit"      json:"limit"`
-	Offset     int        `form:"offset"     json:"offset"`
-	BeforeDate *time.Time `form:"beforeDate" json:"beforeDate"`
-}
-
-type GetAuditLogsResponse struct {
-	AuditLogs []*AuditLog `json:"auditLogs"`
-	Total     int64       `json:"total"`
-	Limit     int         `json:"limit"`
-	Offset    int         `json:"offset"`
-}
-
-```
-
------- backend/internal/features/audit_logs/models.go ------
-
-```
-package audit_logs
-
-import (
-	"time"
-
-	"github.com/google/uuid"
-)
-
-type AuditLog struct {
-	ID        uuid.UUID  `json:"id"        gorm:"column:id"`
-	UserID    *uuid.UUID `json:"userId"    gorm:"column:user_id"`
-	ProjectID *uuid.UUID `json:"projectId" gorm:"column:project_id"`
-	Message   string     `json:"message"   gorm:"column:message"`
-	CreatedAt time.Time  `json:"createdAt" gorm:"column:created_at"`
-}
-
-func (AuditLog) TableName() string {
-	return "audit_logs"
-}
-
-```
-
------- backend/internal/features/audit_logs/repository.go ------
-
-```
-package audit_logs
-
-import (
-	"databasus-backend/internal/storage"
-	"time"
-
-	"github.com/google/uuid"
-)
-
-type AuditLogRepository struct{}
-
-func (r *AuditLogRepository) Create(auditLog *AuditLog) error {
-	if auditLog.ID == uuid.Nil {
-		auditLog.ID = uuid.New()
-	}
-
-	return storage.GetDb().Create(auditLog).Error
-}
-
-func (r *AuditLogRepository) GetGlobal(limit, offset int, beforeDate *time.Time) ([]*AuditLog, error) {
-	var auditLogs []*AuditLog
-
-	query := storage.GetDb().Order("created_at DESC")
-
-	if beforeDate != nil {
-		query = query.Where("created_at < ?", *beforeDate)
-	}
-
-	err := query.
-		Limit(limit).
-		Offset(offset).
-		Find(&auditLogs).Error
-
-	return auditLogs, err
-}
-
-func (r *AuditLogRepository) GetByUser(
-	userID uuid.UUID,
-	limit, offset int,
-	beforeDate *time.Time,
-) ([]*AuditLog, error) {
-	var auditLogs []*AuditLog
-
-	query := storage.GetDb().
-		Where("user_id = ?", userID).
-		Order("created_at DESC")
-
-	if beforeDate != nil {
-		query = query.Where("created_at < ?", *beforeDate)
-	}
-
-	err := query.
-		Limit(limit).
-		Offset(offset).
-		Find(&auditLogs).Error
-
-	return auditLogs, err
-}
-
-func (r *AuditLogRepository) GetByProject(
-	projectID uuid.UUID,
-	limit, offset int,
-	beforeDate *time.Time,
-) ([]*AuditLog, error) {
-	var auditLogs []*AuditLog
-
-	query := storage.GetDb().
-		Where("project_id = ?", projectID).
-		Order("created_at DESC")
-
-	if beforeDate != nil {
-		query = query.Where("created_at < ?", *beforeDate)
-	}
-
-	err := query.
-		Limit(limit).
-		Offset(offset).
-		Find(&auditLogs).Error
-
-	return auditLogs, err
-}
-
-func (r *AuditLogRepository) CountGlobal(beforeDate *time.Time) (int64, error) {
-	var count int64
-	query := storage.GetDb().Model(&AuditLog{})
-
-	if beforeDate != nil {
-		query = query.Where("created_at < ?", *beforeDate)
-	}
-
-	err := query.Count(&count).Error
-	return count, err
-}
-
-```
-
------- backend/internal/features/audit_logs/service.go ------
-
-```
-package audit_logs
-
-import (
-	"errors"
-	"log/slog"
-	"time"
-
-	user_enums "databasus-backend/internal/features/users/enums"
-	user_models "databasus-backend/internal/features/users/models"
-
-	"github.com/google/uuid"
-)
-
-type AuditLogService struct {
-	auditLogRepository *AuditLogRepository
-	logger             *slog.Logger
-}
-
-func (s *AuditLogService) WriteAuditLog(
-	message string,
-	userID *uuid.UUID,
-	projectID *uuid.UUID,
-) {
-	auditLog := &AuditLog{
-		UserID:    userID,
-		ProjectID: projectID,
-		Message:   message,
-		CreatedAt: time.Now().UTC(),
-	}
-
-	err := s.auditLogRepository.Create(auditLog)
-	if err != nil {
-		s.logger.Error("failed to create audit log", "error", err)
-		return
-	}
-}
-
-func (s *AuditLogService) CreateAuditLog(auditLog *AuditLog) error {
-	return s.auditLogRepository.Create(auditLog)
-}
-
-func (s *AuditLogService) GetGlobalAuditLogs(
-	user *user_models.User,
-	request *GetAuditLogsRequest,
-) (*GetAuditLogsResponse, error) {
-	if user.Role != user_enums.UserRoleAdmin {
-		return nil, errors.New("only administrators can view global audit logs")
-	}
-
-	limit := request.Limit
-	if limit <= 0 || limit > 1000 {
-		limit = 100
-	}
-
-	offset := max(request.Offset, 0)
-
-	auditLogs, err := s.auditLogRepository.GetGlobal(limit, offset, request.BeforeDate)
-	if err != nil {
-		return nil, err
-	}
-
-	total, err := s.auditLogRepository.CountGlobal(request.BeforeDate)
-	if err != nil {
-		return nil, err
-	}
-
-	return &GetAuditLogsResponse{
-		AuditLogs: auditLogs,
-		Total:     total,
-		Limit:     limit,
-		Offset:    offset,
-	}, nil
-}
-
-func (s *AuditLogService) GetUserAuditLogs(
-	targetUserID uuid.UUID,
-	user *user_models.User,
-	request *GetAuditLogsRequest,
-) (*GetAuditLogsResponse, error) {
-	// Users can view their own logs, ADMIN can view any user's logs
-	if user.Role != user_enums.UserRoleAdmin && user.ID != targetUserID {
-		return nil, errors.New("insufficient permissions to view user audit logs")
-	}
-
-	limit := request.Limit
-	if limit <= 0 || limit > 1000 {
-		limit = 100
-	}
-
-	offset := max(request.Offset, 0)
-
-	auditLogs, err := s.auditLogRepository.GetByUser(targetUserID, limit, offset, request.BeforeDate)
-	if err != nil {
-		return nil, err
-	}
-
-	return &GetAuditLogsResponse{
-		AuditLogs: auditLogs,
-		Total:     int64(len(auditLogs)),
-		Limit:     limit,
-		Offset:    offset,
-	}, nil
-}
-
-func (s *AuditLogService) GetProjectAuditLogs(
-	projectID uuid.UUID,
-	request *GetAuditLogsRequest,
-) (*GetAuditLogsResponse, error) {
-	limit := request.Limit
-	if limit <= 0 || limit > 1000 {
-		limit = 100
-	}
-
-	offset := max(request.Offset, 0)
-
-	auditLogs, err := s.auditLogRepository.GetByProject(projectID, limit, offset, request.BeforeDate)
-	if err != nil {
-		return nil, err
-	}
-
-	return &GetAuditLogsResponse{
-		AuditLogs: auditLogs,
-		Total:     int64(len(auditLogs)),
-		Limit:     limit,
-		Offset:    offset,
-	}, nil
-}
-
-```
-
------- backend/internal/features/audit_logs/service_test.go ------
-
-```
-package audit_logs
-
-import (
-	"testing"
-	"time"
-
-	user_enums "databasus-backend/internal/features/users/enums"
-	users_testing "databasus-backend/internal/features/users/testing"
-
-	"github.com/google/uuid"
-	"github.com/stretchr/testify/assert"
-	"gorm.io/gorm"
-)
-
-func Test_AuditLogs_ProjectSpecificLogs(t *testing.T) {
-	service := GetAuditLogService()
-	user1 := users_testing.CreateTestUser(user_enums.UserRoleMember)
-	user2 := users_testing.CreateTestUser(user_enums.UserRoleMember)
-	project1ID, project2ID := uuid.New(), uuid.New()
-
-	// Create test logs for projects
-	createAuditLog(service, "Test project1 log first", &user1.UserID, &project1ID)
-	createAuditLog(service, "Test project1 log second", &user2.UserID, &project1ID)
-	createAuditLog(service, "Test project2 log first", &user1.UserID, &project2ID)
-	createAuditLog(service, "Test project2 log second", &user2.UserID, &project2ID)
-	createAuditLog(service, "Test no project log", &user1.UserID, nil)
-
-	request := &GetAuditLogsRequest{Limit: 10, Offset: 0}
-
-	// Test project 1 logs
-	project1Response, err := service.GetProjectAuditLogs(project1ID, request)
-	assert.NoError(t, err)
-	assert.Equal(t, 2, len(project1Response.AuditLogs))
-
-	messages := extractMessages(project1Response.AuditLogs)
-	assert.Contains(t, messages, "Test project1 log first")
-	assert.Contains(t, messages, "Test project1 log second")
-	for _, log := range project1Response.AuditLogs {
-		assert.Equal(t, &project1ID, log.ProjectID)
-	}
-
-	// Test project 2 logs
-	project2Response, err := service.GetProjectAuditLogs(project2ID, request)
-	assert.NoError(t, err)
-	assert.Equal(t, 2, len(project2Response.AuditLogs))
-
-	messages2 := extractMessages(project2Response.AuditLogs)
-	assert.Contains(t, messages2, "Test project2 log first")
-	assert.Contains(t, messages2, "Test project2 log second")
-
-	// Test pagination
-	limitedResponse, err := service.GetProjectAuditLogs(project1ID,
-		&GetAuditLogsRequest{Limit: 1, Offset: 0})
-	assert.NoError(t, err)
-	assert.Equal(t, 1, len(limitedResponse.AuditLogs))
-	assert.Equal(t, 1, limitedResponse.Limit)
-
-	// Test beforeDate filter
-	beforeTime := time.Now().UTC().Add(-1 * time.Minute)
-	filteredResponse, err := service.GetProjectAuditLogs(project1ID,
-		&GetAuditLogsRequest{Limit: 10, BeforeDate: &beforeTime})
-	assert.NoError(t, err)
-	for _, log := range filteredResponse.AuditLogs {
-		assert.True(t, log.CreatedAt.Before(beforeTime))
-	}
-}
-
-func createAuditLog(service *AuditLogService, message string, userID, projectID *uuid.UUID) {
-	service.WriteAuditLog(message, userID, projectID)
-}
-
-func extractMessages(logs []*AuditLog) []string {
-	messages := make([]string, len(logs))
-	for i, log := range logs {
-		messages[i] = log.Message
-	}
-	return messages
-}
-
-func createTimedLog(db *gorm.DB, userID *uuid.UUID, message string, createdAt time.Time) {
-	log := &AuditLog{
-		ID:        uuid.New(),
-		UserID:    userID,
-		Message:   message,
-		CreatedAt: createdAt,
-	}
-	db.Create(log)
-}
-
-```

backend/.cursor/rules/di-rule.mdc

@@ -1,74 +0,0 @@
----
-description: 
-globs: 
-alwaysApply: true
----
-For DI files use implicit fields declaration styles (espesially
-for controllers, services, repositories, use cases, etc., not simple
-data structures).
-
-So, instead of:
-
-var orderController = &OrderController{
-    orderService:   orderService,
-    botUserService: bot_users.GetBotUserService(),
-    botService:     bots.GetBotService(),
-    userService:    users.GetUserService(),
-}
-
-Use:
-
-var orderController = &OrderController{
-    orderService,
-    bot_users.GetBotUserService(),
-    bots.GetBotService(),
-    users.GetUserService(),
-}
-
-This is needed to avoid forgetting to update DI style
-when we add new dependency.
-
----
-
-Please force such usage if file look like this (see some
-services\controllers\repos definitions and getters):
-
-var orderBackgroundService = &OrderBackgroundService{
-	orderService:           orderService,
-	orderPaymentRepository: orderPaymentRepository,
-	botService:             bots.GetBotService(),
-	paymentSettingsService: payment_settings.GetPaymentSettingsService(),
-
-	orderSubscriptionListeners: []OrderSubscriptionListener{},
-}
-
-var orderController = &OrderController{
-	orderService:   orderService,
-	botUserService: bot_users.GetBotUserService(),
-	botService:     bots.GetBotService(),
-	userService:    users.GetUserService(),
-}
-
-func GetUniquePaymentRepository() *repositories.UniquePaymentRepository {
-	return uniquePaymentRepository
-}
-
-func GetOrderPaymentRepository() *repositories.OrderPaymentRepository {
-	return orderPaymentRepository
-}
-
-func GetOrderService() *OrderService {
-	return orderService
-}
-
-func GetOrderController() *OrderController {
-	return orderController
-}
-
-func GetOrderBackgroundService() *OrderBackgroundService {
-	return orderBackgroundService
-}
-
-func GetOrderRepository() *repositories.OrderRepository {
-	return orderRepository
-}

backend/.cursor/rules/migrations-rule.mdc

@@ -1,27 +0,0 @@
----
-description: 
-globs: 
-alwaysApply: true
----
-When writting migrations:
-
-- write them for PostgreSQL
-- for PRIMARY UUID keys use gen_random_uuid()
-- for time use TIMESTAMPTZ (timestamp with zone)
-- split table, constraint and indexes declaration (table first, them other one by one)
-- format SQL in pretty way (add spaces, align columns types), constraints split by lines. The example:
-
-CREATE TABLE marketplace_info (
-    bot_id            UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    title             TEXT NOT NULL,
-    description       TEXT NOT NULL,
-    short_description TEXT NOT NULL,
-    tutorial_url      TEXT,
-    info_order        BIGINT NOT NULL DEFAULT 0,
-    is_published      BOOLEAN NOT NULL DEFAULT FALSE
-);
-
-ALTER TABLE marketplace_info_images
-    ADD CONSTRAINT fk_marketplace_info_images_bot_id
-    FOREIGN KEY (bot_id)
-    REFERENCES marketplace_info (bot_id);

backend/.cursor/rules/refactor.mdc

@@ -1,12 +0,0 @@
----
-description:
-globs:
-alwaysApply: true
----
-
-When applying changes, do not forget to refactor old code.
-
-You can shortify, make more readable, improve code quality, etc.
-Common logic can be extracted to functions, constants, files, etc.
-
-After each large change with more than ~50-100 lines of code - always run `make lint` (from backend root folder) and, if you change frontend, run `npm run format` (from frontend root folder).

backend/.cursor/rules/tests.mdc

@@ -1,147 +0,0 @@
----
-description:
-globs:
-alwaysApply: true
----
-
-After writing tests, always launch them and verify that they pass.
-
-## Test Naming Format
-
-Use these naming patterns:
-
-- `Test_WhatWeDo_WhatWeExpect`
-- `Test_WhatWeDo_WhichConditions_WhatWeExpect`
-
-## Examples from Real Codebase:
-
-- `Test_CreateApiKey_WhenUserIsProjectOwner_ApiKeyCreated`
-- `Test_UpdateProject_WhenUserIsProjectAdmin_ProjectUpdated`
-- `Test_DeleteApiKey_WhenUserIsProjectMember_ReturnsForbidden`
-- `Test_GetProjectAuditLogs_WithDifferentUserRoles_EnforcesPermissionsCorrectly`
-- `Test_ProjectLifecycleE2E_CompletesSuccessfully`
-
-## Testing Philosophy
-
-**Prefer Controllers Over Unit Tests:**
-
-- Test through HTTP endpoints via controllers whenever possible
-- Avoid testing repositories, services in isolation - test via API instead
-- Only use unit tests for complex model logic when no API exists
-- Name test files `controller_test.go` or `service_test.go`, not `integration_test.go`
-
-**Extract Common Logic to Testing Utilities:**
-
-- Create `testing.go` or `testing/testing.go` files for shared test utilities
-- Extract router creation, user setup, models creation helpers (in API, not just structs creation)
-- Reuse common patterns across different test files
-
-**Refactor Existing Tests:**
-
-- When working with existing tests, always look for opportunities to refactor and improve
-- Extract repetitive setup code to common utilities
-- Simplify complex tests by breaking them into smaller, focused tests
-- Replace inline test data creation with reusable helper functions
-- Consolidate similar test patterns across different test files
-- Make tests more readable and maintainable for other developers
-
-## Testing Utilities Structure
-
-**Create `testing.go` or `testing/testing.go` files with common utilities:**
-
-```go
-package projects_testing
-
-// CreateTestRouter creates unified router for all controllers
-func CreateTestRouter(controllers ...ControllerInterface) *gin.Engine {
-	gin.SetMode(gin.TestMode)
-	router := gin.New()
-	v1 := router.Group("/api/v1")
-	protected := v1.Group("").Use(users_middleware.AuthMiddleware(users_services.GetUserService()))
-
-	for _, controller := range controllers {
-		if routerGroup, ok := protected.(*gin.RouterGroup); ok {
-			controller.RegisterRoutes(routerGroup)
-		}
-	}
-	return router
-}
-
-// CreateTestProjectViaAPI creates project through HTTP API
-func CreateTestProjectViaAPI(name string, owner *users_dto.SignInResponseDTO, router *gin.Engine) (*projects_models.Project, string) {
-	request := projects_dto.CreateProjectRequestDTO{Name: name}
-	w := MakeAPIRequest(router, "POST", "/api/v1/projects", "Bearer "+owner.Token, request)
-	// Handle response...
-	return project, owner.Token
-}
-
-// AddMemberToProject adds member via API call
-func AddMemberToProject(project *projects_models.Project, member *users_dto.SignInResponseDTO, role users_enums.ProjectRole, ownerToken string, router *gin.Engine) {
-	// Implementation...
-}
-```
-
-## Controller Test Examples
-
-**Permission-based testing:**
-
-```go
-func Test_CreateApiKey_WhenUserIsProjectOwner_ApiKeyCreated(t *testing.T) {
-	router := CreateApiKeyTestRouter(GetProjectController(), GetMembershipController())
-	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
-	project, _ := projects_testing.CreateTestProjectViaAPI("Test Project", owner, router)
-
-	request := CreateApiKeyRequestDTO{Name: "Test API Key"}
-	var response ApiKey
-	test_utils.MakePostRequestAndUnmarshal(t, router, "/api/v1/projects/api-keys/"+project.ID.String(), "Bearer "+owner.Token, request, http.StatusOK, &response)
-
-	assert.Equal(t, "Test API Key", response.Name)
-	assert.NotEmpty(t, response.Token)
-}
-```
-
-**Cross-project security testing:**
-
-```go
-func Test_UpdateApiKey_WithApiKeyFromDifferentProject_ReturnsBadRequest(t *testing.T) {
-	router := CreateApiKeyTestRouter(GetProjectController(), GetMembershipController())
-	owner1 := users_testing.CreateTestUser(users_enums.UserRoleMember)
-	owner2 := users_testing.CreateTestUser(users_enums.UserRoleMember)
-	project1, _ := projects_testing.CreateTestProjectViaAPI("Project 1", owner1, router)
-	project2, _ := projects_testing.CreateTestProjectViaAPI("Project 2", owner2, router)
-
-	apiKey := CreateTestApiKey("Cross Project Key", project1.ID, owner1.Token, router)
-
-	// Try to update via different project endpoint
-	request := UpdateApiKeyRequestDTO{Name: &"Hacked Key"}
-	resp := test_utils.MakePutRequest(t, router, "/api/v1/projects/api-keys/"+project2.ID.String()+"/"+apiKey.ID.String(), "Bearer "+owner2.Token, request, http.StatusBadRequest)
-
-	assert.Contains(t, string(resp.Body), "API key does not belong to this project")
-}
-```
-
-**E2E lifecycle testing:**
-
-```go
-func Test_ProjectLifecycleE2E_CompletesSuccessfully(t *testing.T) {
-	router := projects_testing.CreateTestRouter(GetProjectController(), GetMembershipController())
-
-	// 1. Create project
-	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
-	project := projects_testing.CreateTestProject("E2E Project", owner, router)
-
-	// 2. Add member
-	member := users_testing.CreateTestUser(users_enums.UserRoleMember)
-	projects_testing.AddMemberToProject(project, member, users_enums.ProjectRoleMember, owner.Token, router)
-
-	// 3. Promote to admin
-	projects_testing.ChangeMemberRole(project, member.UserID, users_enums.ProjectRoleAdmin, owner.Token, router)
-
-	// 4. Transfer ownership
-	projects_testing.TransferProjectOwnership(project, member.UserID, owner.Token, router)
-
-	// 5. Verify new owner can manage project
-	finalProject := projects_testing.GetProject(project.ID, member.Token, router)
-	assert.Equal(t, project.ID, finalProject.ID)
-}
-```

backend/.cursor/rules/time-rule.mdc

@@ -1,6 +0,0 @@
----
-description: 
-globs: 
-alwaysApply: true
----
-Always use time.Now().UTC() instead of time.Now()

backend/.env.development.example

@@ -2,8 +2,10 @@
 DEV_DB_NAME=databasus
 DEV_DB_USERNAME=postgres
 DEV_DB_PASSWORD=Q1234567
-#app
+# app
 ENV_MODE=development
+# logging
+SHOW_DB_INSTALLATION_VERIFICATION_LOGS=true
 # db
 DATABASE_DSN=host=dev-db user=postgres password=Q1234567 dbname=databasus port=5437 sslmode=disable
 DATABASE_URL=postgres://postgres:Q1234567@dev-db:5437/databasus?sslmode=disable
@@ -11,6 +13,12 @@ DATABASE_URL=postgres://postgres:Q1234567@dev-db:5437/databasus?sslmode=disable
 GOOSE_DRIVER=postgres
 GOOSE_DBSTRING=postgres://postgres:Q1234567@dev-db:5437/databasus?sslmode=disable
 GOOSE_MIGRATION_DIR=./migrations
+# valkey
+VALKEY_HOST=127.0.0.1
+VALKEY_PORT=6379
+VALKEY_USERNAME=
+VALKEY_PASSWORD=
+VALKEY_IS_SSL=false
 # testing
 # to get Google Drive env variables: add storage in UI and copy data from added storage here 
 TEST_GOOGLE_DRIVE_CLIENT_ID=

backend/.env.production.example

@@ -10,4 +10,10 @@ DATABASE_URL=postgres://postgres:Q1234567@localhost:5437/databasus?sslmode=disab
 # migrations
 GOOSE_DRIVER=postgres
 GOOSE_DBSTRING=postgres://postgres:Q1234567@localhost:5437/databasus?sslmode=disable
-GOOSE_MIGRATION_DIR=./migrations
+GOOSE_MIGRATION_DIR=./migrations
+# valkey
+VALKEY_HOST=127.0.0.1
+VALKEY_PORT=6379
+VALKEY_USERNAME=
+VALKEY_PASSWORD=
+VALKEY_IS_SSL=false

backend/.gitignore

@@ -16,4 +16,6 @@ databasus-backend.exe
 ui/build/*
 pgdata-for-restore/
 temp/
-cmd.exe
+cmd.exe
+temp/
+valkey-data/

backend/Makefile

@@ -2,10 +2,10 @@ run:
 	go run cmd/main.go
 
 test:
-	go test -p=1 -count=1 -failfast -timeout 10m .\internal\...
+	go test -p=1 -count=1 -failfast -timeout 15m ./internal/...
 
 lint:
-	golangci-lint fmt && golangci-lint run
+	golangci-lint fmt ./cmd/... ./internal/... && golangci-lint run ./cmd/... ./internal/...
 
 migration-create:
 	goose create $(name) sql

backend/cmd/main.go

@@ -15,6 +15,8 @@ import (
 	"databasus-backend/internal/config"
 	"databasus-backend/internal/features/audit_logs"
 	"databasus-backend/internal/features/backups/backups"
+	"databasus-backend/internal/features/backups/backups/backuping"
+	backups_download "databasus-backend/internal/features/backups/backups/download"
 	backups_config "databasus-backend/internal/features/backups/config"
 	"databasus-backend/internal/features/databases"
 	"databasus-backend/internal/features/disk"
@@ -25,10 +27,13 @@ import (
 	"databasus-backend/internal/features/restores"
 	"databasus-backend/internal/features/storages"
 	system_healthcheck "databasus-backend/internal/features/system/healthcheck"
+	task_cancellation "databasus-backend/internal/features/tasks/cancellation"
+	task_registry "databasus-backend/internal/features/tasks/registry"
 	users_controllers "databasus-backend/internal/features/users/controllers"
 	users_middleware "databasus-backend/internal/features/users/middleware"
 	users_services "databasus-backend/internal/features/users/services"
 	workspaces_controllers "databasus-backend/internal/features/workspaces/controllers"
+	cache_utils "databasus-backend/internal/util/cache"
 	env_utils "databasus-backend/internal/util/env"
 	files_utils "databasus-backend/internal/util/files"
 	"databasus-backend/internal/util/logger"
@@ -52,7 +57,23 @@ import (
 func main() {
 	log := logger.GetLogger()
 
-	runMigrations(log)
+	cache_utils.TestCacheConnection()
+
+	if config.GetEnv().IsPrimaryNode {
+		log.Info("Clearing cache...")
+
+		err := cache_utils.ClearAllCache()
+		if err != nil {
+			log.Error("Failed to clear cache", "error", err)
+			os.Exit(1)
+		}
+	}
+
+	if config.GetEnv().IsPrimaryNode {
+		runMigrations(log)
+	} else {
+		log.Info("Skipping migrations (IS_PRIMARY_NODE is false)")
+	}
 
 	// create directories that used for backups and restore
 	err := files_utils.EnsureDirectories([]string{
@@ -96,7 +117,9 @@ func main() {
 	enableCors(ginApp)
 	setUpRoutes(ginApp)
 	setUpDependencies()
+
 	runBackgroundTasks(log)
+
 	mountFrontend(ginApp)
 
 	startServerWithGracefulShutdown(log, ginApp)
@@ -183,6 +206,7 @@ func setUpRoutes(r *gin.Engine) {
 	userController := users_controllers.GetUserController()
 	userController.RegisterRoutes(v1)
 	system_healthcheck.GetHealthcheckController().RegisterRoutes(v1)
+	backups.GetBackupController().RegisterPublicRoutes(v1)
 
 	// Setup auth middleware
 	userService := users_services.GetUserService()
@@ -217,27 +241,69 @@ func setUpDependencies() {
 	audit_logs.SetupDependencies()
 	notifiers.SetupDependencies()
 	storages.SetupDependencies()
+	backups_config.SetupDependencies()
+	task_cancellation.SetupDependencies()
 }
 
 func runBackgroundTasks(log *slog.Logger) {
 	log.Info("Preparing to run background tasks...")
 
+	// Create context that will be cancelled on shutdown
+	ctx, cancel := context.WithCancel(context.Background())
+
+	// Set up signal handling for graceful shutdown
+	quit := make(chan os.Signal, 1)
+	signal.Notify(quit, os.Interrupt, syscall.SIGTERM)
+	go func() {
+		<-quit
+		log.Info("Shutdown signal received, cancelling all background tasks")
+		cancel()
+	}()
+
 	err := files_utils.CleanFolder(config.GetEnv().TempFolder)
 	if err != nil {
 		log.Error("Failed to clean temp folder", "error", err)
 	}
 
-	go runWithPanicLogging(log, "backup background service", func() {
-		backups.GetBackupBackgroundService().Run()
-	})
+	if config.GetEnv().IsPrimaryNode {
+		log.Info("Starting primary node background tasks...")
 
-	go runWithPanicLogging(log, "restore background service", func() {
-		restores.GetRestoreBackgroundService().Run()
-	})
+		go runWithPanicLogging(log, "backup background service", func() {
+			backuping.GetBackupsScheduler().Run(ctx)
+		})
 
-	go runWithPanicLogging(log, "healthcheck attempt background service", func() {
-		healthcheck_attempt.GetHealthcheckAttemptBackgroundService().Run()
-	})
+		go runWithPanicLogging(log, "restore background service", func() {
+			restores.GetRestoreBackgroundService().Run(ctx)
+		})
+
+		go runWithPanicLogging(log, "healthcheck attempt background service", func() {
+			healthcheck_attempt.GetHealthcheckAttemptBackgroundService().Run(ctx)
+		})
+
+		go runWithPanicLogging(log, "audit log cleanup background service", func() {
+			audit_logs.GetAuditLogBackgroundService().Run(ctx)
+		})
+
+		go runWithPanicLogging(log, "download token cleanup background service", func() {
+			backups_download.GetDownloadTokenBackgroundService().Run(ctx)
+		})
+
+		go runWithPanicLogging(log, "task nodes registry background service", func() {
+			task_registry.GetTaskNodesRegistry().Run(ctx)
+		})
+	} else {
+		log.Info("Skipping primary node tasks as not primary node")
+	}
+
+	if config.GetEnv().IsBackupNode {
+		log.Info("Starting backup node background tasks...")
+
+		go runWithPanicLogging(log, "backup node", func() {
+			backuping.GetBackuperNode().Run(ctx)
+		})
+	} else {
+		log.Info("Skipping backup node tasks as not backup node")
+	}
 }
 
 func runWithPanicLogging(log *slog.Logger, serviceName string, fn func()) {
@@ -280,16 +346,13 @@ func generateSwaggerDocs(log *slog.Logger) {
 func runMigrations(log *slog.Logger) {
 	log.Info("Running database migrations...")
 
-	cmd := exec.Command("goose", "up")
+	cmd := exec.Command("goose", "-dir", "./migrations", "up")
 	cmd.Env = append(
 		os.Environ(),
 		"GOOSE_DRIVER=postgres",
 		"GOOSE_DBSTRING="+config.GetEnv().DatabaseDsn,
 	)
 
-	// Set the working directory to where migrations are located
-	cmd.Dir = "./migrations"
-
 	output, err := cmd.CombinedOutput()
 	if err != nil {
 		log.Error("Failed to run migrations", "error", err, "output", string(output))

backend/docker-compose.yml.example

@@ -19,6 +19,21 @@ services:
     command: -p 5437
     shm_size: 10gb
 
+  # Valkey for caching
+  dev-valkey:
+    image: valkey/valkey:9.0.1-alpine
+    ports:
+      - "${VALKEY_PORT:-6379}:6379"
+    volumes:
+      - ./valkey-data:/data
+    container_name: dev-valkey
+    healthcheck:
+      test: ["CMD", "valkey-cli", "ping"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 20s
+
   # Test MinIO container
   test-minio:
     image: minio/minio:latest

backend/go.mod

@@ -1,6 +1,6 @@
 module databasus-backend
 
-go 1.24.4
+go 1.24.9
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.20.0
@@ -25,9 +25,9 @@ require (
 	github.com/swaggo/files v1.0.1
 	github.com/swaggo/gin-swagger v1.6.0
 	github.com/swaggo/swag v1.16.4
+	github.com/valkey-io/valkey-go v1.0.70
 	go.mongodb.org/mongo-driver v1.17.6
 	golang.org/x/crypto v0.46.0
-	golang.org/x/time v0.14.0
 	gorm.io/driver/postgres v1.5.11
 	gorm.io/gorm v1.26.1
 )
@@ -185,6 +185,7 @@ require (
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
 	golang.org/x/term v0.38.0 // indirect
+	golang.org/x/time v0.14.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/validator.v2 v2.0.1 // indirect
 	moul.io/http2curl/v2 v2.3.0 // indirect
@@ -269,7 +270,7 @@ require (
 	go.opentelemetry.io/otel/metric v1.38.0 // indirect
 	go.opentelemetry.io/otel/trace v1.38.0 // indirect
 	golang.org/x/arch v0.17.0 // indirect
-	golang.org/x/net v0.47.0 // indirect
+	golang.org/x/net v0.48.0 // indirect
 	golang.org/x/oauth2 v0.33.0
 	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.39.0 // indirect

backend/go.sum

@@ -539,8 +539,8 @@ github.com/onsi/ginkgo v1.16.5 h1:8xi0RTUf59SOSfEtZMvwTvXYMzG4gV23XVHOZiXNtnE=
 github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU=
 github.com/onsi/ginkgo/v2 v2.17.3 h1:oJcvKpIb7/8uLpDDtnQuf18xVnwKp8DTD7DQ6gTd/MU=
 github.com/onsi/ginkgo/v2 v2.17.3/go.mod h1:nP2DPOQoNsQmsVyv5rDA8JkXQoCs6goXIvr/PRJ1eCc=
-github.com/onsi/gomega v1.37.0 h1:CdEG8g0S133B4OswTDC/5XPSzE1OeP29QOioj2PID2Y=
-github.com/onsi/gomega v1.37.0/go.mod h1:8D9+Txp43QWKhM24yyOBEdpkzN8FvJyAwecBgsU4KU0=
+github.com/onsi/gomega v1.38.3 h1:eTX+W6dobAYfFeGC2PV6RwXRu/MyT+cQguijutvkpSM=
+github.com/onsi/gomega v1.38.3/go.mod h1:ZCU1pkQcXDO5Sl9/VVEGlDyp+zm0m1cmeG5TOzLgdh4=
 github.com/oracle/oci-go-sdk/v65 v65.104.0 h1:l9awEvzWvxmYhy/97A0hZ87pa7BncYXmcO/S8+rvgK0=
 github.com/oracle/oci-go-sdk/v65 v65.104.0/go.mod h1:oB8jFGVc/7/zJ+DbleE8MzGHjhs2ioCz5stRTdZdIcY=
 github.com/panjf2000/ants/v2 v2.11.3 h1:AfI0ngBoXJmYOpDh9m516vjqoUu2sLrIVgppI9TZVpg=
@@ -660,6 +660,8 @@ github.com/ulikunitz/xz v0.5.15 h1:9DNdB5s+SgV3bQ2ApL10xRc35ck0DuIX/isZvIk+ubY=
 github.com/ulikunitz/xz v0.5.15/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 github.com/unknwon/goconfig v1.0.0 h1:rS7O+CmUdli1T+oDm7fYj1MwqNWtEJfNj+FqcUHML8U=
 github.com/unknwon/goconfig v1.0.0/go.mod h1:qu2ZQ/wcC/if2u32263HTVC39PeOQRSmidQk3DuDFQ8=
+github.com/valkey-io/valkey-go v1.0.70 h1:mjYNT8qiazxDAJ0QNQ8twWT/YFOkOoRd40ERV2mB49Y=
+github.com/valkey-io/valkey-go v1.0.70/go.mod h1:VGhZ6fs68Qrn2+OhH+6waZH27bjpgQOiLyUQyXuYK5k=
 github.com/wk8/go-ordered-map/v2 v2.1.8 h1:5h/BUHu93oj4gIdvHHHGsScSTMijfx5PeYkE/fJgbpc=
 github.com/wk8/go-ordered-map/v2 v2.1.8/go.mod h1:5nJHM5DyteebpVlHnWMV0rPz6Zp7+xBAnxjb1X5vnTw=
 github.com/xanzy/ssh-agent v0.3.3 h1:+/15pJfg/RsTxqYcX6fHqOXZwwMP+2VyYWJeWM2qQFM=
@@ -720,6 +722,8 @@ go.uber.org/mock v0.5.0 h1:KAMbZvZPyBPWgD14IrIQ38QCyjwpvVVV6K/bHl1IwQU=
 go.uber.org/mock v0.5.0/go.mod h1:ge71pBPLYDk7QIi1LupWxdAykm7KIEFchiOqd6z7qMM=
 go.yaml.in/yaml/v2 v2.4.3 h1:6gvOSjQoTB3vt1l+CU+tSyi/HOjfOjRLJ4YwYZGwRO0=
 go.yaml.in/yaml/v2 v2.4.3/go.mod h1:zSxWcmIDjOzPXpjlTTbAsKokqkDNAVtZO0WOMiT90s8=
+go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
+go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
 golang.org/x/arch v0.17.0 h1:4O3dfLzd+lQewptAHqjewQZQDyEdejz3VwgeYwkZneU=
 golang.org/x/arch v0.17.0/go.mod h1:bdwinDaKcfZUGpH09BB7ZmOfhalA8lQdzl62l8gGWsk=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -818,8 +822,8 @@ golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
 golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
 golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
 golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
-golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
-golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
+golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU=
+golang.org/x/net v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=

backend/internal/config/config.go

@@ -9,6 +9,7 @@ import (
 	"strings"
 	"sync"
 
+	"github.com/google/uuid"
 	"github.com/ilyakaznacheev/cleanenv"
 	"github.com/joho/godotenv"
 )
@@ -29,6 +30,14 @@ type EnvVariables struct {
 	MariadbInstallDir    string            `env:"MARIADB_INSTALL_DIR"`
 	MongodbInstallDir    string            `env:"MONGODB_INSTALL_DIR"`
 
+	ShowDbInstallationVerificationLogs bool `env:"SHOW_DB_INSTALLATION_VERIFICATION_LOGS"`
+
+	NodeID                   string
+	IsManyNodesMode          bool `env:"IS_MANY_NODES_MODE"`
+	IsPrimaryNode            bool `env:"IS_PRIMARY_NODE"`
+	IsBackupNode             bool `env:"IS_BACKUP_NODE"`
+	NodeNetworkThroughputMBs int  `env:"NODE_NETWORK_THROUGHPUT_MBPS"`
+
 	DataFolder    string
 	TempFolder    string
 	SecretKeyPath string
@@ -79,6 +88,13 @@ type EnvVariables struct {
 	TestMongodb70Port string `env:"TEST_MONGODB_70_PORT"`
 	TestMongodb82Port string `env:"TEST_MONGODB_82_PORT"`
 
+	// Valkey
+	ValkeyHost     string `env:"VALKEY_HOST"     required:"true"`
+	ValkeyPort     string `env:"VALKEY_PORT"     required:"true"`
+	ValkeyUsername string `env:"VALKEY_USERNAME"`
+	ValkeyPassword string `env:"VALKEY_PASSWORD"`
+	ValkeyIsSsl    bool   `env:"VALKEY_IS_SSL"   required:"true"`
+
 	// oauth
 	GitHubClientID     string `env:"GITHUB_CLIENT_ID"`
 	GitHubClientSecret string `env:"GITHUB_CLIENT_SECRET"`
@@ -155,6 +171,11 @@ func loadEnvVariables() {
 		os.Exit(1)
 	}
 
+	// Set default value for ShowDbInstallationVerificationLogs if not defined
+	if os.Getenv("SHOW_DB_INSTALLATION_VERIFICATION_LOGS") == "" {
+		env.ShowDbInstallationVerificationLogs = true
+	}
+
 	for _, arg := range os.Args {
 		if strings.Contains(arg, "test") {
 			env.IsTesting = true
@@ -178,16 +199,56 @@ func loadEnvVariables() {
 	log.Info("ENV_MODE loaded", "mode", env.EnvMode)
 
 	env.PostgresesInstallDir = filepath.Join(backendRoot, "tools", "postgresql")
-	tools.VerifyPostgresesInstallation(log, env.EnvMode, env.PostgresesInstallDir)
+	tools.VerifyPostgresesInstallation(
+		log,
+		env.EnvMode,
+		env.PostgresesInstallDir,
+		env.ShowDbInstallationVerificationLogs,
+	)
 
 	env.MysqlInstallDir = filepath.Join(backendRoot, "tools", "mysql")
-	tools.VerifyMysqlInstallation(log, env.EnvMode, env.MysqlInstallDir)
+	tools.VerifyMysqlInstallation(
+		log,
+		env.EnvMode,
+		env.MysqlInstallDir,
+		env.ShowDbInstallationVerificationLogs,
+	)
 
 	env.MariadbInstallDir = filepath.Join(backendRoot, "tools", "mariadb")
-	tools.VerifyMariadbInstallation(log, env.EnvMode, env.MariadbInstallDir)
+	tools.VerifyMariadbInstallation(
+		log,
+		env.EnvMode,
+		env.MariadbInstallDir,
+		env.ShowDbInstallationVerificationLogs,
+	)
 
 	env.MongodbInstallDir = filepath.Join(backendRoot, "tools", "mongodb")
-	tools.VerifyMongodbInstallation(log, env.EnvMode, env.MongodbInstallDir)
+	tools.VerifyMongodbInstallation(
+		log,
+		env.EnvMode,
+		env.MongodbInstallDir,
+		env.ShowDbInstallationVerificationLogs,
+	)
+
+	env.NodeID = uuid.New().String()
+	if env.NodeNetworkThroughputMBs == 0 {
+		env.NodeNetworkThroughputMBs = 125 // 1 Gbit/s
+	}
+
+	if !env.IsManyNodesMode {
+		env.IsPrimaryNode = true
+		env.IsBackupNode = true
+	}
+
+	// Valkey
+	if env.ValkeyHost == "" {
+		log.Error("VALKEY_HOST is empty")
+		os.Exit(1)
+	}
+	if env.ValkeyPort == "" {
+		log.Error("VALKEY_PORT is empty")
+		os.Exit(1)
+	}
 
 	// Store the data and temp folders one level below the root
 	// (projectRoot/databasus-data -> /databasus-data)

backend/internal/features/audit_logs/background_service.go

@@ -0,0 +1,38 @@
+package audit_logs
+
+import (
+	"context"
+	"log/slog"
+	"time"
+)
+
+type AuditLogBackgroundService struct {
+	auditLogService *AuditLogService
+	logger          *slog.Logger
+}
+
+func (s *AuditLogBackgroundService) Run(ctx context.Context) {
+	s.logger.Info("Starting audit log cleanup background service")
+
+	if ctx.Err() != nil {
+		return
+	}
+
+	ticker := time.NewTicker(1 * time.Hour)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case <-ticker.C:
+			if err := s.cleanOldAuditLogs(); err != nil {
+				s.logger.Error("Failed to clean old audit logs", "error", err)
+			}
+		}
+	}
+}
+
+func (s *AuditLogBackgroundService) cleanOldAuditLogs() error {
+	return s.auditLogService.CleanOldAuditLogs()
+}

backend/internal/features/audit_logs/background_service_test.go

@@ -0,0 +1,141 @@
+package audit_logs
+
+import (
+	"databasus-backend/internal/storage"
+	"fmt"
+	"testing"
+	"time"
+
+	user_enums "databasus-backend/internal/features/users/enums"
+	users_testing "databasus-backend/internal/features/users/testing"
+
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+	"gorm.io/gorm"
+)
+
+func Test_CleanOldAuditLogs_DeletesLogsOlderThanOneYear(t *testing.T) {
+	service := GetAuditLogService()
+	user := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	db := storage.GetDb()
+	baseTime := time.Now().UTC()
+
+	// Create old logs (more than 1 year old)
+	createTimedAuditLog(db, &user.UserID, "Old log 1", baseTime.Add(-400*24*time.Hour))
+	createTimedAuditLog(db, &user.UserID, "Old log 2", baseTime.Add(-370*24*time.Hour))
+
+	// Create recent logs (less than 1 year old)
+	createAuditLog(service, "Recent log 1", &user.UserID, nil)
+	createAuditLog(service, "Recent log 2", &user.UserID, nil)
+
+	// Run cleanup
+	err := service.CleanOldAuditLogs()
+	assert.NoError(t, err)
+
+	// Verify old logs were deleted
+	oneYearAgo := baseTime.Add(-365 * 24 * time.Hour)
+	var oldLogs []*AuditLog
+	db.Where("created_at < ?", oneYearAgo).Find(&oldLogs)
+	assert.Equal(t, 0, len(oldLogs), "All logs older than 1 year should be deleted")
+
+	// Verify recent logs still exist
+	var recentLogs []*AuditLog
+	db.Where("created_at >= ?", oneYearAgo).Find(&recentLogs)
+	assert.GreaterOrEqual(t, len(recentLogs), 2, "Recent logs should not be deleted")
+}
+
+func Test_CleanOldAuditLogs_PreservesLogsNewerThanOneYear(t *testing.T) {
+	service := GetAuditLogService()
+	user := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	db := storage.GetDb()
+	baseTime := time.Now().UTC()
+
+	// Create logs exactly at boundary (1 year old)
+	boundaryTime := baseTime.Add(-365 * 24 * time.Hour)
+	createTimedAuditLog(db, &user.UserID, "Boundary log", boundaryTime)
+
+	// Create recent logs
+	createTimedAuditLog(db, &user.UserID, "Recent log 1", baseTime.Add(-364*24*time.Hour))
+	createTimedAuditLog(db, &user.UserID, "Recent log 2", baseTime.Add(-100*24*time.Hour))
+	createAuditLog(service, "Current log", &user.UserID, nil)
+
+	// Get count before cleanup
+	var countBefore int64
+	db.Model(&AuditLog{}).Count(&countBefore)
+
+	// Run cleanup
+	err := service.CleanOldAuditLogs()
+	assert.NoError(t, err)
+
+	// Get count after cleanup
+	var countAfter int64
+	db.Model(&AuditLog{}).Count(&countAfter)
+
+	// Verify logs newer than 1 year are preserved
+	oneYearAgo := baseTime.Add(-365 * 24 * time.Hour)
+	var recentLogs []*AuditLog
+	db.Where("created_at >= ?", oneYearAgo).Find(&recentLogs)
+
+	messages := make([]string, len(recentLogs))
+	for i, log := range recentLogs {
+		messages[i] = log.Message
+	}
+
+	assert.Contains(t, messages, "Recent log 1")
+	assert.Contains(t, messages, "Recent log 2")
+	assert.Contains(t, messages, "Current log")
+}
+
+func Test_CleanOldAuditLogs_HandlesEmptyDatabase(t *testing.T) {
+	service := GetAuditLogService()
+
+	// Run cleanup on database that may have no old logs
+	err := service.CleanOldAuditLogs()
+	assert.NoError(t, err)
+}
+
+func Test_CleanOldAuditLogs_DeletesMultipleOldLogs(t *testing.T) {
+	service := GetAuditLogService()
+	user := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	db := storage.GetDb()
+	baseTime := time.Now().UTC()
+
+	// Create many old logs with specific UUIDs to track them
+	testLogIDs := make([]uuid.UUID, 5)
+	for i := 0; i < 5; i++ {
+		testLogIDs[i] = uuid.New()
+		daysAgo := 400 + (i * 10)
+		log := &AuditLog{
+			ID:        testLogIDs[i],
+			UserID:    &user.UserID,
+			Message:   fmt.Sprintf("Test old log %d", i),
+			CreatedAt: baseTime.Add(-time.Duration(daysAgo) * 24 * time.Hour),
+		}
+		result := db.Create(log)
+		assert.NoError(t, result.Error)
+	}
+
+	// Verify logs exist before cleanup
+	var logsBeforeCleanup []*AuditLog
+	db.Where("id IN ?", testLogIDs).Find(&logsBeforeCleanup)
+	assert.Equal(t, 5, len(logsBeforeCleanup), "All test logs should exist before cleanup")
+
+	// Run cleanup
+	err := service.CleanOldAuditLogs()
+	assert.NoError(t, err)
+
+	// Verify test logs were deleted
+	var logsAfterCleanup []*AuditLog
+	db.Where("id IN ?", testLogIDs).Find(&logsAfterCleanup)
+	assert.Equal(t, 0, len(logsAfterCleanup), "All old test logs should be deleted")
+}
+
+func createTimedAuditLog(db *gorm.DB, userID *uuid.UUID, message string, createdAt time.Time) {
+	log := &AuditLog{
+		ID:        uuid.New(),
+		UserID:    userID,
+		Message:   message,
+		CreatedAt: createdAt,
+	}
+	db.Create(log)
+}

backend/internal/features/audit_logs/controller.go

@@ -1,6 +1,7 @@
 package audit_logs
 
 import (
+	"errors"
 	"net/http"
 
 	user_models "databasus-backend/internal/features/users/models"
@@ -50,7 +51,7 @@ func (c *AuditLogController) GetGlobalAuditLogs(ctx *gin.Context) {
 
 	response, err := c.auditLogService.GetGlobalAuditLogs(user, request)
 	if err != nil {
-		if err.Error() == "only administrators can view global audit logs" {
+		if errors.Is(err, ErrOnlyAdminsCanViewGlobalLogs) {
 			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
 			return
 		}
@@ -99,7 +100,7 @@ func (c *AuditLogController) GetUserAuditLogs(ctx *gin.Context) {
 
 	response, err := c.auditLogService.GetUserAuditLogs(targetUserID, user, request)
 	if err != nil {
-		if err.Error() == "insufficient permissions to view user audit logs" {
+		if errors.Is(err, ErrInsufficientPermissionsToViewLogs) {
 			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
 			return
 		}

backend/internal/features/audit_logs/di.go

@@ -7,11 +7,15 @@ import (
 
 var auditLogRepository = &AuditLogRepository{}
 var auditLogService = &AuditLogService{
-	auditLogRepository: auditLogRepository,
-	logger:             logger.GetLogger(),
+	auditLogRepository,
+	logger.GetLogger(),
 }
 var auditLogController = &AuditLogController{
-	auditLogService: auditLogService,
+	auditLogService,
+}
+var auditLogBackgroundService = &AuditLogBackgroundService{
+	auditLogService,
+	logger.GetLogger(),
 }
 
 func GetAuditLogService() *AuditLogService {
@@ -22,6 +26,10 @@ func GetAuditLogController() *AuditLogController {
 	return auditLogController
 }
 
+func GetAuditLogBackgroundService() *AuditLogBackgroundService {
+	return auditLogBackgroundService
+}
+
 func SetupDependencies() {
 	users_services.GetUserService().SetAuditLogWriter(auditLogService)
 	users_services.GetSettingsService().SetAuditLogWriter(auditLogService)

backend/internal/features/audit_logs/errors.go

@@ -0,0 +1,12 @@
+package audit_logs
+
+import "errors"
+
+var (
+	ErrOnlyAdminsCanViewGlobalLogs = errors.New(
+		"only administrators can view global audit logs",
+	)
+	ErrInsufficientPermissionsToViewLogs = errors.New(
+		"insufficient permissions to view user audit logs",
+	)
+)

backend/internal/features/audit_logs/repository.go

@@ -137,3 +137,15 @@ func (r *AuditLogRepository) CountGlobal(beforeDate *time.Time) (int64, error) {
 	err := query.Count(&count).Error
 	return count, err
 }
+
+func (r *AuditLogRepository) DeleteOlderThan(beforeDate time.Time) (int64, error) {
+	result := storage.GetDb().
+		Where("created_at < ?", beforeDate).
+		Delete(&AuditLog{})
+
+	if result.Error != nil {
+		return 0, result.Error
+	}
+
+	return result.RowsAffected, nil
+}

backend/internal/features/audit_logs/service.go

@@ -1,7 +1,6 @@
 package audit_logs
 
 import (
-	"errors"
 	"log/slog"
 	"time"
 
@@ -44,7 +43,7 @@ func (s *AuditLogService) GetGlobalAuditLogs(
 	request *GetAuditLogsRequest,
 ) (*GetAuditLogsResponse, error) {
 	if user.Role != user_enums.UserRoleAdmin {
-		return nil, errors.New("only administrators can view global audit logs")
+		return nil, ErrOnlyAdminsCanViewGlobalLogs
 	}
 
 	limit := request.Limit
@@ -79,7 +78,7 @@ func (s *AuditLogService) GetUserAuditLogs(
 ) (*GetAuditLogsResponse, error) {
 	// Users can view their own logs, ADMIN can view any user's logs
 	if user.Role != user_enums.UserRoleAdmin && user.ID != targetUserID {
-		return nil, errors.New("insufficient permissions to view user audit logs")
+		return nil, ErrInsufficientPermissionsToViewLogs
 	}
 
 	limit := request.Limit
@@ -135,3 +134,19 @@ func (s *AuditLogService) GetWorkspaceAuditLogs(
 		Offset:    offset,
 	}, nil
 }
+
+func (s *AuditLogService) CleanOldAuditLogs() error {
+	oneYearAgo := time.Now().UTC().Add(-365 * 24 * time.Hour)
+
+	deletedCount, err := s.auditLogRepository.DeleteOlderThan(oneYearAgo)
+	if err != nil {
+		s.logger.Error("Failed to delete old audit logs", "error", err)
+		return err
+	}
+
+	if deletedCount > 0 {
+		s.logger.Info("Deleted old audit logs", "count", deletedCount, "olderThan", oneYearAgo)
+	}
+
+	return nil
+}

backend/internal/features/backups/backups/background_service.go

@@ -1,254 +0,0 @@
-package backups
-
-import (
-	"databasus-backend/internal/config"
-	backups_config "databasus-backend/internal/features/backups/config"
-	"databasus-backend/internal/features/storages"
-	"databasus-backend/internal/util/encryption"
-	"databasus-backend/internal/util/period"
-	"log/slog"
-	"time"
-)
-
-type BackupBackgroundService struct {
-	backupService       *BackupService
-	backupRepository    *BackupRepository
-	backupConfigService *backups_config.BackupConfigService
-	storageService      *storages.StorageService
-
-	lastBackupTime time.Time
-	logger         *slog.Logger
-}
-
-func (s *BackupBackgroundService) Run() {
-	s.lastBackupTime = time.Now().UTC()
-
-	if err := s.failBackupsInProgress(); err != nil {
-		s.logger.Error("Failed to fail backups in progress", "error", err)
-		panic(err)
-	}
-
-	if config.IsShouldShutdown() {
-		return
-	}
-
-	for {
-		if config.IsShouldShutdown() {
-			return
-		}
-
-		if err := s.cleanOldBackups(); err != nil {
-			s.logger.Error("Failed to clean old backups", "error", err)
-		}
-
-		if err := s.runPendingBackups(); err != nil {
-			s.logger.Error("Failed to run pending backups", "error", err)
-		}
-
-		s.lastBackupTime = time.Now().UTC()
-		time.Sleep(1 * time.Minute)
-	}
-}
-
-func (s *BackupBackgroundService) IsBackupsWorkerRunning() bool {
-	// if last backup time is more than 5 minutes ago, return false
-	return s.lastBackupTime.After(time.Now().UTC().Add(-5 * time.Minute))
-}
-
-func (s *BackupBackgroundService) failBackupsInProgress() error {
-	backupsInProgress, err := s.backupRepository.FindByStatus(BackupStatusInProgress)
-	if err != nil {
-		return err
-	}
-
-	for _, backup := range backupsInProgress {
-		backupConfig, err := s.backupConfigService.GetBackupConfigByDbId(backup.DatabaseID)
-		if err != nil {
-			s.logger.Error("Failed to get backup config by database ID", "error", err)
-			continue
-		}
-
-		failMessage := "Backup failed due to application restart"
-		backup.FailMessage = &failMessage
-		backup.Status = BackupStatusFailed
-		backup.BackupSizeMb = 0
-
-		s.backupService.SendBackupNotification(
-			backupConfig,
-			backup,
-			backups_config.NotificationBackupFailed,
-			&failMessage,
-		)
-
-		if err := s.backupRepository.Save(backup); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func (s *BackupBackgroundService) cleanOldBackups() error {
-	enabledBackupConfigs, err := s.backupConfigService.GetBackupConfigsWithEnabledBackups()
-	if err != nil {
-		return err
-	}
-
-	for _, backupConfig := range enabledBackupConfigs {
-		backupStorePeriod := backupConfig.StorePeriod
-
-		if backupStorePeriod == period.PeriodForever {
-			continue
-		}
-
-		storeDuration := backupStorePeriod.ToDuration()
-		dateBeforeBackupsShouldBeDeleted := time.Now().UTC().Add(-storeDuration)
-
-		oldBackups, err := s.backupRepository.FindBackupsBeforeDate(
-			backupConfig.DatabaseID,
-			dateBeforeBackupsShouldBeDeleted,
-		)
-		if err != nil {
-			s.logger.Error(
-				"Failed to find old backups for database",
-				"databaseId",
-				backupConfig.DatabaseID,
-				"error",
-				err,
-			)
-			continue
-		}
-
-		for _, backup := range oldBackups {
-			storage, err := s.storageService.GetStorageByID(backup.StorageID)
-			if err != nil {
-				s.logger.Error(
-					"Failed to get storage by ID",
-					"storageId",
-					backup.StorageID,
-					"error",
-					err,
-				)
-				continue
-			}
-
-			encryptor := encryption.GetFieldEncryptor()
-			err = storage.DeleteFile(encryptor, backup.ID)
-			if err != nil {
-				s.logger.Error("Failed to delete backup file", "backupId", backup.ID, "error", err)
-			}
-
-			if err := s.backupRepository.DeleteByID(backup.ID); err != nil {
-				s.logger.Error("Failed to delete old backup", "backupId", backup.ID, "error", err)
-				continue
-			}
-
-			s.logger.Info(
-				"Deleted old backup",
-				"backupId",
-				backup.ID,
-				"databaseId",
-				backupConfig.DatabaseID,
-			)
-		}
-	}
-
-	return nil
-}
-
-func (s *BackupBackgroundService) runPendingBackups() error {
-	enabledBackupConfigs, err := s.backupConfigService.GetBackupConfigsWithEnabledBackups()
-	if err != nil {
-		return err
-	}
-
-	for _, backupConfig := range enabledBackupConfigs {
-		if backupConfig.BackupInterval == nil {
-			continue
-		}
-
-		lastBackup, err := s.backupRepository.FindLastByDatabaseID(backupConfig.DatabaseID)
-		if err != nil {
-			s.logger.Error(
-				"Failed to get last backup for database",
-				"databaseId",
-				backupConfig.DatabaseID,
-				"error",
-				err,
-			)
-			continue
-		}
-
-		var lastBackupTime *time.Time
-		if lastBackup != nil {
-			lastBackupTime = &lastBackup.CreatedAt
-		}
-
-		remainedBackupTryCount := s.GetRemainedBackupTryCount(lastBackup)
-
-		if backupConfig.BackupInterval.ShouldTriggerBackup(time.Now().UTC(), lastBackupTime) ||
-			remainedBackupTryCount > 0 {
-			s.logger.Info(
-				"Triggering scheduled backup",
-				"databaseId",
-				backupConfig.DatabaseID,
-				"intervalType",
-				backupConfig.BackupInterval.Interval,
-			)
-
-			go s.backupService.MakeBackup(backupConfig.DatabaseID, remainedBackupTryCount == 1)
-			s.logger.Info(
-				"Successfully triggered scheduled backup",
-				"databaseId",
-				backupConfig.DatabaseID,
-			)
-		}
-	}
-
-	return nil
-}
-
-// GetRemainedBackupTryCount returns the number of remaining backup tries for a given backup.
-// If the backup is not failed or the backup config does not allow retries, it returns 0.
-// If the backup is failed and the backup config allows retries, it returns the number of remaining tries.
-// If the backup is failed and the backup config does not allow retries, it returns 0.
-func (s *BackupBackgroundService) GetRemainedBackupTryCount(lastBackup *Backup) int {
-	if lastBackup == nil {
-		return 0
-	}
-
-	if lastBackup.Status != BackupStatusFailed {
-		return 0
-	}
-
-	backupConfig, err := s.backupConfigService.GetBackupConfigByDbId(lastBackup.DatabaseID)
-	if err != nil {
-		s.logger.Error("Failed to get backup config by database ID", "error", err)
-		return 0
-	}
-
-	if !backupConfig.IsRetryIfFailed {
-		return 0
-	}
-
-	maxFailedTriesCount := backupConfig.MaxFailedTriesCount
-
-	lastBackups, err := s.backupRepository.FindByDatabaseIDWithLimit(
-		lastBackup.DatabaseID,
-		maxFailedTriesCount,
-	)
-	if err != nil {
-		s.logger.Error("Failed to find last backups by database ID", "error", err)
-		return 0
-	}
-
-	lastFailedBackups := make([]*Backup, 0)
-
-	for _, backup := range lastBackups {
-		if backup.Status == BackupStatusFailed {
-			lastFailedBackups = append(lastFailedBackups, backup)
-		}
-	}
-
-	return maxFailedTriesCount - len(lastFailedBackups)
-}

backend/internal/features/backups/backups/background_service_test.go

@@ -1,321 +0,0 @@
-package backups
-
-import (
-	backups_config "databasus-backend/internal/features/backups/config"
-	"databasus-backend/internal/features/databases"
-	"databasus-backend/internal/features/intervals"
-	"databasus-backend/internal/features/notifiers"
-	"databasus-backend/internal/features/storages"
-	users_enums "databasus-backend/internal/features/users/enums"
-	users_testing "databasus-backend/internal/features/users/testing"
-	workspaces_testing "databasus-backend/internal/features/workspaces/testing"
-	"databasus-backend/internal/util/period"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func Test_MakeBackupForDbHavingBackupDayAgo_BackupCreated(t *testing.T) {
-	// setup data
-	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
-	router := CreateTestRouter()
-	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", user, router)
-	storage := storages.CreateTestStorage(workspace.ID)
-	notifier := notifiers.CreateTestNotifier(workspace.ID)
-	database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
-
-	// Enable backups for the database
-	backupConfig, err := backups_config.GetBackupConfigService().GetBackupConfigByDbId(database.ID)
-	assert.NoError(t, err)
-
-	timeOfDay := "04:00"
-	backupConfig.BackupInterval = &intervals.Interval{
-		Interval:  intervals.IntervalDaily,
-		TimeOfDay: &timeOfDay,
-	}
-	backupConfig.IsBackupsEnabled = true
-	backupConfig.StorePeriod = period.PeriodWeek
-	backupConfig.Storage = storage
-	backupConfig.StorageID = &storage.ID
-
-	_, err = backups_config.GetBackupConfigService().SaveBackupConfig(backupConfig)
-	assert.NoError(t, err)
-
-	// add old backup
-	backupRepository.Save(&Backup{
-		DatabaseID: database.ID,
-		StorageID:  storage.ID,
-
-		Status: BackupStatusCompleted,
-
-		CreatedAt: time.Now().UTC().Add(-24 * time.Hour),
-	})
-
-	GetBackupBackgroundService().runPendingBackups()
-
-	time.Sleep(100 * time.Millisecond)
-
-	// assertions
-	backups, err := backupRepository.FindByDatabaseID(database.ID)
-	assert.NoError(t, err)
-	assert.Len(t, backups, 2)
-
-	// cleanup
-	for _, backup := range backups {
-		err := backupRepository.DeleteByID(backup.ID)
-		assert.NoError(t, err)
-	}
-
-	databases.RemoveTestDatabase(database)
-	time.Sleep(50 * time.Millisecond) // Wait for cascading deletes
-	notifiers.RemoveTestNotifier(notifier)
-	storages.RemoveTestStorage(storage.ID)
-	workspaces_testing.RemoveTestWorkspace(workspace, router)
-}
-
-func Test_MakeBackupForDbHavingHourAgoBackup_BackupSkipped(t *testing.T) {
-	// setup data
-	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
-	router := CreateTestRouter()
-	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", user, router)
-	storage := storages.CreateTestStorage(workspace.ID)
-	notifier := notifiers.CreateTestNotifier(workspace.ID)
-	database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
-
-	// Enable backups for the database
-	backupConfig, err := backups_config.GetBackupConfigService().GetBackupConfigByDbId(database.ID)
-	assert.NoError(t, err)
-
-	timeOfDay := "04:00"
-	backupConfig.BackupInterval = &intervals.Interval{
-		Interval:  intervals.IntervalDaily,
-		TimeOfDay: &timeOfDay,
-	}
-	backupConfig.IsBackupsEnabled = true
-	backupConfig.StorePeriod = period.PeriodWeek
-	backupConfig.Storage = storage
-	backupConfig.StorageID = &storage.ID
-
-	_, err = backups_config.GetBackupConfigService().SaveBackupConfig(backupConfig)
-	assert.NoError(t, err)
-
-	// add recent backup (1 hour ago)
-	backupRepository.Save(&Backup{
-		DatabaseID: database.ID,
-		StorageID:  storage.ID,
-
-		Status: BackupStatusCompleted,
-
-		CreatedAt: time.Now().UTC().Add(-1 * time.Hour),
-	})
-
-	GetBackupBackgroundService().runPendingBackups()
-
-	time.Sleep(100 * time.Millisecond)
-
-	// assertions
-	backups, err := backupRepository.FindByDatabaseID(database.ID)
-	assert.NoError(t, err)
-	assert.Len(t, backups, 1) // Should still be 1 backup, no new backup created
-
-	// cleanup
-	for _, backup := range backups {
-		err := backupRepository.DeleteByID(backup.ID)
-		assert.NoError(t, err)
-	}
-
-	databases.RemoveTestDatabase(database)
-	time.Sleep(50 * time.Millisecond) // Wait for cascading deletes
-	notifiers.RemoveTestNotifier(notifier)
-	storages.RemoveTestStorage(storage.ID)
-	workspaces_testing.RemoveTestWorkspace(workspace, router)
-}
-
-func Test_MakeBackupHavingFailedBackupWithoutRetries_BackupSkipped(t *testing.T) {
-	// setup data
-	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
-	router := CreateTestRouter()
-	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", user, router)
-	storage := storages.CreateTestStorage(workspace.ID)
-	notifier := notifiers.CreateTestNotifier(workspace.ID)
-	database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
-
-	// Enable backups for the database with retries disabled
-	backupConfig, err := backups_config.GetBackupConfigService().GetBackupConfigByDbId(database.ID)
-	assert.NoError(t, err)
-
-	timeOfDay := "04:00"
-	backupConfig.BackupInterval = &intervals.Interval{
-		Interval:  intervals.IntervalDaily,
-		TimeOfDay: &timeOfDay,
-	}
-	backupConfig.IsBackupsEnabled = true
-	backupConfig.StorePeriod = period.PeriodWeek
-	backupConfig.Storage = storage
-	backupConfig.StorageID = &storage.ID
-	backupConfig.IsRetryIfFailed = false
-	backupConfig.MaxFailedTriesCount = 0
-
-	_, err = backups_config.GetBackupConfigService().SaveBackupConfig(backupConfig)
-	assert.NoError(t, err)
-
-	// add failed backup
-	failMessage := "backup failed"
-	backupRepository.Save(&Backup{
-		DatabaseID: database.ID,
-		StorageID:  storage.ID,
-
-		Status:      BackupStatusFailed,
-		FailMessage: &failMessage,
-
-		CreatedAt: time.Now().UTC().Add(-1 * time.Hour),
-	})
-
-	GetBackupBackgroundService().runPendingBackups()
-
-	time.Sleep(100 * time.Millisecond)
-
-	// assertions
-	backups, err := backupRepository.FindByDatabaseID(database.ID)
-	assert.NoError(t, err)
-	assert.Len(t, backups, 1) // Should still be 1 backup, no retry attempted
-
-	// cleanup
-	for _, backup := range backups {
-		err := backupRepository.DeleteByID(backup.ID)
-		assert.NoError(t, err)
-	}
-
-	databases.RemoveTestDatabase(database)
-	time.Sleep(50 * time.Millisecond) // Wait for cascading deletes
-	notifiers.RemoveTestNotifier(notifier)
-	storages.RemoveTestStorage(storage.ID)
-	workspaces_testing.RemoveTestWorkspace(workspace, router)
-}
-
-func Test_MakeBackupHavingFailedBackupWithRetries_BackupCreated(t *testing.T) {
-	// setup data
-	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
-	router := CreateTestRouter()
-	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", user, router)
-	storage := storages.CreateTestStorage(workspace.ID)
-	notifier := notifiers.CreateTestNotifier(workspace.ID)
-	database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
-
-	// Enable backups for the database with retries enabled
-	backupConfig, err := backups_config.GetBackupConfigService().GetBackupConfigByDbId(database.ID)
-	assert.NoError(t, err)
-
-	timeOfDay := "04:00"
-	backupConfig.BackupInterval = &intervals.Interval{
-		Interval:  intervals.IntervalDaily,
-		TimeOfDay: &timeOfDay,
-	}
-	backupConfig.IsBackupsEnabled = true
-	backupConfig.StorePeriod = period.PeriodWeek
-	backupConfig.Storage = storage
-	backupConfig.StorageID = &storage.ID
-	backupConfig.IsRetryIfFailed = true
-	backupConfig.MaxFailedTriesCount = 3
-
-	_, err = backups_config.GetBackupConfigService().SaveBackupConfig(backupConfig)
-	assert.NoError(t, err)
-
-	// add failed backup
-	failMessage := "backup failed"
-	backupRepository.Save(&Backup{
-		DatabaseID: database.ID,
-		StorageID:  storage.ID,
-
-		Status:      BackupStatusFailed,
-		FailMessage: &failMessage,
-
-		CreatedAt: time.Now().UTC().Add(-1 * time.Hour),
-	})
-
-	GetBackupBackgroundService().runPendingBackups()
-
-	time.Sleep(100 * time.Millisecond)
-
-	// assertions
-	backups, err := backupRepository.FindByDatabaseID(database.ID)
-	assert.NoError(t, err)
-	assert.Len(t, backups, 2) // Should have 2 backups, retry was attempted
-
-	// cleanup
-	for _, backup := range backups {
-		err := backupRepository.DeleteByID(backup.ID)
-		assert.NoError(t, err)
-	}
-
-	databases.RemoveTestDatabase(database)
-	time.Sleep(100 * time.Millisecond) // Wait for cascading deletes
-	notifiers.RemoveTestNotifier(notifier)
-	storages.RemoveTestStorage(storage.ID)
-	workspaces_testing.RemoveTestWorkspace(workspace, router)
-}
-
-func Test_MakeBackupHavingFailedBackupWithRetries_RetriesCountNotExceeded(t *testing.T) {
-	// setup data
-	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
-	router := CreateTestRouter()
-	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", user, router)
-	storage := storages.CreateTestStorage(workspace.ID)
-	notifier := notifiers.CreateTestNotifier(workspace.ID)
-	database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
-
-	// Enable backups for the database with retries enabled
-	backupConfig, err := backups_config.GetBackupConfigService().GetBackupConfigByDbId(database.ID)
-	assert.NoError(t, err)
-
-	timeOfDay := "04:00"
-	backupConfig.BackupInterval = &intervals.Interval{
-		Interval:  intervals.IntervalDaily,
-		TimeOfDay: &timeOfDay,
-	}
-	backupConfig.IsBackupsEnabled = true
-	backupConfig.StorePeriod = period.PeriodWeek
-	backupConfig.Storage = storage
-	backupConfig.StorageID = &storage.ID
-	backupConfig.IsRetryIfFailed = true
-	backupConfig.MaxFailedTriesCount = 3
-
-	_, err = backups_config.GetBackupConfigService().SaveBackupConfig(backupConfig)
-	assert.NoError(t, err)
-
-	failMessage := "backup failed"
-
-	for i := 0; i < 3; i++ {
-		backupRepository.Save(&Backup{
-			DatabaseID: database.ID,
-			StorageID:  storage.ID,
-
-			Status:      BackupStatusFailed,
-			FailMessage: &failMessage,
-
-			CreatedAt: time.Now().UTC().Add(-1 * time.Hour),
-		})
-	}
-
-	GetBackupBackgroundService().runPendingBackups()
-
-	time.Sleep(100 * time.Millisecond)
-
-	// assertions
-	backups, err := backupRepository.FindByDatabaseID(database.ID)
-	assert.NoError(t, err)
-	assert.Len(t, backups, 3) // Should have 3 backups, not more than max
-
-	// cleanup
-	for _, backup := range backups {
-		err := backupRepository.DeleteByID(backup.ID)
-		assert.NoError(t, err)
-	}
-
-	databases.RemoveTestDatabase(database)
-	time.Sleep(50 * time.Millisecond) // Wait for cascading deletes
-	notifiers.RemoveTestNotifier(notifier)
-	storages.RemoveTestStorage(storage.ID)
-	workspaces_testing.RemoveTestWorkspace(workspace, router)
-}

backend/internal/features/backups/backups/backup_context_manager.go

@@ -1,60 +0,0 @@
-package backups
-
-import (
-	"context"
-	"sync"
-
-	"github.com/google/uuid"
-)
-
-type BackupContextManager struct {
-	mu               sync.RWMutex
-	cancelFuncs      map[uuid.UUID]context.CancelFunc
-	cancelledBackups map[uuid.UUID]bool
-}
-
-func NewBackupContextManager() *BackupContextManager {
-	return &BackupContextManager{
-		cancelFuncs:      make(map[uuid.UUID]context.CancelFunc),
-		cancelledBackups: make(map[uuid.UUID]bool),
-	}
-}
-
-func (m *BackupContextManager) RegisterBackup(backupID uuid.UUID, cancelFunc context.CancelFunc) {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	m.cancelFuncs[backupID] = cancelFunc
-	delete(m.cancelledBackups, backupID)
-}
-
-func (m *BackupContextManager) CancelBackup(backupID uuid.UUID) error {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-
-	if m.cancelledBackups[backupID] {
-		return nil
-	}
-
-	cancelFunc, exists := m.cancelFuncs[backupID]
-	if exists {
-		cancelFunc()
-		delete(m.cancelFuncs, backupID)
-	}
-
-	m.cancelledBackups[backupID] = true
-
-	return nil
-}
-
-func (m *BackupContextManager) IsCancelled(backupID uuid.UUID) bool {
-	m.mu.RLock()
-	defer m.mu.RUnlock()
-	return m.cancelledBackups[backupID]
-}
-
-func (m *BackupContextManager) UnregisterBackup(backupID uuid.UUID) {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	delete(m.cancelFuncs, backupID)
-	delete(m.cancelledBackups, backupID)
-}

backend/internal/features/backups/backups/backuping/backuper.go

@@ -0,0 +1,365 @@
+package backuping
+
+import (
+	"context"
+	"databasus-backend/internal/config"
+	backups_core "databasus-backend/internal/features/backups/backups/core"
+	backups_config "databasus-backend/internal/features/backups/config"
+	"databasus-backend/internal/features/databases"
+	"databasus-backend/internal/features/storages"
+	tasks_cancellation "databasus-backend/internal/features/tasks/cancellation"
+	task_registry "databasus-backend/internal/features/tasks/registry"
+	workspaces_services "databasus-backend/internal/features/workspaces/services"
+	util_encryption "databasus-backend/internal/util/encryption"
+	"errors"
+	"fmt"
+	"log/slog"
+	"slices"
+	"strings"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+const (
+	heartbeatTickerInterval     = 15 * time.Second
+	backuperHeathcheckThreshold = 5 * time.Minute
+)
+
+type BackuperNode struct {
+	databaseService     *databases.DatabaseService
+	fieldEncryptor      util_encryption.FieldEncryptor
+	workspaceService    *workspaces_services.WorkspaceService
+	backupRepository    *backups_core.BackupRepository
+	backupConfigService *backups_config.BackupConfigService
+	storageService      *storages.StorageService
+	notificationSender  backups_core.NotificationSender
+	backupCancelManager *tasks_cancellation.TaskCancelManager
+	tasksRegistry       *task_registry.TaskNodesRegistry
+	logger              *slog.Logger
+	createBackupUseCase backups_core.CreateBackupUsecase
+	nodeID              uuid.UUID
+
+	lastHeartbeat time.Time
+}
+
+func (n *BackuperNode) Run(ctx context.Context) {
+	n.lastHeartbeat = time.Now().UTC()
+
+	throughputMBs := config.GetEnv().NodeNetworkThroughputMBs
+
+	backupNode := task_registry.TaskNode{
+		ID:            n.nodeID,
+		ThroughputMBs: throughputMBs,
+	}
+
+	if err := n.tasksRegistry.HearthbeatNodeInRegistry(time.Now().UTC(), backupNode); err != nil {
+		n.logger.Error("Failed to register node in registry", "error", err)
+		panic(err)
+	}
+
+	backupHandler := func(backupID uuid.UUID, isCallNotifier bool) {
+		n.MakeBackup(backupID, isCallNotifier)
+		if err := n.tasksRegistry.PublishTaskCompletion(n.nodeID.String(), backupID); err != nil {
+			n.logger.Error(
+				"Failed to publish backup completion",
+				"error",
+				err,
+				"backupID",
+				backupID,
+			)
+		}
+	}
+
+	if err := n.tasksRegistry.SubscribeNodeForTasksAssignment(n.nodeID.String(), backupHandler); err != nil {
+		n.logger.Error("Failed to subscribe to backup assignments", "error", err)
+		panic(err)
+	}
+	defer func() {
+		if err := n.tasksRegistry.UnsubscribeNodeForTasksAssignments(); err != nil {
+			n.logger.Error("Failed to unsubscribe from backup assignments", "error", err)
+		}
+	}()
+
+	ticker := time.NewTicker(heartbeatTickerInterval)
+	defer ticker.Stop()
+
+	n.logger.Info("Backup node started", "nodeID", n.nodeID, "throughput", throughputMBs)
+
+	for {
+		select {
+		case <-ctx.Done():
+			n.logger.Info("Shutdown signal received, unregistering node", "nodeID", n.nodeID)
+
+			if err := n.tasksRegistry.UnregisterNodeFromRegistry(backupNode); err != nil {
+				n.logger.Error("Failed to unregister node from registry", "error", err)
+			}
+
+			return
+		case <-ticker.C:
+			n.sendHeartbeat(&backupNode)
+		}
+	}
+}
+
+func (n *BackuperNode) IsBackuperRunning() bool {
+	return n.lastHeartbeat.After(time.Now().UTC().Add(-backuperHeathcheckThreshold))
+}
+
+func (n *BackuperNode) MakeBackup(backupID uuid.UUID, isCallNotifier bool) {
+	backup, err := n.backupRepository.FindByID(backupID)
+	if err != nil {
+		n.logger.Error("Failed to get backup by ID", "backupId", backupID, "error", err)
+		return
+	}
+
+	databaseID := backup.DatabaseID
+
+	database, err := n.databaseService.GetDatabaseByID(databaseID)
+	if err != nil {
+		n.logger.Error("Failed to get database by ID", "databaseId", databaseID, "error", err)
+		return
+	}
+
+	backupConfig, err := n.backupConfigService.GetBackupConfigByDbId(databaseID)
+	if err != nil {
+		n.logger.Error("Failed to get backup config by database ID", "error", err)
+		return
+	}
+
+	if backupConfig.StorageID == nil {
+		n.logger.Error("Backup config storage ID is not defined")
+		return
+	}
+
+	storage, err := n.storageService.GetStorageByID(*backupConfig.StorageID)
+	if err != nil {
+		n.logger.Error("Failed to get storage by ID", "error", err)
+		return
+	}
+
+	start := time.Now().UTC()
+
+	backupProgressListener := func(
+		completedMBs float64,
+	) {
+		backup.BackupSizeMb = completedMBs
+		backup.BackupDurationMs = time.Since(start).Milliseconds()
+
+		if err := n.backupRepository.Save(backup); err != nil {
+			n.logger.Error("Failed to update backup progress", "error", err)
+		}
+	}
+
+	ctx, cancel := context.WithCancel(context.Background())
+	n.backupCancelManager.RegisterTask(backup.ID, cancel)
+	defer n.backupCancelManager.UnregisterTask(backup.ID)
+
+	backupMetadata, err := n.createBackupUseCase.Execute(
+		ctx,
+		backup.ID,
+		backupConfig,
+		database,
+		storage,
+		backupProgressListener,
+	)
+	if err != nil {
+		errMsg := err.Error()
+
+		// Log detailed error information for debugging
+		n.logger.Error("Backup execution failed",
+			"backupId", backup.ID,
+			"databaseId", databaseID,
+			"databaseType", database.Type,
+			"storageId", storage.ID,
+			"storageType", storage.Type,
+			"error", err,
+			"errorMessage", errMsg,
+		)
+
+		// Check if backup was cancelled (not due to shutdown)
+		isCancelled := strings.Contains(errMsg, "backup cancelled") ||
+			strings.Contains(errMsg, "context canceled") ||
+			errors.Is(err, context.Canceled)
+		isShutdown := strings.Contains(errMsg, "shutdown")
+
+		if isCancelled && !isShutdown {
+			n.logger.Warn("Backup was cancelled by user or system",
+				"backupId", backup.ID,
+				"isCancelled", isCancelled,
+				"isShutdown", isShutdown,
+			)
+
+			backup.Status = backups_core.BackupStatusCanceled
+			backup.BackupDurationMs = time.Since(start).Milliseconds()
+			backup.BackupSizeMb = 0
+
+			if err := n.backupRepository.Save(backup); err != nil {
+				n.logger.Error("Failed to save cancelled backup", "error", err)
+			}
+
+			// Delete partial backup from storage
+			storage, storageErr := n.storageService.GetStorageByID(backup.StorageID)
+			if storageErr == nil {
+				if deleteErr := storage.DeleteFile(n.fieldEncryptor, backup.ID); deleteErr != nil {
+					n.logger.Error(
+						"Failed to delete partial backup file",
+						"backupId",
+						backup.ID,
+						"error",
+						deleteErr,
+					)
+				}
+			}
+
+			return
+		}
+
+		backup.FailMessage = &errMsg
+		backup.Status = backups_core.BackupStatusFailed
+		backup.BackupDurationMs = time.Since(start).Milliseconds()
+		backup.BackupSizeMb = 0
+
+		if updateErr := n.databaseService.SetBackupError(databaseID, errMsg); updateErr != nil {
+			n.logger.Error(
+				"Failed to update database last backup time",
+				"databaseId",
+				databaseID,
+				"error",
+				updateErr,
+			)
+		}
+
+		if err := n.backupRepository.Save(backup); err != nil {
+			n.logger.Error("Failed to save backup", "error", err)
+		}
+
+		n.SendBackupNotification(
+			backupConfig,
+			backup,
+			backups_config.NotificationBackupFailed,
+			&errMsg,
+		)
+
+		return
+	}
+
+	backup.Status = backups_core.BackupStatusCompleted
+	backup.BackupDurationMs = time.Since(start).Milliseconds()
+
+	// Update backup with encryption metadata if provided
+	if backupMetadata != nil {
+		backup.EncryptionSalt = backupMetadata.EncryptionSalt
+		backup.EncryptionIV = backupMetadata.EncryptionIV
+		backup.Encryption = backupMetadata.Encryption
+	}
+
+	if err := n.backupRepository.Save(backup); err != nil {
+		n.logger.Error("Failed to save backup", "error", err)
+		return
+	}
+
+	// Update database last backup time
+	now := time.Now().UTC()
+	if updateErr := n.databaseService.SetLastBackupTime(databaseID, now); updateErr != nil {
+		n.logger.Error(
+			"Failed to update database last backup time",
+			"databaseId",
+			databaseID,
+			"error",
+			updateErr,
+		)
+	}
+
+	if backup.Status != backups_core.BackupStatusCompleted && !isCallNotifier {
+		return
+	}
+
+	n.SendBackupNotification(
+		backupConfig,
+		backup,
+		backups_config.NotificationBackupSuccess,
+		nil,
+	)
+}
+
+func (n *BackuperNode) SendBackupNotification(
+	backupConfig *backups_config.BackupConfig,
+	backup *backups_core.Backup,
+	notificationType backups_config.BackupNotificationType,
+	errorMessage *string,
+) {
+	database, err := n.databaseService.GetDatabaseByID(backupConfig.DatabaseID)
+	if err != nil {
+		return
+	}
+
+	workspace, err := n.workspaceService.GetWorkspaceByID(*database.WorkspaceID)
+	if err != nil {
+		return
+	}
+
+	for _, notifier := range database.Notifiers {
+		if !slices.Contains(
+			backupConfig.SendNotificationsOn,
+			notificationType,
+		) {
+			continue
+		}
+
+		title := ""
+		switch notificationType {
+		case backups_config.NotificationBackupFailed:
+			title = fmt.Sprintf(
+				"❌ Backup failed for database \"%s\" (workspace \"%s\")",
+				database.Name,
+				workspace.Name,
+			)
+		case backups_config.NotificationBackupSuccess:
+			title = fmt.Sprintf(
+				"✅ Backup completed for database \"%s\" (workspace \"%s\")",
+				database.Name,
+				workspace.Name,
+			)
+		}
+
+		message := ""
+		if errorMessage != nil {
+			message = *errorMessage
+		} else {
+			// Format size conditionally
+			var sizeStr string
+			if backup.BackupSizeMb < 1024 {
+				sizeStr = fmt.Sprintf("%.2f MB", backup.BackupSizeMb)
+			} else {
+				sizeGB := backup.BackupSizeMb / 1024
+				sizeStr = fmt.Sprintf("%.2f GB", sizeGB)
+			}
+
+			// Format duration as "0m 0s 0ms"
+			totalMs := backup.BackupDurationMs
+			minutes := totalMs / (1000 * 60)
+			seconds := (totalMs % (1000 * 60)) / 1000
+			durationStr := fmt.Sprintf("%dm %ds", minutes, seconds)
+
+			message = fmt.Sprintf(
+				"Backup completed successfully in %s.\nCompressed backup size: %s",
+				durationStr,
+				sizeStr,
+			)
+		}
+
+		n.notificationSender.SendNotification(
+			&notifier,
+			title,
+			message,
+		)
+	}
+}
+
+func (n *BackuperNode) sendHeartbeat(backupNode *task_registry.TaskNode) {
+	n.lastHeartbeat = time.Now().UTC()
+	if err := n.tasksRegistry.HearthbeatNodeInRegistry(time.Now().UTC(), *backupNode); err != nil {
+		n.logger.Error("Failed to send heartbeat", "error", err)
+	}
+}

backend/internal/features/backups/backups/backuping/backuper_test.go

@@ -1,4 +1,4 @@
-package backups
+package backuping
 
 import (
 	"context"
@@ -7,18 +7,16 @@ import (
 	"testing"
 	"time"
 
-	"databasus-backend/internal/features/backups/backups/usecases/common"
+	common "databasus-backend/internal/features/backups/backups/common"
+	backups_core "databasus-backend/internal/features/backups/backups/core"
 	backups_config "databasus-backend/internal/features/backups/config"
 	"databasus-backend/internal/features/databases"
-	encryption_secrets "databasus-backend/internal/features/encryption/secrets"
 	"databasus-backend/internal/features/notifiers"
 	"databasus-backend/internal/features/storages"
 	users_enums "databasus-backend/internal/features/users/enums"
 	users_testing "databasus-backend/internal/features/users/testing"
-	workspaces_services "databasus-backend/internal/features/workspaces/services"
 	workspaces_testing "databasus-backend/internal/features/workspaces/testing"
-	"databasus-backend/internal/util/encryption"
-	"databasus-backend/internal/util/logger"
+	cache_utils "databasus-backend/internal/util/cache"
 
 	"github.com/google/uuid"
 	"github.com/stretchr/testify/assert"
@@ -26,6 +24,7 @@ import (
 )
 
 func Test_BackupExecuted_NotificationSent(t *testing.T) {
+	cache_utils.ClearAllCache()
 	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
 	router := CreateTestRouter()
 	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", user, router)
@@ -50,22 +49,19 @@ func Test_BackupExecuted_NotificationSent(t *testing.T) {
 
 	t.Run("BackupFailed_FailNotificationSent", func(t *testing.T) {
 		mockNotificationSender := &MockNotificationSender{}
-		backupService := &BackupService{
-			databases.GetDatabaseService(),
-			storages.GetStorageService(),
-			backupRepository,
-			notifiers.GetNotifierService(),
-			mockNotificationSender,
-			backups_config.GetBackupConfigService(),
-			encryption_secrets.GetSecretKeyService(),
-			encryption.GetFieldEncryptor(),
-			&CreateFailedBackupUsecase{},
-			logger.GetLogger(),
-			[]BackupRemoveListener{},
-			workspaces_services.GetWorkspaceService(),
-			nil,
-			NewBackupContextManager(),
+		backuperNode := CreateTestBackuperNode()
+		backuperNode.notificationSender = mockNotificationSender
+		backuperNode.createBackupUseCase = &CreateFailedBackupUsecase{}
+
+		// Create a backup record directly that will be looked up by MakeBackup
+		backup := &backups_core.Backup{
+			DatabaseID: database.ID,
+			StorageID:  storage.ID,
+			Status:     backups_core.BackupStatusInProgress,
+			CreatedAt:  time.Now().UTC(),
 		}
+		err := backupRepository.Save(backup)
+		assert.NoError(t, err)
 
 		// Set up expectations
 		mockNotificationSender.On("SendNotification",
@@ -78,7 +74,7 @@ func Test_BackupExecuted_NotificationSent(t *testing.T) {
 			}),
 		).Once()
 
-		backupService.MakeBackup(database.ID, true)
+		backuperNode.MakeBackup(backup.ID, true)
 
 		// Verify all expectations were met
 		mockNotificationSender.AssertExpectations(t)
@@ -86,6 +82,19 @@ func Test_BackupExecuted_NotificationSent(t *testing.T) {
 
 	t.Run("BackupSuccess_SuccessNotificationSent", func(t *testing.T) {
 		mockNotificationSender := &MockNotificationSender{}
+		backuperNode := CreateTestBackuperNode()
+		backuperNode.notificationSender = mockNotificationSender
+		backuperNode.createBackupUseCase = &CreateSuccessBackupUsecase{}
+
+		// Create a backup record directly that will be looked up by MakeBackup
+		backup := &backups_core.Backup{
+			DatabaseID: database.ID,
+			StorageID:  storage.ID,
+			Status:     backups_core.BackupStatusInProgress,
+			CreatedAt:  time.Now().UTC(),
+		}
+		err := backupRepository.Save(backup)
+		assert.NoError(t, err)
 
 		// Set up expectations
 		mockNotificationSender.On("SendNotification",
@@ -98,24 +107,7 @@ func Test_BackupExecuted_NotificationSent(t *testing.T) {
 			}),
 		).Once()
 
-		backupService := &BackupService{
-			databases.GetDatabaseService(),
-			storages.GetStorageService(),
-			backupRepository,
-			notifiers.GetNotifierService(),
-			mockNotificationSender,
-			backups_config.GetBackupConfigService(),
-			encryption_secrets.GetSecretKeyService(),
-			encryption.GetFieldEncryptor(),
-			&CreateSuccessBackupUsecase{},
-			logger.GetLogger(),
-			[]BackupRemoveListener{},
-			workspaces_services.GetWorkspaceService(),
-			nil,
-			NewBackupContextManager(),
-		}
-
-		backupService.MakeBackup(database.ID, true)
+		backuperNode.MakeBackup(backup.ID, true)
 
 		// Verify all expectations were met
 		mockNotificationSender.AssertExpectations(t)
@@ -123,22 +115,19 @@ func Test_BackupExecuted_NotificationSent(t *testing.T) {
 
 	t.Run("BackupSuccess_VerifyNotificationContent", func(t *testing.T) {
 		mockNotificationSender := &MockNotificationSender{}
-		backupService := &BackupService{
-			databases.GetDatabaseService(),
-			storages.GetStorageService(),
-			backupRepository,
-			notifiers.GetNotifierService(),
-			mockNotificationSender,
-			backups_config.GetBackupConfigService(),
-			encryption_secrets.GetSecretKeyService(),
-			encryption.GetFieldEncryptor(),
-			&CreateSuccessBackupUsecase{},
-			logger.GetLogger(),
-			[]BackupRemoveListener{},
-			workspaces_services.GetWorkspaceService(),
-			nil,
-			NewBackupContextManager(),
+		backuperNode := CreateTestBackuperNode()
+		backuperNode.notificationSender = mockNotificationSender
+		backuperNode.createBackupUseCase = &CreateSuccessBackupUsecase{}
+
+		// Create a backup record directly that will be looked up by MakeBackup
+		backup := &backups_core.Backup{
+			DatabaseID: database.ID,
+			StorageID:  storage.ID,
+			Status:     backups_core.BackupStatusInProgress,
+			CreatedAt:  time.Now().UTC(),
 		}
+		err := backupRepository.Save(backup)
+		assert.NoError(t, err)
 
 		// capture arguments
 		var capturedNotifier *notifiers.Notifier
@@ -155,7 +144,7 @@ func Test_BackupExecuted_NotificationSent(t *testing.T) {
 			capturedMessage = args.Get(2).(string)
 		}).Once()
 
-		backupService.MakeBackup(database.ID, true)
+		backuperNode.MakeBackup(backup.ID, true)
 
 		// Verify expectations were met
 		mockNotificationSender.AssertExpectations(t)

backend/internal/features/backups/backups/backuping/di.go

@@ -0,0 +1,71 @@
+package backuping
+
+import (
+	"databasus-backend/internal/config"
+	backups_core "databasus-backend/internal/features/backups/backups/core"
+	"databasus-backend/internal/features/backups/backups/usecases"
+	backups_config "databasus-backend/internal/features/backups/config"
+	"databasus-backend/internal/features/databases"
+	"databasus-backend/internal/features/notifiers"
+	"databasus-backend/internal/features/storages"
+	tasks_cancellation "databasus-backend/internal/features/tasks/cancellation"
+	task_registry "databasus-backend/internal/features/tasks/registry"
+	workspaces_services "databasus-backend/internal/features/workspaces/services"
+	"databasus-backend/internal/util/encryption"
+	"databasus-backend/internal/util/logger"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+var backupRepository = &backups_core.BackupRepository{}
+
+var taskCancelManager = tasks_cancellation.GetTaskCancelManager()
+
+var nodesRegistry = task_registry.GetTaskNodesRegistry()
+
+func getNodeID() uuid.UUID {
+	nodeIDStr := config.GetEnv().NodeID
+	nodeID, err := uuid.Parse(nodeIDStr)
+	if err != nil {
+		logger.GetLogger().Error("Failed to parse node ID from config", "error", err)
+		panic(err)
+	}
+	return nodeID
+}
+
+var backuperNode = &BackuperNode{
+	databases.GetDatabaseService(),
+	encryption.GetFieldEncryptor(),
+	workspaces_services.GetWorkspaceService(),
+	backupRepository,
+	backups_config.GetBackupConfigService(),
+	storages.GetStorageService(),
+	notifiers.GetNotifierService(),
+	taskCancelManager,
+	nodesRegistry,
+	logger.GetLogger(),
+	usecases.GetCreateBackupUsecase(),
+	getNodeID(),
+	time.Time{},
+}
+
+var backupsScheduler = &BackupsScheduler{
+	backupRepository,
+	backups_config.GetBackupConfigService(),
+	storages.GetStorageService(),
+	taskCancelManager,
+	nodesRegistry,
+	time.Now().UTC(),
+	logger.GetLogger(),
+	make(map[uuid.UUID]BackupToNodeRelation),
+	backuperNode,
+}
+
+func GetBackupsScheduler() *BackupsScheduler {
+	return backupsScheduler
+}
+
+func GetBackuperNode() *BackuperNode {
+	return backuperNode
+}

backend/internal/features/backups/backups/backuping/dto.go

@@ -0,0 +1,8 @@
+package backuping
+
+import "github.com/google/uuid"
+
+type BackupToNodeRelation struct {
+	NodeID     uuid.UUID   `json:"nodeId"`
+	BackupsIDs []uuid.UUID `json:"backupsIds"`
+}

backend/internal/features/backups/backups/backuping/mocks.go

@@ -1,4 +1,4 @@
-package backups
+package backuping
 
 import (
 	"databasus-backend/internal/features/notifiers"

backend/internal/features/backups/backups/backuping/scheduler.go

@@ -0,0 +1,603 @@
+package backuping
+
+import (
+	"context"
+	"databasus-backend/internal/config"
+	backups_core "databasus-backend/internal/features/backups/backups/core"
+	backups_config "databasus-backend/internal/features/backups/config"
+	"databasus-backend/internal/features/storages"
+	task_cancellation "databasus-backend/internal/features/tasks/cancellation"
+	task_registry "databasus-backend/internal/features/tasks/registry"
+	"databasus-backend/internal/util/encryption"
+	"databasus-backend/internal/util/period"
+	"fmt"
+	"log/slog"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+const (
+	schedulerStartupDelay         = 1 * time.Minute
+	schedulerTickerInterval       = 1 * time.Minute
+	schedulerHealthcheckThreshold = 5 * time.Minute
+)
+
+type BackupsScheduler struct {
+	backupRepository    *backups_core.BackupRepository
+	backupConfigService *backups_config.BackupConfigService
+	storageService      *storages.StorageService
+	taskCancelManager   *task_cancellation.TaskCancelManager
+	tasksRegistry       *task_registry.TaskNodesRegistry
+
+	lastBackupTime time.Time
+	logger         *slog.Logger
+
+	backupToNodeRelations map[uuid.UUID]BackupToNodeRelation
+	backuperNode          *BackuperNode
+}
+
+func (s *BackupsScheduler) Run(ctx context.Context) {
+	s.lastBackupTime = time.Now().UTC()
+
+	if config.GetEnv().IsManyNodesMode {
+		// wait other nodes to start
+		time.Sleep(schedulerStartupDelay)
+	}
+
+	if err := s.failBackupsInProgress(); err != nil {
+		s.logger.Error("Failed to fail backups in progress", "error", err)
+		panic(err)
+	}
+
+	if err := s.tasksRegistry.SubscribeForTasksCompletions(s.onBackupCompleted); err != nil {
+		s.logger.Error("Failed to subscribe to backup completions", "error", err)
+		panic(err)
+	}
+	defer func() {
+		if err := s.tasksRegistry.UnsubscribeForTasksCompletions(); err != nil {
+			s.logger.Error("Failed to unsubscribe from backup completions", "error", err)
+		}
+	}()
+
+	if ctx.Err() != nil {
+		return
+	}
+
+	ticker := time.NewTicker(schedulerTickerInterval)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case <-ticker.C:
+			if err := s.cleanOldBackups(); err != nil {
+				s.logger.Error("Failed to clean old backups", "error", err)
+			}
+
+			if err := s.checkDeadNodesAndFailBackups(); err != nil {
+				s.logger.Error("Failed to check dead nodes and fail backups", "error", err)
+			}
+
+			if err := s.runPendingBackups(); err != nil {
+				s.logger.Error("Failed to run pending backups", "error", err)
+			}
+
+			s.lastBackupTime = time.Now().UTC()
+		}
+	}
+}
+
+func (s *BackupsScheduler) IsSchedulerRunning() bool {
+	// if last backup time is more than 5 minutes ago, return false
+	return s.lastBackupTime.After(time.Now().UTC().Add(-schedulerHealthcheckThreshold))
+}
+
+func (s *BackupsScheduler) failBackupsInProgress() error {
+	backupsInProgress, err := s.backupRepository.FindByStatus(backups_core.BackupStatusInProgress)
+	if err != nil {
+		return err
+	}
+
+	for _, backup := range backupsInProgress {
+		if err := s.taskCancelManager.CancelTask(backup.ID); err != nil {
+			s.logger.Error(
+				"Failed to cancel backup via task cancel manager",
+				"backupId",
+				backup.ID,
+				"error",
+				err,
+			)
+		}
+
+		backupConfig, err := s.backupConfigService.GetBackupConfigByDbId(backup.DatabaseID)
+		if err != nil {
+			s.logger.Error("Failed to get backup config by database ID", "error", err)
+			continue
+		}
+
+		failMessage := "Backup failed due to application restart"
+		backup.FailMessage = &failMessage
+		backup.Status = backups_core.BackupStatusFailed
+		backup.BackupSizeMb = 0
+
+		s.backuperNode.SendBackupNotification(
+			backupConfig,
+			backup,
+			backups_config.NotificationBackupFailed,
+			&failMessage,
+		)
+
+		if err := s.backupRepository.Save(backup); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (s *BackupsScheduler) StartBackup(databaseID uuid.UUID, isCallNotifier bool) {
+	backupConfig, err := s.backupConfigService.GetBackupConfigByDbId(databaseID)
+	if err != nil {
+		s.logger.Error("Failed to get backup config by database ID", "error", err)
+		return
+	}
+
+	if backupConfig.StorageID == nil {
+		s.logger.Error("Backup config storage ID is nil", "databaseId", databaseID)
+		return
+	}
+
+	leastBusyNodeID, err := s.calculateLeastBusyNode()
+	if err != nil {
+		s.logger.Error(
+			"Failed to calculate least busy node",
+			"databaseId",
+			backupConfig.DatabaseID,
+			"error",
+			err,
+		)
+		return
+	}
+
+	backup := &backups_core.Backup{
+		DatabaseID:   backupConfig.DatabaseID,
+		StorageID:    *backupConfig.StorageID,
+		Status:       backups_core.BackupStatusInProgress,
+		BackupSizeMb: 0,
+		CreatedAt:    time.Now().UTC(),
+	}
+
+	if err := s.backupRepository.Save(backup); err != nil {
+		s.logger.Error(
+			"Failed to save backup",
+			"databaseId",
+			backupConfig.DatabaseID,
+			"error",
+			err,
+		)
+		return
+	}
+
+	if err := s.tasksRegistry.IncrementTasksInProgress(leastBusyNodeID.String()); err != nil {
+		s.logger.Error(
+			"Failed to increment backups in progress",
+			"nodeId",
+			leastBusyNodeID,
+			"backupId",
+			backup.ID,
+			"error",
+			err,
+		)
+		return
+	}
+
+	if err := s.tasksRegistry.AssignTaskToNode(leastBusyNodeID.String(), backup.ID, isCallNotifier); err != nil {
+		s.logger.Error(
+			"Failed to submit backup",
+			"nodeId",
+			leastBusyNodeID,
+			"backupId",
+			backup.ID,
+			"error",
+			err,
+		)
+		if decrementErr := s.tasksRegistry.DecrementTasksInProgress(leastBusyNodeID.String()); decrementErr != nil {
+			s.logger.Error(
+				"Failed to decrement backups in progress after submit failure",
+				"nodeId",
+				leastBusyNodeID,
+				"error",
+				decrementErr,
+			)
+		}
+		return
+	}
+
+	if relation, exists := s.backupToNodeRelations[*leastBusyNodeID]; exists {
+		relation.BackupsIDs = append(relation.BackupsIDs, backup.ID)
+		s.backupToNodeRelations[*leastBusyNodeID] = relation
+	} else {
+		s.backupToNodeRelations[*leastBusyNodeID] = BackupToNodeRelation{
+			NodeID:     *leastBusyNodeID,
+			BackupsIDs: []uuid.UUID{backup.ID},
+		}
+	}
+
+	s.logger.Info(
+		"Successfully triggered scheduled backup",
+		"databaseId",
+		backupConfig.DatabaseID,
+		"backupId",
+		backup.ID,
+		"nodeId",
+		leastBusyNodeID,
+	)
+}
+
+// GetRemainedBackupTryCount returns the number of remaining backup tries for a given backup.
+// If the backup is not failed or the backup config does not allow retries, it returns 0.
+// If the backup is failed and the backup config allows retries, it returns the number of remaining tries.
+// If the backup is failed and the backup config does not allow retries, it returns 0.
+func (s *BackupsScheduler) GetRemainedBackupTryCount(lastBackup *backups_core.Backup) int {
+	if lastBackup == nil {
+		return 0
+	}
+
+	if lastBackup.Status != backups_core.BackupStatusFailed {
+		return 0
+	}
+
+	backupConfig, err := s.backupConfigService.GetBackupConfigByDbId(lastBackup.DatabaseID)
+	if err != nil {
+		s.logger.Error("Failed to get backup config by database ID", "error", err)
+		return 0
+	}
+
+	if !backupConfig.IsRetryIfFailed {
+		return 0
+	}
+
+	maxFailedTriesCount := backupConfig.MaxFailedTriesCount
+
+	lastBackups, err := s.backupRepository.FindByDatabaseIDWithLimit(
+		lastBackup.DatabaseID,
+		maxFailedTriesCount,
+	)
+	if err != nil {
+		s.logger.Error("Failed to find last backups by database ID", "error", err)
+		return 0
+	}
+
+	lastFailedBackups := make([]*backups_core.Backup, 0)
+
+	for _, backup := range lastBackups {
+		if backup.Status == backups_core.BackupStatusFailed {
+			lastFailedBackups = append(lastFailedBackups, backup)
+		}
+	}
+
+	return maxFailedTriesCount - len(lastFailedBackups)
+}
+
+func (s *BackupsScheduler) cleanOldBackups() error {
+	enabledBackupConfigs, err := s.backupConfigService.GetBackupConfigsWithEnabledBackups()
+	if err != nil {
+		return err
+	}
+
+	for _, backupConfig := range enabledBackupConfigs {
+		backupStorePeriod := backupConfig.StorePeriod
+
+		if backupStorePeriod == period.PeriodForever {
+			continue
+		}
+
+		storeDuration := backupStorePeriod.ToDuration()
+		dateBeforeBackupsShouldBeDeleted := time.Now().UTC().Add(-storeDuration)
+
+		oldBackups, err := s.backupRepository.FindBackupsBeforeDate(
+			backupConfig.DatabaseID,
+			dateBeforeBackupsShouldBeDeleted,
+		)
+		if err != nil {
+			s.logger.Error(
+				"Failed to find old backups for database",
+				"databaseId",
+				backupConfig.DatabaseID,
+				"error",
+				err,
+			)
+			continue
+		}
+
+		for _, backup := range oldBackups {
+			storage, err := s.storageService.GetStorageByID(backup.StorageID)
+			if err != nil {
+				s.logger.Error(
+					"Failed to get storage by ID",
+					"storageId",
+					backup.StorageID,
+					"error",
+					err,
+				)
+				continue
+			}
+
+			encryptor := encryption.GetFieldEncryptor()
+			err = storage.DeleteFile(encryptor, backup.ID)
+			if err != nil {
+				s.logger.Error("Failed to delete backup file", "backupId", backup.ID, "error", err)
+			}
+
+			if err := s.backupRepository.DeleteByID(backup.ID); err != nil {
+				s.logger.Error("Failed to delete old backup", "backupId", backup.ID, "error", err)
+				continue
+			}
+
+			s.logger.Info(
+				"Deleted old backup",
+				"backupId",
+				backup.ID,
+				"databaseId",
+				backupConfig.DatabaseID,
+			)
+		}
+	}
+
+	return nil
+}
+
+func (s *BackupsScheduler) runPendingBackups() error {
+	enabledBackupConfigs, err := s.backupConfigService.GetBackupConfigsWithEnabledBackups()
+	if err != nil {
+		return err
+	}
+
+	for _, backupConfig := range enabledBackupConfigs {
+		if backupConfig.BackupInterval == nil {
+			continue
+		}
+
+		lastBackup, err := s.backupRepository.FindLastByDatabaseID(backupConfig.DatabaseID)
+		if err != nil {
+			s.logger.Error(
+				"Failed to get last backup for database",
+				"databaseId",
+				backupConfig.DatabaseID,
+				"error",
+				err,
+			)
+			continue
+		}
+
+		var lastBackupTime *time.Time
+		if lastBackup != nil {
+			lastBackupTime = &lastBackup.CreatedAt
+		}
+
+		remainedBackupTryCount := s.GetRemainedBackupTryCount(lastBackup)
+
+		if backupConfig.BackupInterval.ShouldTriggerBackup(time.Now().UTC(), lastBackupTime) ||
+			remainedBackupTryCount > 0 {
+			s.logger.Info(
+				"Triggering scheduled backup",
+				"databaseId",
+				backupConfig.DatabaseID,
+				"intervalType",
+				backupConfig.BackupInterval.Interval,
+			)
+
+			s.StartBackup(backupConfig.DatabaseID, remainedBackupTryCount == 1)
+			continue
+		}
+	}
+
+	return nil
+}
+
+func (s *BackupsScheduler) calculateLeastBusyNode() (*uuid.UUID, error) {
+	nodes, err := s.tasksRegistry.GetAvailableNodes()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get available nodes: %w", err)
+	}
+
+	if len(nodes) == 0 {
+		return nil, fmt.Errorf("no nodes available")
+	}
+
+	stats, err := s.tasksRegistry.GetNodesStats()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get backup nodes stats: %w", err)
+	}
+
+	statsMap := make(map[uuid.UUID]int)
+	for _, stat := range stats {
+		statsMap[stat.ID] = stat.ActiveTasks
+	}
+
+	var bestNode *task_registry.TaskNode
+	var bestScore float64 = -1
+
+	for i := range nodes {
+		node := &nodes[i]
+
+		activeBackups := statsMap[node.ID]
+
+		var score float64
+		if node.ThroughputMBs > 0 {
+			score = float64(activeBackups) / float64(node.ThroughputMBs)
+		} else {
+			score = float64(activeBackups) * 1000
+		}
+
+		if bestNode == nil || score < bestScore {
+			bestNode = node
+			bestScore = score
+		}
+	}
+
+	if bestNode == nil {
+		return nil, fmt.Errorf("no suitable nodes available")
+	}
+
+	return &bestNode.ID, nil
+}
+
+func (s *BackupsScheduler) onBackupCompleted(nodeIDStr string, backupID uuid.UUID) {
+	nodeID, err := uuid.Parse(nodeIDStr)
+	if err != nil {
+		s.logger.Error(
+			"Failed to parse node ID from completion message",
+			"nodeId",
+			nodeIDStr,
+			"error",
+			err,
+		)
+		return
+	}
+
+	// Verify this task is actually a backup (registry contains multiple task types)
+	_, err = s.backupRepository.FindByID(backupID)
+	if err != nil {
+		// Not a backup task, ignore it
+		return
+	}
+
+	relation, exists := s.backupToNodeRelations[nodeID]
+	if !exists {
+		s.logger.Warn(
+			"Received completion for unknown node",
+			"nodeId",
+			nodeID,
+			"backupId",
+			backupID,
+		)
+		return
+	}
+
+	newBackupIDs := make([]uuid.UUID, 0)
+	found := false
+	for _, id := range relation.BackupsIDs {
+		if id == backupID {
+			found = true
+			continue
+		}
+		newBackupIDs = append(newBackupIDs, id)
+	}
+
+	if !found {
+		s.logger.Warn(
+			"Backup not found in node's backup list",
+			"nodeId",
+			nodeID,
+			"backupId",
+			backupID,
+		)
+		return
+	}
+
+	if len(newBackupIDs) == 0 {
+		delete(s.backupToNodeRelations, nodeID)
+	} else {
+		relation.BackupsIDs = newBackupIDs
+		s.backupToNodeRelations[nodeID] = relation
+	}
+
+	if err := s.tasksRegistry.DecrementTasksInProgress(nodeIDStr); err != nil {
+		s.logger.Error(
+			"Failed to decrement backups in progress",
+			"nodeId",
+			nodeID,
+			"backupId",
+			backupID,
+			"error",
+			err,
+		)
+	}
+}
+
+func (s *BackupsScheduler) checkDeadNodesAndFailBackups() error {
+	nodes, err := s.tasksRegistry.GetAvailableNodes()
+	if err != nil {
+		return fmt.Errorf("failed to get available nodes: %w", err)
+	}
+
+	aliveNodeIDs := make(map[uuid.UUID]bool)
+	for _, node := range nodes {
+		aliveNodeIDs[node.ID] = true
+	}
+
+	for nodeID, relation := range s.backupToNodeRelations {
+		if aliveNodeIDs[nodeID] {
+			continue
+		}
+
+		s.logger.Warn(
+			"Node is dead, failing its backups",
+			"nodeId",
+			nodeID,
+			"backupCount",
+			len(relation.BackupsIDs),
+		)
+
+		for _, backupID := range relation.BackupsIDs {
+			backup, err := s.backupRepository.FindByID(backupID)
+			if err != nil {
+				s.logger.Error(
+					"Failed to find backup for dead node",
+					"nodeId",
+					nodeID,
+					"backupId",
+					backupID,
+					"error",
+					err,
+				)
+				continue
+			}
+
+			failMessage := "Backup failed due to node unavailability"
+			backup.FailMessage = &failMessage
+			backup.Status = backups_core.BackupStatusFailed
+			backup.BackupSizeMb = 0
+
+			if err := s.backupRepository.Save(backup); err != nil {
+				s.logger.Error(
+					"Failed to save failed backup for dead node",
+					"nodeId",
+					nodeID,
+					"backupId",
+					backupID,
+					"error",
+					err,
+				)
+				continue
+			}
+
+			if err := s.tasksRegistry.DecrementTasksInProgress(nodeID.String()); err != nil {
+				s.logger.Error(
+					"Failed to decrement backups in progress for dead node",
+					"nodeId",
+					nodeID,
+					"backupId",
+					backupID,
+					"error",
+					err,
+				)
+			}
+
+			s.logger.Info(
+				"Failed backup due to dead node",
+				"nodeId",
+				nodeID,
+				"backupId",
+				backupID,
+			)
+		}
+
+		delete(s.backupToNodeRelations, nodeID)
+	}
+
+	return nil
+}

backend/internal/features/backups/backups/backuping/testing.go

@@ -0,0 +1,280 @@
+package backuping
+
+import (
+	"context"
+	"fmt"
+	"testing"
+	"time"
+
+	backups_core "databasus-backend/internal/features/backups/backups/core"
+	"databasus-backend/internal/features/backups/backups/usecases"
+	backups_config "databasus-backend/internal/features/backups/config"
+	"databasus-backend/internal/features/databases"
+	"databasus-backend/internal/features/notifiers"
+	"databasus-backend/internal/features/storages"
+	task_registry "databasus-backend/internal/features/tasks/registry"
+	workspaces_controllers "databasus-backend/internal/features/workspaces/controllers"
+	workspaces_services "databasus-backend/internal/features/workspaces/services"
+	workspaces_testing "databasus-backend/internal/features/workspaces/testing"
+	"databasus-backend/internal/util/encryption"
+	"databasus-backend/internal/util/logger"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+)
+
+func CreateTestRouter() *gin.Engine {
+	router := workspaces_testing.CreateTestRouter(
+		workspaces_controllers.GetWorkspaceController(),
+		workspaces_controllers.GetMembershipController(),
+		databases.GetDatabaseController(),
+		backups_config.GetBackupConfigController(),
+	)
+
+	return router
+}
+
+func CreateTestBackuperNode() *BackuperNode {
+	return &BackuperNode{
+		databases.GetDatabaseService(),
+		encryption.GetFieldEncryptor(),
+		workspaces_services.GetWorkspaceService(),
+		backupRepository,
+		backups_config.GetBackupConfigService(),
+		storages.GetStorageService(),
+		notifiers.GetNotifierService(),
+		taskCancelManager,
+		nodesRegistry,
+		logger.GetLogger(),
+		usecases.GetCreateBackupUsecase(),
+		uuid.New(),
+		time.Time{},
+	}
+}
+
+// WaitForBackupCompletion waits for a new backup to be created and completed (or failed)
+// for the given database. It checks for backups with count greater than expectedInitialCount.
+func WaitForBackupCompletion(
+	t *testing.T,
+	databaseID uuid.UUID,
+	expectedInitialCount int,
+	timeout time.Duration,
+) {
+	deadline := time.Now().UTC().Add(timeout)
+
+	for time.Now().UTC().Before(deadline) {
+		backups, err := backupRepository.FindByDatabaseID(databaseID)
+		if err != nil {
+			t.Logf("WaitForBackupCompletion: error finding backups: %v", err)
+			time.Sleep(50 * time.Millisecond)
+			continue
+		}
+
+		t.Logf(
+			"WaitForBackupCompletion: found %d backups (expected > %d)",
+			len(backups),
+			expectedInitialCount,
+		)
+
+		if len(backups) > expectedInitialCount {
+			// Check if the newest backup has completed or failed
+			newestBackup := backups[0]
+			t.Logf("WaitForBackupCompletion: newest backup status: %s", newestBackup.Status)
+
+			if newestBackup.Status == backups_core.BackupStatusCompleted ||
+				newestBackup.Status == backups_core.BackupStatusFailed ||
+				newestBackup.Status == backups_core.BackupStatusCanceled {
+				t.Logf(
+					"WaitForBackupCompletion: backup finished with status %s",
+					newestBackup.Status,
+				)
+				return
+			}
+		}
+
+		time.Sleep(50 * time.Millisecond)
+	}
+
+	t.Logf("WaitForBackupCompletion: timeout waiting for backup to complete")
+}
+
+// StartBackuperNodeForTest starts a BackuperNode in a goroutine for testing.
+// The node registers itself in the registry and subscribes to backup assignments.
+// Returns a context cancel function that should be deferred to stop the node.
+func StartBackuperNodeForTest(t *testing.T, backuperNode *BackuperNode) context.CancelFunc {
+	ctx, cancel := context.WithCancel(context.Background())
+
+	done := make(chan struct{})
+
+	go func() {
+		backuperNode.Run(ctx)
+		close(done)
+	}()
+
+	// Poll registry for node presence instead of fixed sleep
+	deadline := time.Now().UTC().Add(5 * time.Second)
+	for time.Now().UTC().Before(deadline) {
+		nodes, err := nodesRegistry.GetAvailableNodes()
+		if err == nil {
+			for _, node := range nodes {
+				if node.ID == backuperNode.nodeID {
+					t.Logf("BackuperNode registered in registry: %s", backuperNode.nodeID)
+
+					return func() {
+						cancel()
+						select {
+						case <-done:
+							t.Log("BackuperNode stopped gracefully")
+						case <-time.After(2 * time.Second):
+							t.Log("BackuperNode stop timeout")
+						}
+					}
+				}
+			}
+		}
+		time.Sleep(50 * time.Millisecond)
+	}
+
+	t.Fatalf("BackuperNode failed to register in registry within timeout")
+	return nil
+}
+
+// StartSchedulerForTest starts the BackupsScheduler in a goroutine for testing.
+// The scheduler subscribes to task completions and manages backup lifecycle.
+// Returns a context cancel function that should be deferred to stop the scheduler.
+func StartSchedulerForTest(t *testing.T) context.CancelFunc {
+	ctx, cancel := context.WithCancel(context.Background())
+
+	done := make(chan struct{})
+
+	go func() {
+		GetBackupsScheduler().Run(ctx)
+		close(done)
+	}()
+
+	// Give scheduler time to subscribe to completions
+	time.Sleep(100 * time.Millisecond)
+	t.Log("BackupsScheduler started")
+
+	return func() {
+		cancel()
+		select {
+		case <-done:
+			t.Log("BackupsScheduler stopped gracefully")
+		case <-time.After(2 * time.Second):
+			t.Log("BackupsScheduler stop timeout")
+		}
+	}
+}
+
+// StopBackuperNodeForTest stops the BackuperNode by canceling its context.
+// It waits for the node to unregister from the registry.
+func StopBackuperNodeForTest(t *testing.T, cancel context.CancelFunc, backuperNode *BackuperNode) {
+	cancel()
+
+	// Wait for node to unregister from registry
+	deadline := time.Now().UTC().Add(2 * time.Second)
+	for time.Now().UTC().Before(deadline) {
+		nodes, err := nodesRegistry.GetAvailableNodes()
+		if err == nil {
+			found := false
+			for _, node := range nodes {
+				if node.ID == backuperNode.nodeID {
+					found = true
+					break
+				}
+			}
+			if !found {
+				t.Logf("BackuperNode unregistered from registry: %s", backuperNode.nodeID)
+				return
+			}
+		}
+		time.Sleep(50 * time.Millisecond)
+	}
+
+	t.Logf("BackuperNode stop completed for %s", backuperNode.nodeID)
+}
+
+func CreateMockNodeInRegistry(nodeID uuid.UUID, throughputMBs int, lastHeartbeat time.Time) error {
+	backupNode := task_registry.TaskNode{
+		ID:            nodeID,
+		ThroughputMBs: throughputMBs,
+		LastHeartbeat: lastHeartbeat,
+	}
+
+	return nodesRegistry.HearthbeatNodeInRegistry(lastHeartbeat, backupNode)
+}
+
+func UpdateNodeHeartbeatDirectly(
+	nodeID uuid.UUID,
+	throughputMBs int,
+	lastHeartbeat time.Time,
+) error {
+	backupNode := task_registry.TaskNode{
+		ID:            nodeID,
+		ThroughputMBs: throughputMBs,
+		LastHeartbeat: lastHeartbeat,
+	}
+
+	return nodesRegistry.HearthbeatNodeInRegistry(lastHeartbeat, backupNode)
+}
+
+func GetNodeFromRegistry(nodeID uuid.UUID) (*task_registry.TaskNode, error) {
+	nodes, err := nodesRegistry.GetAvailableNodes()
+	if err != nil {
+		return nil, err
+	}
+
+	for _, node := range nodes {
+		if node.ID == nodeID {
+			return &node, nil
+		}
+	}
+
+	return nil, fmt.Errorf("node not found")
+}
+
+// WaitForActiveTasksDecrease waits for the active task count to decrease below the initial count.
+// It polls the registry every 500ms until the count decreases or the timeout is reached.
+// Returns true if the count decreased, false if timeout was reached.
+func WaitForActiveTasksDecrease(
+	t *testing.T,
+	nodeID uuid.UUID,
+	initialCount int,
+	timeout time.Duration,
+) bool {
+	deadline := time.Now().UTC().Add(timeout)
+
+	for time.Now().UTC().Before(deadline) {
+		stats, err := nodesRegistry.GetNodesStats()
+		if err != nil {
+			t.Logf("WaitForActiveTasksDecrease: error getting node stats: %v", err)
+			time.Sleep(500 * time.Millisecond)
+			continue
+		}
+
+		for _, stat := range stats {
+			if stat.ID == nodeID {
+				t.Logf(
+					"WaitForActiveTasksDecrease: current active tasks = %d (initial = %d)",
+					stat.ActiveTasks,
+					initialCount,
+				)
+				if stat.ActiveTasks < initialCount {
+					t.Logf(
+						"WaitForActiveTasksDecrease: active tasks decreased from %d to %d",
+						initialCount,
+						stat.ActiveTasks,
+					)
+					return true
+				}
+				break
+			}
+		}
+
+		time.Sleep(500 * time.Millisecond)
+	}
+
+	t.Logf("WaitForActiveTasksDecrease: timeout waiting for active tasks to decrease")
+	return false
+}

backend/internal/features/backups/backups/common/dto.go

@@ -0,0 +1,17 @@
+package common
+
+import backups_config "databasus-backend/internal/features/backups/config"
+
+type BackupType string
+
+const (
+	BackupTypeDefault   BackupType = "DEFAULT"   // For MySQL, MongoDB, PostgreSQL legacy (-Fc)
+	BackupTypeDirectory BackupType = "DIRECTORY" // PostgreSQL directory type (-Fd)
+)
+
+type BackupMetadata struct {
+	EncryptionSalt *string
+	EncryptionIV   *string
+	Encryption     backups_config.BackupEncryption
+	Type           BackupType
+}

backend/internal/features/backups/backups/controller.go

@@ -1,11 +1,15 @@
 package backups
 
 import (
+	"context"
+	backups_core "databasus-backend/internal/features/backups/backups/core"
+	backups_download "databasus-backend/internal/features/backups/backups/download"
 	"databasus-backend/internal/features/databases"
 	users_middleware "databasus-backend/internal/features/users/middleware"
 	"fmt"
 	"io"
 	"net/http"
+	"time"
 
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
@@ -18,11 +22,17 @@ type BackupController struct {
 func (c *BackupController) RegisterRoutes(router *gin.RouterGroup) {
 	router.GET("/backups", c.GetBackups)
 	router.POST("/backups", c.MakeBackup)
-	router.GET("/backups/:id/file", c.GetFile)
+	router.POST("/backups/:id/download-token", c.GenerateDownloadToken)
 	router.DELETE("/backups/:id", c.DeleteBackup)
 	router.POST("/backups/:id/cancel", c.CancelBackup)
 }
 
+// RegisterPublicRoutes registers routes that don't require Bearer authentication
+// (they have their own authentication mechanisms like download tokens)
+func (c *BackupController) RegisterPublicRoutes(router *gin.RouterGroup) {
+	router.GET("/backups/:id/file", c.GetFile)
+}
+
 // GetBackups
 // @Summary Get backups for a database
 // @Description Get paginated backups for the specified database
@@ -159,17 +169,17 @@ func (c *BackupController) CancelBackup(ctx *gin.Context) {
 	ctx.Status(http.StatusNoContent)
 }
 
-// GetFile
-// @Summary Download a backup file
-// @Description Download the backup file for the specified backup
+// GenerateDownloadToken
+// @Summary Generate short-lived download token
+// @Description Generate a token for downloading a backup file (valid for 5 minutes)
 // @Tags backups
 // @Param id path string true "Backup ID"
-// @Success 200 {file} file
+// @Success 200 {object} backups_download.GenerateDownloadTokenResponse
 // @Failure 400
 // @Failure 401
-// @Failure 500
-// @Router /backups/{id}/file [get]
-func (c *BackupController) GetFile(ctx *gin.Context) {
+// @Failure 409 {object} map[string]string "Download already in progress"
+// @Router /backups/{id}/download-token [post]
+func (c *BackupController) GenerateDownloadToken(ctx *gin.Context) {
 	user, ok := users_middleware.GetUserFromContext(ctx)
 	if !ok {
 		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
@@ -182,35 +192,197 @@ func (c *BackupController) GetFile(ctx *gin.Context) {
 		return
 	}
 
-	fileReader, dbType, err := c.backupService.GetBackupFile(user, id)
+	response, err := c.backupService.GenerateDownloadToken(user, id)
 	if err != nil {
+		if err == backups_download.ErrDownloadAlreadyInProgress {
+			ctx.JSON(
+				http.StatusConflict,
+				gin.H{
+					"error": "Download already in progress for some of backups. Please wait until previous download completed or cancel it",
+				},
+			)
+			return
+		}
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
+
+	ctx.JSON(http.StatusOK, response)
+}
+
+// GetFile
+// @Summary Download a backup file
+// @Description Download the backup file for the specified backup using a download token.
+// @Description
+// @Description **Download Concurrency Control:**
+// @Description - Only one download per user is allowed at a time
+// @Description - If a download is already in progress, returns 409 Conflict
+// @Description - Downloads are tracked using cache with 5-second TTL and 3-second heartbeat
+// @Description - Browser cancellations automatically release the download lock
+// @Description - Server crashes are handled via automatic cache expiry (5 seconds)
+// @Tags backups
+// @Param id path string true "Backup ID"
+// @Param token query string true "Download token"
+// @Success 200 {file} file
+// @Failure 400 {object} map[string]string
+// @Failure 401 {object} map[string]string
+// @Failure 409 {object} map[string]string "Download already in progress"
+// @Failure 500 {object} map[string]string
+// @Router /backups/{id}/file [get]
+func (c *BackupController) GetFile(ctx *gin.Context) {
+	token := ctx.Query("token")
+	if token == "" {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "download token is required"})
+		return
+	}
+
+	backupIDParam := ctx.Param("id")
+	backupID, err := uuid.Parse(backupIDParam)
+	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid backup ID"})
+		return
+	}
+
+	downloadToken, rateLimiter, err := c.backupService.ValidateDownloadToken(token)
+	if err != nil {
+		if err == backups_download.ErrDownloadAlreadyInProgress {
+			ctx.JSON(
+				http.StatusConflict,
+				gin.H{
+					"error": "download already in progress for this user. Please wait until previous download completed or cancel it",
+				},
+			)
+			return
+		}
+
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid or expired download token"})
+		return
+	}
+
+	if downloadToken.BackupID != backupID {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid or expired download token"})
+		return
+	}
+
+	fileReader, backup, database, err := c.backupService.GetBackupFileWithoutAuth(
+		downloadToken.BackupID,
+	)
+	if err != nil {
+		c.backupService.UnregisterDownload(downloadToken.UserID)
+		c.backupService.ReleaseDownloadLock(downloadToken.UserID)
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	rateLimitedReader := backups_download.NewRateLimitedReader(fileReader, rateLimiter)
+
+	heartbeatCtx, cancelHeartbeat := context.WithCancel(context.Background())
 	defer func() {
-		if err := fileReader.Close(); err != nil {
+		cancelHeartbeat()
+		c.backupService.UnregisterDownload(downloadToken.UserID)
+		c.backupService.ReleaseDownloadLock(downloadToken.UserID)
+		if err := rateLimitedReader.Close(); err != nil {
 			fmt.Printf("Error closing file reader: %v\n", err)
 		}
 	}()
 
-	extension := ".dump.zst"
-	if dbType == databases.DatabaseTypeMysql {
-		extension = ".sql.zst"
+	go c.startDownloadHeartbeat(heartbeatCtx, downloadToken.UserID)
+
+	filename := c.generateBackupFilename(backup, database)
+
+	if backup.BackupSizeMb > 0 {
+		sizeBytes := int64(backup.BackupSizeMb * 1024 * 1024)
+		ctx.Header("Content-Length", fmt.Sprintf("%d", sizeBytes))
 	}
 
 	ctx.Header("Content-Type", "application/octet-stream")
 	ctx.Header(
 		"Content-Disposition",
-		fmt.Sprintf("attachment; filename=\"backup_%s%s\"", id.String(), extension),
+		fmt.Sprintf("attachment; filename=\"%s\"", filename),
 	)
 
-	_, err = io.Copy(ctx.Writer, fileReader)
+	_, err = io.Copy(ctx.Writer, rateLimitedReader)
 	if err != nil {
-		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "failed to stream file"})
+		fmt.Printf("Error streaming file: %v\n", err)
 		return
 	}
+
+	c.backupService.WriteAuditLogForDownload(downloadToken.UserID, backup, database)
 }
 
 type MakeBackupRequest struct {
 	DatabaseID uuid.UUID `json:"database_id" binding:"required"`
 }
+
+func (c *BackupController) generateBackupFilename(
+	backup *backups_core.Backup,
+	database *databases.Database,
+) string {
+	// Format timestamp as YYYY-MM-DD_HH-mm-ss
+	timestamp := backup.CreatedAt.Format("2006-01-02_15-04-05")
+
+	// Sanitize database name for filename (replace spaces and special chars)
+	safeName := sanitizeFilename(database.Name)
+
+	// Determine extension based on database type
+	extension := c.getBackupExtension(database.Type)
+
+	return fmt.Sprintf("%s_backup_%s%s", safeName, timestamp, extension)
+}
+
+func (c *BackupController) getBackupExtension(
+	dbType databases.DatabaseType,
+) string {
+	switch dbType {
+	case databases.DatabaseTypeMysql, databases.DatabaseTypeMariadb:
+		return ".sql.zst"
+	case databases.DatabaseTypePostgres:
+		// PostgreSQL custom format
+		return ".dump"
+	case databases.DatabaseTypeMongodb:
+		return ".archive"
+	default:
+		return ".backup"
+	}
+}
+
+func sanitizeFilename(name string) string {
+	// Replace characters that are invalid in filenames
+	replacer := map[rune]rune{
+		' ':  '_',
+		'/':  '-',
+		'\\': '-',
+		':':  '-',
+		'*':  '-',
+		'?':  '-',
+		'"':  '-',
+		'<':  '-',
+		'>':  '-',
+		'|':  '-',
+	}
+
+	result := make([]rune, 0, len(name))
+	for _, char := range name {
+		if replacement, exists := replacer[char]; exists {
+			result = append(result, replacement)
+		} else {
+			result = append(result, char)
+		}
+	}
+
+	return string(result)
+}
+
+func (c *BackupController) startDownloadHeartbeat(ctx context.Context, userID uuid.UUID) {
+	ticker := time.NewTicker(backups_download.GetDownloadHeartbeatInterval())
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case <-ticker.C:
+			c.backupService.RefreshDownloadLock(userID)
+		}
+	}
+}

backend/internal/features/backups/backups/core/enums.go

@@ -1,4 +1,4 @@
-package backups
+package backups_core
 
 type BackupStatus string
 

backend/internal/features/backups/backups/core/interfaces.go

@@ -1,9 +1,9 @@
-package backups
+package backups_core
 
 import (
 	"context"
 
-	usecases_common "databasus-backend/internal/features/backups/backups/usecases/common"
+	usecases_common "databasus-backend/internal/features/backups/backups/common"
 	backups_config "databasus-backend/internal/features/backups/config"
 	"databasus-backend/internal/features/databases"
 	"databasus-backend/internal/features/notifiers"

backend/internal/features/backups/backups/core/model.go

@@ -1,4 +1,4 @@
-package backups
+package backups_core
 
 import (
 	backups_config "databasus-backend/internal/features/backups/config"

backend/internal/features/backups/backups/core/repository.go

@@ -1,4 +1,4 @@
-package backups
+package backups_core
 
 import (
 	"databasus-backend/internal/storage"

backend/internal/features/backups/backups/di.go

@@ -1,61 +1,47 @@
 package backups
 
 import (
-	"time"
-
 	audit_logs "databasus-backend/internal/features/audit_logs"
+	"databasus-backend/internal/features/backups/backups/backuping"
+	backups_core "databasus-backend/internal/features/backups/backups/core"
+	backups_download "databasus-backend/internal/features/backups/backups/download"
 	"databasus-backend/internal/features/backups/backups/usecases"
 	backups_config "databasus-backend/internal/features/backups/config"
 	"databasus-backend/internal/features/databases"
 	encryption_secrets "databasus-backend/internal/features/encryption/secrets"
 	"databasus-backend/internal/features/notifiers"
 	"databasus-backend/internal/features/storages"
+	task_cancellation "databasus-backend/internal/features/tasks/cancellation"
 	workspaces_services "databasus-backend/internal/features/workspaces/services"
 	"databasus-backend/internal/util/encryption"
 	"databasus-backend/internal/util/logger"
 )
 
-var backupRepository = &BackupRepository{}
+var backupRepository = &backups_core.BackupRepository{}
 
-var backupContextManager = NewBackupContextManager()
+var taskCancelManager = task_cancellation.GetTaskCancelManager()
 
 var backupService = &BackupService{
-	databases.GetDatabaseService(),
-	storages.GetStorageService(),
-	backupRepository,
-	notifiers.GetNotifierService(),
-	notifiers.GetNotifierService(),
-	backups_config.GetBackupConfigService(),
-	encryption_secrets.GetSecretKeyService(),
-	encryption.GetFieldEncryptor(),
-	usecases.GetCreateBackupUsecase(),
-	logger.GetLogger(),
-	[]BackupRemoveListener{},
-	workspaces_services.GetWorkspaceService(),
-	audit_logs.GetAuditLogService(),
-	backupContextManager,
-}
-
-var backupBackgroundService = &BackupBackgroundService{
-	backupService,
-	backupRepository,
-	backups_config.GetBackupConfigService(),
-	storages.GetStorageService(),
-	time.Now().UTC(),
-	logger.GetLogger(),
+	databaseService:        databases.GetDatabaseService(),
+	storageService:         storages.GetStorageService(),
+	backupRepository:       backupRepository,
+	notifierService:        notifiers.GetNotifierService(),
+	notificationSender:     notifiers.GetNotifierService(),
+	backupConfigService:    backups_config.GetBackupConfigService(),
+	secretKeyService:       encryption_secrets.GetSecretKeyService(),
+	fieldEncryptor:         encryption.GetFieldEncryptor(),
+	createBackupUseCase:    usecases.GetCreateBackupUsecase(),
+	logger:                 logger.GetLogger(),
+	backupRemoveListeners:  []backups_core.BackupRemoveListener{},
+	workspaceService:       workspaces_services.GetWorkspaceService(),
+	auditLogService:        audit_logs.GetAuditLogService(),
+	taskCancelManager:      taskCancelManager,
+	downloadTokenService:   backups_download.GetDownloadTokenService(),
+	backupSchedulerService: backuping.GetBackupsScheduler(),
 }
 
 var backupController = &BackupController{
-	backupService,
-}
-
-func SetupDependencies() {
-	backups_config.
-		GetBackupConfigService().
-		SetDatabaseStorageChangeListener(backupService)
-
-	databases.GetDatabaseService().AddDbRemoveListener(backupService)
-	databases.GetDatabaseService().AddDbCopyListener(backups_config.GetBackupConfigService())
+	backupService: backupService,
 }
 
 func GetBackupService() *BackupService {
@@ -66,6 +52,11 @@ func GetBackupController() *BackupController {
 	return backupController
 }
 
-func GetBackupBackgroundService() *BackupBackgroundService {
-	return backupBackgroundService
+func SetupDependencies() {
+	backups_config.
+		GetBackupConfigService().
+		SetDatabaseStorageChangeListener(backupService)
+
+	databases.GetDatabaseService().AddDbRemoveListener(backupService)
+	databases.GetDatabaseService().AddDbCopyListener(backups_config.GetBackupConfigService())
 }

backend/internal/features/backups/backups/download/background.go

@@ -0,0 +1,34 @@
+package backups_download
+
+import (
+	"context"
+	"log/slog"
+	"time"
+)
+
+type DownloadTokenBackgroundService struct {
+	downloadTokenService *DownloadTokenService
+	logger               *slog.Logger
+}
+
+func (s *DownloadTokenBackgroundService) Run(ctx context.Context) {
+	s.logger.Info("Starting download token cleanup background service")
+
+	if ctx.Err() != nil {
+		return
+	}
+
+	ticker := time.NewTicker(1 * time.Minute)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case <-ticker.C:
+			if err := s.downloadTokenService.CleanExpiredTokens(); err != nil {
+				s.logger.Error("Failed to clean expired download tokens", "error", err)
+			}
+		}
+	}
+}

backend/internal/features/backups/backups/download/bandwidth.go

@@ -0,0 +1,81 @@
+package backups_download
+
+import (
+	"fmt"
+	"sync"
+
+	"github.com/google/uuid"
+)
+
+type BandwidthManager struct {
+	mu                        sync.RWMutex
+	activeDownloads           map[uuid.UUID]*activeDownload
+	maxTotalBytesPerSecond    int64
+	bytesPerSecondPerDownload int64
+}
+
+type activeDownload struct {
+	userID      uuid.UUID
+	rateLimiter *RateLimiter
+}
+
+func NewBandwidthManager(throughputMBs int) *BandwidthManager {
+	// Use 75% of total throughput
+	maxBytes := int64(throughputMBs) * 1024 * 1024 * 75 / 100
+
+	return &BandwidthManager{
+		activeDownloads:           make(map[uuid.UUID]*activeDownload),
+		maxTotalBytesPerSecond:    maxBytes,
+		bytesPerSecondPerDownload: maxBytes,
+	}
+}
+
+func (bm *BandwidthManager) RegisterDownload(userID uuid.UUID) (*RateLimiter, error) {
+	bm.mu.Lock()
+	defer bm.mu.Unlock()
+
+	if _, exists := bm.activeDownloads[userID]; exists {
+		return nil, fmt.Errorf("download already registered for user %s", userID)
+	}
+
+	rateLimiter := NewRateLimiter(bm.bytesPerSecondPerDownload)
+
+	bm.activeDownloads[userID] = &activeDownload{
+		userID:      userID,
+		rateLimiter: rateLimiter,
+	}
+
+	bm.recalculateRates()
+
+	return rateLimiter, nil
+}
+
+func (bm *BandwidthManager) UnregisterDownload(userID uuid.UUID) {
+	bm.mu.Lock()
+	defer bm.mu.Unlock()
+
+	delete(bm.activeDownloads, userID)
+	bm.recalculateRates()
+}
+
+func (bm *BandwidthManager) GetActiveDownloadCount() int {
+	bm.mu.RLock()
+	defer bm.mu.RUnlock()
+	return len(bm.activeDownloads)
+}
+
+func (bm *BandwidthManager) recalculateRates() {
+	activeCount := len(bm.activeDownloads)
+
+	if activeCount == 0 {
+		bm.bytesPerSecondPerDownload = bm.maxTotalBytesPerSecond
+		return
+	}
+
+	newRate := bm.maxTotalBytesPerSecond / int64(activeCount)
+	bm.bytesPerSecondPerDownload = newRate
+
+	for _, download := range bm.activeDownloads {
+		download.rateLimiter.UpdateRate(newRate)
+	}
+}

backend/internal/features/backups/backups/download/bandwidth_test.go

@@ -0,0 +1,150 @@
+package backups_download
+
+import (
+	"testing"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_BandwidthManager_RegisterSingleDownload(t *testing.T) {
+	throughputMBs := 100
+	manager := NewBandwidthManager(throughputMBs)
+
+	expectedBytesPerSec := int64(100 * 1024 * 1024 * 75 / 100)
+	assert.Equal(t, expectedBytesPerSec, manager.maxTotalBytesPerSecond)
+	assert.Equal(t, expectedBytesPerSec, manager.bytesPerSecondPerDownload)
+
+	userID := uuid.New()
+	rateLimiter, err := manager.RegisterDownload(userID)
+	assert.NoError(t, err)
+	assert.NotNil(t, rateLimiter)
+
+	assert.Equal(t, 1, manager.GetActiveDownloadCount())
+	assert.Equal(t, expectedBytesPerSec, manager.bytesPerSecondPerDownload)
+	assert.Equal(t, expectedBytesPerSec, rateLimiter.bytesPerSecond)
+}
+
+func Test_BandwidthManager_RegisterMultipleDownloads_BandwidthShared(t *testing.T) {
+	throughputMBs := 100
+	manager := NewBandwidthManager(throughputMBs)
+
+	maxBytes := int64(100 * 1024 * 1024 * 75 / 100)
+
+	user1 := uuid.New()
+	rateLimiter1, err := manager.RegisterDownload(user1)
+	assert.NoError(t, err)
+	assert.Equal(t, maxBytes, rateLimiter1.bytesPerSecond)
+
+	user2 := uuid.New()
+	rateLimiter2, err := manager.RegisterDownload(user2)
+	assert.NoError(t, err)
+
+	expectedPerDownload := maxBytes / 2
+	assert.Equal(t, expectedPerDownload, manager.bytesPerSecondPerDownload)
+	assert.Equal(t, expectedPerDownload, rateLimiter1.bytesPerSecond)
+	assert.Equal(t, expectedPerDownload, rateLimiter2.bytesPerSecond)
+	assert.Equal(t, expectedPerDownload, rateLimiter2.bytesPerSecond)
+
+	user3 := uuid.New()
+	rateLimiter3, err := manager.RegisterDownload(user3)
+	assert.NoError(t, err)
+
+	expectedPerDownload = maxBytes / 3
+	assert.Equal(t, expectedPerDownload, manager.bytesPerSecondPerDownload)
+	assert.Equal(t, expectedPerDownload, rateLimiter1.bytesPerSecond)
+	assert.Equal(t, expectedPerDownload, rateLimiter2.bytesPerSecond)
+	assert.Equal(t, expectedPerDownload, rateLimiter3.bytesPerSecond)
+	assert.Equal(t, 3, manager.GetActiveDownloadCount())
+}
+
+func Test_BandwidthManager_UnregisterDownload_BandwidthRebalanced(t *testing.T) {
+	throughputMBs := 100
+	manager := NewBandwidthManager(throughputMBs)
+
+	maxBytes := int64(100 * 1024 * 1024 * 75 / 100)
+
+	user1 := uuid.New()
+	rateLimiter1, _ := manager.RegisterDownload(user1)
+
+	user2 := uuid.New()
+	_, _ = manager.RegisterDownload(user2)
+
+	user3 := uuid.New()
+	rateLimiter3, _ := manager.RegisterDownload(user3)
+
+	assert.Equal(t, 3, manager.GetActiveDownloadCount())
+	expectedPerDownload := maxBytes / 3
+	assert.Equal(t, expectedPerDownload, rateLimiter1.bytesPerSecond)
+
+	manager.UnregisterDownload(user2)
+
+	assert.Equal(t, 2, manager.GetActiveDownloadCount())
+	expectedPerDownload = maxBytes / 2
+	assert.Equal(t, expectedPerDownload, manager.bytesPerSecondPerDownload)
+	assert.Equal(t, expectedPerDownload, rateLimiter1.bytesPerSecond)
+	assert.Equal(t, expectedPerDownload, rateLimiter3.bytesPerSecond)
+
+	manager.UnregisterDownload(user1)
+
+	assert.Equal(t, 1, manager.GetActiveDownloadCount())
+	assert.Equal(t, maxBytes, manager.bytesPerSecondPerDownload)
+	assert.Equal(t, maxBytes, rateLimiter3.bytesPerSecond)
+
+	manager.UnregisterDownload(user3)
+	assert.Equal(t, 0, manager.GetActiveDownloadCount())
+	assert.Equal(t, maxBytes, manager.bytesPerSecondPerDownload)
+}
+
+func Test_BandwidthManager_RegisterDuplicateUser_ReturnsError(t *testing.T) {
+	manager := NewBandwidthManager(100)
+
+	userID := uuid.New()
+	_, err := manager.RegisterDownload(userID)
+	assert.NoError(t, err)
+
+	_, err = manager.RegisterDownload(userID)
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "download already registered")
+}
+
+func Test_RateLimiter_TokenBucketBasic(t *testing.T) {
+	bytesPerSec := int64(1024 * 1024)
+	limiter := NewRateLimiter(bytesPerSec)
+
+	assert.Equal(t, bytesPerSec, limiter.bytesPerSecond)
+	assert.Equal(t, bytesPerSec*2, limiter.bucketSize)
+
+	start := time.Now()
+	limiter.Wait(512 * 1024)
+	elapsed := time.Since(start)
+
+	assert.Less(t, elapsed, 100*time.Millisecond)
+}
+
+func Test_RateLimiter_UpdateRate(t *testing.T) {
+	limiter := NewRateLimiter(1024 * 1024)
+
+	assert.Equal(t, int64(1024*1024), limiter.bytesPerSecond)
+
+	newRate := int64(2 * 1024 * 1024)
+	limiter.UpdateRate(newRate)
+
+	assert.Equal(t, newRate, limiter.bytesPerSecond)
+	assert.Equal(t, newRate*2, limiter.bucketSize)
+}
+
+func Test_RateLimiter_ThrottlesCorrectly(t *testing.T) {
+	bytesPerSec := int64(1024 * 1024)
+	limiter := NewRateLimiter(bytesPerSec)
+
+	limiter.availableTokens = 0
+
+	start := time.Now()
+	limiter.Wait(bytesPerSec / 2)
+	elapsed := time.Since(start)
+
+	assert.GreaterOrEqual(t, elapsed, 400*time.Millisecond)
+	assert.LessOrEqual(t, elapsed, 700*time.Millisecond)
+}

backend/internal/features/backups/backups/download/di.go

@@ -0,0 +1,48 @@
+package backups_download
+
+import (
+	"databasus-backend/internal/config"
+	cache_utils "databasus-backend/internal/util/cache"
+	"databasus-backend/internal/util/logger"
+)
+
+var downloadTokenRepository = &DownloadTokenRepository{}
+
+var downloadTracker = NewDownloadTracker(cache_utils.GetValkeyClient())
+
+var bandwidthManager *BandwidthManager
+var downloadTokenService *DownloadTokenService
+var downloadTokenBackgroundService *DownloadTokenBackgroundService
+
+func init() {
+	env := config.GetEnv()
+	throughputMBs := env.NodeNetworkThroughputMBs
+	if throughputMBs == 0 {
+		throughputMBs = 125
+	}
+	bandwidthManager = NewBandwidthManager(throughputMBs)
+
+	downloadTokenService = &DownloadTokenService{
+		downloadTokenRepository,
+		logger.GetLogger(),
+		downloadTracker,
+		bandwidthManager,
+	}
+
+	downloadTokenBackgroundService = &DownloadTokenBackgroundService{
+		downloadTokenService,
+		logger.GetLogger(),
+	}
+}
+
+func GetDownloadTokenService() *DownloadTokenService {
+	return downloadTokenService
+}
+
+func GetDownloadTokenBackgroundService() *DownloadTokenBackgroundService {
+	return downloadTokenBackgroundService
+}
+
+func GetBandwidthManager() *BandwidthManager {
+	return bandwidthManager
+}

backend/internal/features/backups/backups/download/dto.go

@@ -0,0 +1,9 @@
+package backups_download
+
+import "github.com/google/uuid"
+
+type GenerateDownloadTokenResponse struct {
+	Token    string    `json:"token"`
+	Filename string    `json:"filename"`
+	BackupID uuid.UUID `json:"backupId"`
+}

backend/internal/features/backups/backups/download/model.go

@@ -0,0 +1,21 @@
+package backups_download
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type DownloadToken struct {
+	ID        uuid.UUID `json:"id"        gorm:"column:id;primaryKey"`
+	Token     string    `json:"token"     gorm:"column:token;uniqueIndex;not null"`
+	BackupID  uuid.UUID `json:"backupId"  gorm:"column:backup_id;not null"`
+	UserID    uuid.UUID `json:"userId"    gorm:"column:user_id;not null"`
+	ExpiresAt time.Time `json:"expiresAt" gorm:"column:expires_at;not null"`
+	Used      bool      `json:"used"      gorm:"column:used;not null;default:false"`
+	CreatedAt time.Time `json:"createdAt" gorm:"column:created_at;not null"`
+}
+
+func (DownloadToken) TableName() string {
+	return "download_tokens"
+}

backend/internal/features/backups/backups/download/rate_limiter.go

@@ -0,0 +1,101 @@
+package backups_download
+
+import (
+	"io"
+	"sync"
+	"time"
+)
+
+type RateLimiter struct {
+	mu              sync.Mutex
+	bytesPerSecond  int64
+	bucketSize      int64
+	availableTokens float64
+	lastRefill      time.Time
+}
+
+func NewRateLimiter(bytesPerSecond int64) *RateLimiter {
+	if bytesPerSecond <= 0 {
+		bytesPerSecond = 1024 * 1024 * 100
+	}
+
+	return &RateLimiter{
+		bytesPerSecond:  bytesPerSecond,
+		bucketSize:      bytesPerSecond * 2,
+		availableTokens: float64(bytesPerSecond * 2),
+		lastRefill:      time.Now().UTC(),
+	}
+}
+
+func (rl *RateLimiter) UpdateRate(bytesPerSecond int64) {
+	rl.mu.Lock()
+	defer rl.mu.Unlock()
+
+	if bytesPerSecond <= 0 {
+		bytesPerSecond = 1024 * 1024 * 100
+	}
+
+	rl.bytesPerSecond = bytesPerSecond
+	rl.bucketSize = bytesPerSecond * 2
+
+	if rl.availableTokens > float64(rl.bucketSize) {
+		rl.availableTokens = float64(rl.bucketSize)
+	}
+}
+
+func (rl *RateLimiter) Wait(bytes int64) {
+	rl.mu.Lock()
+	defer rl.mu.Unlock()
+
+	for {
+		now := time.Now().UTC()
+		elapsed := now.Sub(rl.lastRefill).Seconds()
+
+		tokensToAdd := elapsed * float64(rl.bytesPerSecond)
+		rl.availableTokens += tokensToAdd
+		if rl.availableTokens > float64(rl.bucketSize) {
+			rl.availableTokens = float64(rl.bucketSize)
+		}
+		rl.lastRefill = now
+
+		if rl.availableTokens >= float64(bytes) {
+			rl.availableTokens -= float64(bytes)
+			return
+		}
+
+		tokensNeeded := float64(bytes) - rl.availableTokens
+		waitTime := time.Duration(tokensNeeded/float64(rl.bytesPerSecond)*1000) * time.Millisecond
+
+		if waitTime < time.Millisecond {
+			waitTime = time.Millisecond
+		}
+
+		rl.mu.Unlock()
+		time.Sleep(waitTime)
+		rl.mu.Lock()
+	}
+}
+
+type RateLimitedReader struct {
+	reader      io.ReadCloser
+	rateLimiter *RateLimiter
+}
+
+func NewRateLimitedReader(reader io.ReadCloser, limiter *RateLimiter) *RateLimitedReader {
+	return &RateLimitedReader{
+		reader:      reader,
+		rateLimiter: limiter,
+	}
+}
+
+func (r *RateLimitedReader) Read(p []byte) (n int, err error) {
+	n, err = r.reader.Read(p)
+	if n > 0 {
+		r.rateLimiter.Wait(int64(n))
+	}
+	return n, err
+}
+
+func (r *RateLimitedReader) Close() error {
+	return r.reader.Close()
+}

backend/internal/features/backups/backups/download/repository.go

@@ -0,0 +1,60 @@
+package backups_download
+
+import (
+	"crypto/rand"
+	"databasus-backend/internal/storage"
+	"encoding/base64"
+	"time"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+type DownloadTokenRepository struct{}
+
+func (r *DownloadTokenRepository) Create(token *DownloadToken) error {
+	if token.ID == uuid.Nil {
+		token.ID = uuid.New()
+	}
+	if token.CreatedAt.IsZero() {
+		token.CreatedAt = time.Now().UTC()
+	}
+	return storage.GetDb().Create(token).Error
+}
+
+func (r *DownloadTokenRepository) FindByToken(token string) (*DownloadToken, error) {
+	var downloadToken DownloadToken
+
+	err := storage.GetDb().
+		Where("token = ?", token).
+		First(&downloadToken).Error
+
+	if err != nil {
+		if err == gorm.ErrRecordNotFound {
+			return nil, nil
+		}
+		return nil, err
+	}
+
+	return &downloadToken, nil
+}
+
+func (r *DownloadTokenRepository) Update(token *DownloadToken) error {
+	return storage.GetDb().Save(token).Error
+}
+
+func (r *DownloadTokenRepository) DeleteExpired(before time.Time) error {
+	return storage.GetDb().
+		Where("expires_at < ?", before).
+		Delete(&DownloadToken{}).Error
+}
+
+func GenerateSecureToken() string {
+	b := make([]byte, 32)
+
+	if _, err := rand.Read(b); err != nil {
+		panic("failed to generate secure random token: " + err.Error())
+	}
+
+	return base64.URLEncoding.EncodeToString(b)
+}

backend/internal/features/backups/backups/download/service.go

@@ -0,0 +1,105 @@
+package backups_download
+
+import (
+	"errors"
+	"log/slog"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type DownloadTokenService struct {
+	repository       *DownloadTokenRepository
+	logger           *slog.Logger
+	downloadTracker  *DownloadTracker
+	bandwidthManager *BandwidthManager
+}
+
+func (s *DownloadTokenService) Generate(backupID, userID uuid.UUID) (string, error) {
+	if s.downloadTracker.IsDownloadInProgress(userID) {
+		return "", ErrDownloadAlreadyInProgress
+	}
+
+	token := GenerateSecureToken()
+
+	downloadToken := &DownloadToken{
+		Token:     token,
+		BackupID:  backupID,
+		UserID:    userID,
+		ExpiresAt: time.Now().UTC().Add(5 * time.Minute),
+		Used:      false,
+	}
+
+	if err := s.repository.Create(downloadToken); err != nil {
+		return "", err
+	}
+
+	s.logger.Info("Generated download token", "backupId", backupID, "userId", userID)
+	return token, nil
+}
+
+func (s *DownloadTokenService) ValidateAndConsume(
+	token string,
+) (*DownloadToken, *RateLimiter, error) {
+	dt, err := s.repository.FindByToken(token)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	if dt == nil {
+		return nil, nil, errors.New("invalid token")
+	}
+
+	if dt.Used {
+		return nil, nil, errors.New("token already used")
+	}
+
+	if time.Now().UTC().After(dt.ExpiresAt) {
+		return nil, nil, errors.New("token expired")
+	}
+
+	if err := s.downloadTracker.AcquireDownloadLock(dt.UserID); err != nil {
+		return nil, nil, err
+	}
+
+	rateLimiter, err := s.bandwidthManager.RegisterDownload(dt.UserID)
+	if err != nil {
+		s.downloadTracker.ReleaseDownloadLock(dt.UserID)
+		return nil, nil, err
+	}
+
+	dt.Used = true
+	if err := s.repository.Update(dt); err != nil {
+		s.logger.Error("Failed to mark token as used", "error", err)
+	}
+
+	s.logger.Info("Token validated and consumed", "backupId", dt.BackupID, "userId", dt.UserID)
+	return dt, rateLimiter, nil
+}
+
+func (s *DownloadTokenService) RefreshDownloadLock(userID uuid.UUID) {
+	s.downloadTracker.RefreshDownloadLock(userID)
+}
+
+func (s *DownloadTokenService) ReleaseDownloadLock(userID uuid.UUID) {
+	s.downloadTracker.ReleaseDownloadLock(userID)
+	s.logger.Info("Released download lock", "userId", userID)
+}
+
+func (s *DownloadTokenService) IsDownloadInProgress(userID uuid.UUID) bool {
+	return s.downloadTracker.IsDownloadInProgress(userID)
+}
+
+func (s *DownloadTokenService) UnregisterDownload(userID uuid.UUID) {
+	s.bandwidthManager.UnregisterDownload(userID)
+	s.logger.Info("Unregistered from bandwidth manager", "userId", userID)
+}
+
+func (s *DownloadTokenService) CleanExpiredTokens() error {
+	now := time.Now().UTC()
+	if err := s.repository.DeleteExpired(now); err != nil {
+		return err
+	}
+	s.logger.Debug("Cleaned expired download tokens")
+	return nil
+}

backend/internal/features/backups/backups/download/tracking.go

@@ -0,0 +1,66 @@
+package backups_download
+
+import (
+	cache_utils "databasus-backend/internal/util/cache"
+	"errors"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/valkey-io/valkey-go"
+)
+
+const (
+	downloadLockPrefix     = "backup_download_lock:"
+	downloadLockTTL        = 5 * time.Second
+	downloadLockValue      = "1"
+	downloadHeartbeatDelay = 3 * time.Second
+)
+
+var (
+	ErrDownloadAlreadyInProgress = errors.New("download already in progress for this user")
+)
+
+type DownloadTracker struct {
+	cache *cache_utils.CacheUtil[string]
+}
+
+func NewDownloadTracker(client valkey.Client) *DownloadTracker {
+	return &DownloadTracker{
+		cache: cache_utils.NewCacheUtil[string](client, downloadLockPrefix),
+	}
+}
+
+func (t *DownloadTracker) AcquireDownloadLock(userID uuid.UUID) error {
+	key := userID.String()
+
+	existingLock := t.cache.Get(key)
+	if existingLock != nil {
+		return ErrDownloadAlreadyInProgress
+	}
+
+	value := downloadLockValue
+	t.cache.Set(key, &value)
+
+	return nil
+}
+
+func (t *DownloadTracker) RefreshDownloadLock(userID uuid.UUID) {
+	key := userID.String()
+	value := downloadLockValue
+	t.cache.Set(key, &value)
+}
+
+func (t *DownloadTracker) ReleaseDownloadLock(userID uuid.UUID) {
+	key := userID.String()
+	t.cache.Invalidate(key)
+}
+
+func (t *DownloadTracker) IsDownloadInProgress(userID uuid.UUID) bool {
+	key := userID.String()
+	existingLock := t.cache.Get(key)
+	return existingLock != nil
+}
+
+func GetDownloadHeartbeatInterval() time.Duration {
+	return downloadHeartbeatDelay
+}

backend/internal/features/backups/backups/dto.go

@@ -1,6 +1,7 @@
 package backups
 
 import (
+	backups_core "databasus-backend/internal/features/backups/backups/core"
 	"databasus-backend/internal/features/backups/backups/encryption"
 	"io"
 )
@@ -12,17 +13,17 @@ type GetBackupsRequest struct {
 }
 
 type GetBackupsResponse struct {
-	Backups []*Backup `json:"backups"`
-	Total   int64     `json:"total"`
-	Limit   int       `json:"limit"`
-	Offset  int       `json:"offset"`
+	Backups []*backups_core.Backup `json:"backups"`
+	Total   int64                  `json:"total"`
+	Limit   int                    `json:"limit"`
+	Offset  int                    `json:"offset"`
 }
 
-type decryptionReaderCloser struct {
+type DecryptionReaderCloser struct {
 	*encryption.DecryptionReader
-	baseReader io.ReadCloser
+	BaseReader io.ReadCloser
 }
 
-func (r *decryptionReaderCloser) Close() error {
-	return r.baseReader.Close()
+func (r *DecryptionReaderCloser) Close() error {
+	return r.BaseReader.Close()
 }

backend/internal/features/backups/backups/service.go

@@ -1,23 +1,23 @@
 package backups
 
 import (
-	"context"
 	"encoding/base64"
 	"errors"
 	"fmt"
 	"io"
 	"log/slog"
-	"slices"
-	"strings"
-	"time"
 
 	audit_logs "databasus-backend/internal/features/audit_logs"
+	"databasus-backend/internal/features/backups/backups/backuping"
+	backups_core "databasus-backend/internal/features/backups/backups/core"
+	backups_download "databasus-backend/internal/features/backups/backups/download"
 	"databasus-backend/internal/features/backups/backups/encryption"
 	backups_config "databasus-backend/internal/features/backups/config"
 	"databasus-backend/internal/features/databases"
 	encryption_secrets "databasus-backend/internal/features/encryption/secrets"
 	"databasus-backend/internal/features/notifiers"
 	"databasus-backend/internal/features/storages"
+	task_cancellation "databasus-backend/internal/features/tasks/cancellation"
 	users_models "databasus-backend/internal/features/users/models"
 	workspaces_services "databasus-backend/internal/features/workspaces/services"
 	util_encryption "databasus-backend/internal/util/encryption"
@@ -28,25 +28,27 @@ import (
 type BackupService struct {
 	databaseService     *databases.DatabaseService
 	storageService      *storages.StorageService
-	backupRepository    *BackupRepository
+	backupRepository    *backups_core.BackupRepository
 	notifierService     *notifiers.NotifierService
-	notificationSender  NotificationSender
+	notificationSender  backups_core.NotificationSender
 	backupConfigService *backups_config.BackupConfigService
 	secretKeyService    *encryption_secrets.SecretKeyService
 	fieldEncryptor      util_encryption.FieldEncryptor
 
-	createBackupUseCase CreateBackupUsecase
+	createBackupUseCase backups_core.CreateBackupUsecase
 
 	logger *slog.Logger
 
-	backupRemoveListeners []BackupRemoveListener
+	backupRemoveListeners []backups_core.BackupRemoveListener
 
-	workspaceService     *workspaces_services.WorkspaceService
-	auditLogService      *audit_logs.AuditLogService
-	backupContextManager *BackupContextManager
+	workspaceService       *workspaces_services.WorkspaceService
+	auditLogService        *audit_logs.AuditLogService
+	taskCancelManager      *task_cancellation.TaskCancelManager
+	downloadTokenService   *backups_download.DownloadTokenService
+	backupSchedulerService *backuping.BackupsScheduler
 }
 
-func (s *BackupService) AddBackupRemoveListener(listener BackupRemoveListener) {
+func (s *BackupService) AddBackupRemoveListener(listener backups_core.BackupRemoveListener) {
 	s.backupRemoveListeners = append(s.backupRemoveListeners, listener)
 }
 
@@ -89,7 +91,7 @@ func (s *BackupService) MakeBackupWithAuth(
 		return errors.New("insufficient permissions to create backup for this database")
 	}
 
-	go s.MakeBackup(databaseID, true)
+	s.backupSchedulerService.StartBackup(databaseID, true)
 
 	s.auditLogService.WriteAuditLog(
 		fmt.Sprintf("Backup manually initiated for database: %s", database.Name),
@@ -173,7 +175,7 @@ func (s *BackupService) DeleteBackup(
 		return errors.New("insufficient permissions to delete backup for this database")
 	}
 
-	if backup.Status == BackupStatusInProgress {
+	if backup.Status == backups_core.BackupStatusInProgress {
 		return errors.New("backup is in progress")
 	}
 
@@ -190,265 +192,7 @@ func (s *BackupService) DeleteBackup(
 	return s.deleteBackup(backup)
 }
 
-func (s *BackupService) MakeBackup(databaseID uuid.UUID, isLastTry bool) {
-	database, err := s.databaseService.GetDatabaseByID(databaseID)
-	if err != nil {
-		s.logger.Error("Failed to get database by ID", "error", err)
-		return
-	}
-
-	lastBackup, err := s.backupRepository.FindLastByDatabaseID(databaseID)
-	if err != nil {
-		s.logger.Error("Failed to find last backup by database ID", "error", err)
-		return
-	}
-
-	if lastBackup != nil && lastBackup.Status == BackupStatusInProgress {
-		s.logger.Error("Backup is in progress")
-		return
-	}
-
-	backupConfig, err := s.backupConfigService.GetBackupConfigByDbId(databaseID)
-	if err != nil {
-		s.logger.Error("Failed to get backup config by database ID", "error", err)
-		return
-	}
-
-	if !backupConfig.IsBackupsEnabled {
-		s.logger.Info("Backups are not enabled for this database")
-		return
-	}
-
-	if backupConfig.StorageID == nil {
-		s.logger.Error("Backup config storage ID is not defined")
-		return
-	}
-
-	storage, err := s.storageService.GetStorageByID(*backupConfig.StorageID)
-	if err != nil {
-		s.logger.Error("Failed to get storage by ID", "error", err)
-		return
-	}
-
-	backup := &Backup{
-		DatabaseID: databaseID,
-		StorageID:  storage.ID,
-
-		Status: BackupStatusInProgress,
-
-		BackupSizeMb: 0,
-
-		CreatedAt: time.Now().UTC(),
-	}
-
-	if err := s.backupRepository.Save(backup); err != nil {
-		s.logger.Error("Failed to save backup", "error", err)
-		return
-	}
-
-	start := time.Now().UTC()
-
-	backupProgressListener := func(
-		completedMBs float64,
-	) {
-		backup.BackupSizeMb = completedMBs
-		backup.BackupDurationMs = time.Since(start).Milliseconds()
-
-		if err := s.backupRepository.Save(backup); err != nil {
-			s.logger.Error("Failed to update backup progress", "error", err)
-		}
-	}
-
-	ctx, cancel := context.WithCancel(context.Background())
-	s.backupContextManager.RegisterBackup(backup.ID, cancel)
-	defer s.backupContextManager.UnregisterBackup(backup.ID)
-
-	backupMetadata, err := s.createBackupUseCase.Execute(
-		ctx,
-		backup.ID,
-		backupConfig,
-		database,
-		storage,
-		backupProgressListener,
-	)
-	if err != nil {
-		errMsg := err.Error()
-
-		// Check if backup was cancelled (not due to shutdown)
-		isCancelled := strings.Contains(errMsg, "backup cancelled") ||
-			strings.Contains(errMsg, "context canceled") ||
-			errors.Is(err, context.Canceled)
-		isShutdown := strings.Contains(errMsg, "shutdown")
-
-		if isCancelled && !isShutdown {
-			backup.Status = BackupStatusCanceled
-			backup.BackupDurationMs = time.Since(start).Milliseconds()
-			backup.BackupSizeMb = 0
-
-			if err := s.backupRepository.Save(backup); err != nil {
-				s.logger.Error("Failed to save cancelled backup", "error", err)
-			}
-
-			// Delete partial backup from storage
-			storage, storageErr := s.storageService.GetStorageByID(backup.StorageID)
-			if storageErr == nil {
-				if deleteErr := storage.DeleteFile(s.fieldEncryptor, backup.ID); deleteErr != nil {
-					s.logger.Error(
-						"Failed to delete partial backup file",
-						"backupId",
-						backup.ID,
-						"error",
-						deleteErr,
-					)
-				}
-			}
-
-			return
-		}
-
-		backup.FailMessage = &errMsg
-		backup.Status = BackupStatusFailed
-		backup.BackupDurationMs = time.Since(start).Milliseconds()
-		backup.BackupSizeMb = 0
-
-		if updateErr := s.databaseService.SetBackupError(databaseID, errMsg); updateErr != nil {
-			s.logger.Error(
-				"Failed to update database last backup time",
-				"databaseId",
-				databaseID,
-				"error",
-				updateErr,
-			)
-		}
-
-		if err := s.backupRepository.Save(backup); err != nil {
-			s.logger.Error("Failed to save backup", "error", err)
-		}
-
-		s.SendBackupNotification(
-			backupConfig,
-			backup,
-			backups_config.NotificationBackupFailed,
-			&errMsg,
-		)
-
-		return
-	}
-
-	backup.Status = BackupStatusCompleted
-	backup.BackupDurationMs = time.Since(start).Milliseconds()
-
-	// Update backup with encryption metadata if provided
-	if backupMetadata != nil {
-		backup.EncryptionSalt = backupMetadata.EncryptionSalt
-		backup.EncryptionIV = backupMetadata.EncryptionIV
-		backup.Encryption = backupMetadata.Encryption
-	}
-
-	if err := s.backupRepository.Save(backup); err != nil {
-		s.logger.Error("Failed to save backup", "error", err)
-		return
-	}
-
-	// Update database last backup time
-	now := time.Now().UTC()
-	if updateErr := s.databaseService.SetLastBackupTime(databaseID, now); updateErr != nil {
-		s.logger.Error(
-			"Failed to update database last backup time",
-			"databaseId",
-			databaseID,
-			"error",
-			updateErr,
-		)
-	}
-
-	if backup.Status != BackupStatusCompleted && !isLastTry {
-		return
-	}
-
-	s.SendBackupNotification(
-		backupConfig,
-		backup,
-		backups_config.NotificationBackupSuccess,
-		nil,
-	)
-}
-
-func (s *BackupService) SendBackupNotification(
-	backupConfig *backups_config.BackupConfig,
-	backup *Backup,
-	notificationType backups_config.BackupNotificationType,
-	errorMessage *string,
-) {
-	database, err := s.databaseService.GetDatabaseByID(backupConfig.DatabaseID)
-	if err != nil {
-		return
-	}
-
-	workspace, err := s.workspaceService.GetWorkspaceByID(*database.WorkspaceID)
-	if err != nil {
-		return
-	}
-
-	for _, notifier := range database.Notifiers {
-		if !slices.Contains(
-			backupConfig.SendNotificationsOn,
-			notificationType,
-		) {
-			continue
-		}
-
-		title := ""
-		switch notificationType {
-		case backups_config.NotificationBackupFailed:
-			title = fmt.Sprintf(
-				"❌ Backup failed for database \"%s\" (workspace \"%s\")",
-				database.Name,
-				workspace.Name,
-			)
-		case backups_config.NotificationBackupSuccess:
-			title = fmt.Sprintf(
-				"✅ Backup completed for database \"%s\" (workspace \"%s\")",
-				database.Name,
-				workspace.Name,
-			)
-		}
-
-		message := ""
-		if errorMessage != nil {
-			message = *errorMessage
-		} else {
-			// Format size conditionally
-			var sizeStr string
-			if backup.BackupSizeMb < 1024 {
-				sizeStr = fmt.Sprintf("%.2f MB", backup.BackupSizeMb)
-			} else {
-				sizeGB := backup.BackupSizeMb / 1024
-				sizeStr = fmt.Sprintf("%.2f GB", sizeGB)
-			}
-
-			// Format duration as "0m 0s 0ms"
-			totalMs := backup.BackupDurationMs
-			minutes := totalMs / (1000 * 60)
-			seconds := (totalMs % (1000 * 60)) / 1000
-			durationStr := fmt.Sprintf("%dm %ds", minutes, seconds)
-
-			message = fmt.Sprintf(
-				"Backup completed successfully in %s.\nCompressed backup size: %s",
-				durationStr,
-				sizeStr,
-			)
-		}
-
-		s.notificationSender.SendNotification(
-			&notifier,
-			title,
-			message,
-		)
-	}
-}
-
-func (s *BackupService) GetBackup(backupID uuid.UUID) (*Backup, error) {
+func (s *BackupService) GetBackup(backupID uuid.UUID) (*backups_core.Backup, error) {
 	return s.backupRepository.FindByID(backupID)
 }
 
@@ -478,11 +222,11 @@ func (s *BackupService) CancelBackup(
 		return errors.New("insufficient permissions to cancel backup for this database")
 	}
 
-	if backup.Status != BackupStatusInProgress {
+	if backup.Status != backups_core.BackupStatusInProgress {
 		return errors.New("backup is not in progress")
 	}
 
-	if err := s.backupContextManager.CancelBackup(backupID); err != nil {
+	if err := s.taskCancelManager.CancelTask(backupID); err != nil {
 		return err
 	}
 
@@ -502,19 +246,19 @@ func (s *BackupService) CancelBackup(
 func (s *BackupService) GetBackupFile(
 	user *users_models.User,
 	backupID uuid.UUID,
-) (io.ReadCloser, databases.DatabaseType, error) {
+) (io.ReadCloser, *backups_core.Backup, *databases.Database, error) {
 	backup, err := s.backupRepository.FindByID(backupID)
 	if err != nil {
-		return nil, "", err
+		return nil, nil, nil, err
 	}
 
 	database, err := s.databaseService.GetDatabaseByID(backup.DatabaseID)
 	if err != nil {
-		return nil, "", err
+		return nil, nil, nil, err
 	}
 
 	if database.WorkspaceID == nil {
-		return nil, "", errors.New("cannot download backup for database without workspace")
+		return nil, nil, nil, errors.New("cannot download backup for database without workspace")
 	}
 
 	canAccess, _, err := s.workspaceService.CanUserAccessWorkspace(
@@ -522,10 +266,12 @@ func (s *BackupService) GetBackupFile(
 		user,
 	)
 	if err != nil {
-		return nil, "", err
+		return nil, nil, nil, err
 	}
 	if !canAccess {
-		return nil, "", errors.New("insufficient permissions to download backup for this database")
+		return nil, nil, nil, errors.New(
+			"insufficient permissions to download backup for this database",
+		)
 	}
 
 	s.auditLogService.WriteAuditLog(
@@ -540,13 +286,13 @@ func (s *BackupService) GetBackupFile(
 
 	reader, err := s.getBackupReader(backupID)
 	if err != nil {
-		return nil, "", err
+		return nil, nil, nil, err
 	}
 
-	return reader, database.Type, nil
+	return reader, backup, database, nil
 }
 
-func (s *BackupService) deleteBackup(backup *Backup) error {
+func (s *BackupService) deleteBackup(backup *backups_core.Backup) error {
 	for _, listener := range s.backupRemoveListeners {
 		if err := listener.OnBeforeBackupRemove(backup); err != nil {
 			return err
@@ -572,7 +318,7 @@ func (s *BackupService) deleteBackup(backup *Backup) error {
 func (s *BackupService) deleteDbBackups(databaseID uuid.UUID) error {
 	dbBackupsInProgress, err := s.backupRepository.FindByDatabaseIdAndStatus(
 		databaseID,
-		BackupStatusInProgress,
+		backups_core.BackupStatusInProgress,
 	)
 	if err != nil {
 		return err
@@ -681,8 +427,136 @@ func (s *BackupService) getBackupReader(backupID uuid.UUID) (io.ReadCloser, erro
 
 	s.logger.Info("Returning encrypted backup with decryption", "backupId", backupID)
 
-	return &decryptionReaderCloser{
-		decryptionReader,
-		fileReader,
+	return &DecryptionReaderCloser{
+		DecryptionReader: decryptionReader,
+		BaseReader:       fileReader,
 	}, nil
 }
+
+func (s *BackupService) GenerateDownloadToken(
+	user *users_models.User,
+	backupID uuid.UUID,
+) (*backups_download.GenerateDownloadTokenResponse, error) {
+	backup, err := s.backupRepository.FindByID(backupID)
+	if err != nil {
+		return nil, err
+	}
+
+	database, err := s.databaseService.GetDatabaseByID(backup.DatabaseID)
+	if err != nil {
+		return nil, err
+	}
+
+	if database.WorkspaceID == nil {
+		return nil, errors.New("cannot download backup for database without workspace")
+	}
+
+	canAccess, _, err := s.workspaceService.CanUserAccessWorkspace(*database.WorkspaceID, user)
+	if err != nil {
+		return nil, err
+	}
+	if !canAccess {
+		return nil, errors.New("insufficient permissions to download backup for this database")
+	}
+
+	token, err := s.downloadTokenService.Generate(backupID, user.ID)
+	if err != nil {
+		return nil, err
+	}
+
+	filename := s.generateBackupFilename(backup, database)
+
+	s.auditLogService.WriteAuditLog(
+		fmt.Sprintf("Download token generated for backup of database: %s", database.Name),
+		&user.ID,
+		database.WorkspaceID,
+	)
+
+	return &backups_download.GenerateDownloadTokenResponse{
+		Token:    token,
+		Filename: filename,
+		BackupID: backupID,
+	}, nil
+}
+
+func (s *BackupService) ValidateDownloadToken(
+	token string,
+) (*backups_download.DownloadToken, *backups_download.RateLimiter, error) {
+	return s.downloadTokenService.ValidateAndConsume(token)
+}
+
+func (s *BackupService) GetBackupFileWithoutAuth(
+	backupID uuid.UUID,
+) (io.ReadCloser, *backups_core.Backup, *databases.Database, error) {
+	backup, err := s.backupRepository.FindByID(backupID)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	database, err := s.databaseService.GetDatabaseByID(backup.DatabaseID)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	reader, err := s.getBackupReader(backupID)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	return reader, backup, database, nil
+}
+
+func (s *BackupService) WriteAuditLogForDownload(
+	userID uuid.UUID,
+	backup *backups_core.Backup,
+	database *databases.Database,
+) {
+	s.auditLogService.WriteAuditLog(
+		fmt.Sprintf(
+			"Backup file downloaded for database: %s (ID: %s)",
+			database.Name,
+			backup.ID.String(),
+		),
+		&userID,
+		database.WorkspaceID,
+	)
+}
+
+func (s *BackupService) RefreshDownloadLock(userID uuid.UUID) {
+	s.downloadTokenService.RefreshDownloadLock(userID)
+}
+
+func (s *BackupService) ReleaseDownloadLock(userID uuid.UUID) {
+	s.downloadTokenService.ReleaseDownloadLock(userID)
+}
+
+func (s *BackupService) IsDownloadInProgress(userID uuid.UUID) bool {
+	return s.downloadTokenService.IsDownloadInProgress(userID)
+}
+
+func (s *BackupService) UnregisterDownload(userID uuid.UUID) {
+	s.downloadTokenService.UnregisterDownload(userID)
+}
+
+func (s *BackupService) generateBackupFilename(
+	backup *backups_core.Backup,
+	database *databases.Database,
+) string {
+	timestamp := backup.CreatedAt.Format("2006-01-02_15-04-05")
+	safeName := sanitizeFilename(database.Name)
+	extension := s.getBackupExtension(database.Type)
+	return fmt.Sprintf("%s_backup_%s%s", safeName, timestamp, extension)
+}
+
+func (s *BackupService) getBackupExtension(dbType databases.DatabaseType) string {
+	switch dbType {
+	case databases.DatabaseTypeMysql, databases.DatabaseTypeMariadb:
+		return ".sql.zst"
+	case databases.DatabaseTypePostgres:
+		return ".dump"
+	case databases.DatabaseTypeMongodb:
+		return ".archive"
+	default:
+		return ".backup"
+	}
+}

backend/internal/features/backups/backups/testing.go

@@ -1,20 +1,77 @@
 package backups
 
 import (
+	"testing"
+	"time"
+
+	backups_core "databasus-backend/internal/features/backups/backups/core"
 	backups_config "databasus-backend/internal/features/backups/config"
 	"databasus-backend/internal/features/databases"
 	workspaces_controllers "databasus-backend/internal/features/workspaces/controllers"
 	workspaces_testing "databasus-backend/internal/features/workspaces/testing"
 
 	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
 )
 
 func CreateTestRouter() *gin.Engine {
-	return workspaces_testing.CreateTestRouter(
+	router := workspaces_testing.CreateTestRouter(
 		workspaces_controllers.GetWorkspaceController(),
 		workspaces_controllers.GetMembershipController(),
 		databases.GetDatabaseController(),
 		backups_config.GetBackupConfigController(),
 		GetBackupController(),
 	)
+
+	// Register public routes (no auth required - token-based)
+	v1 := router.Group("/api/v1")
+	GetBackupController().RegisterPublicRoutes(v1)
+
+	return router
+}
+
+// WaitForBackupCompletion waits for a new backup to be created and completed (or failed)
+// for the given database. It checks for backups with count greater than expectedInitialCount.
+func WaitForBackupCompletion(
+	t *testing.T,
+	databaseID uuid.UUID,
+	expectedInitialCount int,
+	timeout time.Duration,
+) {
+	deadline := time.Now().UTC().Add(timeout)
+
+	for time.Now().UTC().Before(deadline) {
+		backups, err := backupRepository.FindByDatabaseID(databaseID)
+		if err != nil {
+			t.Logf("WaitForBackupCompletion: error finding backups: %v", err)
+			time.Sleep(50 * time.Millisecond)
+			continue
+		}
+
+		t.Logf(
+			"WaitForBackupCompletion: found %d backups (expected > %d)",
+			len(backups),
+			expectedInitialCount,
+		)
+
+		if len(backups) > expectedInitialCount {
+			// Check if the newest backup has completed or failed
+			newestBackup := backups[0]
+			t.Logf("WaitForBackupCompletion: newest backup status: %s", newestBackup.Status)
+
+			if newestBackup.Status == backups_core.BackupStatusCompleted ||
+				newestBackup.Status == backups_core.BackupStatusFailed ||
+				newestBackup.Status == backups_core.BackupStatusCanceled {
+				t.Logf(
+					"WaitForBackupCompletion: backup finished with status %s",
+					newestBackup.Status,
+				)
+				return
+			}
+		}
+
+		time.Sleep(50 * time.Millisecond)
+	}
+
+	t.Logf("WaitForBackupCompletion: timeout waiting for backup to complete")
 }

backend/internal/features/backups/backups/usecases/common/dto.go

@@ -1,9 +0,0 @@
-package common
-
-import backups_config "databasus-backend/internal/features/backups/config"
-
-type BackupMetadata struct {
-	EncryptionSalt *string
-	EncryptionIV   *string
-	Encryption     backups_config.BackupEncryption
-}

backend/internal/features/backups/backups/usecases/create_backup_uc.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"errors"
 
-	usecases_common "databasus-backend/internal/features/backups/backups/usecases/common"
+	common "databasus-backend/internal/features/backups/backups/common"
 	usecases_mariadb "databasus-backend/internal/features/backups/backups/usecases/mariadb"
 	usecases_mongodb "databasus-backend/internal/features/backups/backups/usecases/mongodb"
 	usecases_mysql "databasus-backend/internal/features/backups/backups/usecases/mysql"
@@ -30,7 +30,7 @@ func (uc *CreateBackupUsecase) Execute(
 	database *databases.Database,
 	storage *storages.Storage,
 	backupProgressListener func(completedMBs float64),
-) (*usecases_common.BackupMetadata, error) {
+) (*common.BackupMetadata, error) {
 	switch database.Type {
 	case databases.DatabaseTypePostgres:
 		return uc.CreatePostgresqlBackupUsecase.Execute(

backend/internal/features/backups/backups/usecases/mariadb/create_backup_uc.go

@@ -18,8 +18,8 @@ import (
 	"github.com/klauspost/compress/zstd"
 
 	"databasus-backend/internal/config"
+	common "databasus-backend/internal/features/backups/backups/common"
 	backup_encryption "databasus-backend/internal/features/backups/backups/encryption"
-	usecases_common "databasus-backend/internal/features/backups/backups/usecases/common"
 	backups_config "databasus-backend/internal/features/backups/config"
 	"databasus-backend/internal/features/databases"
 	mariadbtypes "databasus-backend/internal/features/databases/databases/mariadb"
@@ -57,17 +57,13 @@ func (uc *CreateMariadbBackupUsecase) Execute(
 	db *databases.Database,
 	storage *storages.Storage,
 	backupProgressListener func(completedMBs float64),
-) (*usecases_common.BackupMetadata, error) {
+) (*common.BackupMetadata, error) {
 	uc.logger.Info(
 		"Creating MariaDB backup via mariadb-dump",
 		"databaseId", db.ID,
 		"storageId", storage.ID,
 	)
 
-	if !backupConfig.IsBackupsEnabled {
-		return nil, fmt.Errorf("backups are not enabled for this database: \"%s\"", db.Name)
-	}
-
 	mdb := db.Mariadb
 	if mdb == nil {
 		return nil, fmt.Errorf("mariadb database configuration is required")
@@ -111,16 +107,22 @@ func (uc *CreateMariadbBackupUsecase) buildMariadbDumpArgs(
 		"--user=" + mdb.Username,
 		"--single-transaction",
 		"--routines",
-		"--triggers",
-		"--events",
 		"--quick",
 		"--verbose",
 	}
 
+	if mdb.HasPrivilege("TRIGGER") {
+		args = append(args, "--triggers")
+	}
+	if mdb.HasPrivilege("EVENT") {
+		args = append(args, "--events")
+	}
+
 	args = append(args, "--compress")
 
 	if mdb.IsHttps {
 		args = append(args, "--ssl")
+		args = append(args, "--skip-ssl-verify-server-cert")
 	}
 
 	if mdb.Database != nil && *mdb.Database != "" {
@@ -140,7 +142,7 @@ func (uc *CreateMariadbBackupUsecase) streamToStorage(
 	storage *storages.Storage,
 	backupProgressListener func(completedMBs float64),
 	mdbConfig *mariadbtypes.MariadbDatabase,
-) (*usecases_common.BackupMetadata, error) {
+) (*common.BackupMetadata, error) {
 	uc.logger.Info("Streaming MariaDB backup to storage", "mariadbBin", mariadbBin)
 
 	ctx, cancel := uc.createBackupContext(parentCtx)
@@ -196,7 +198,7 @@ func (uc *CreateMariadbBackupUsecase) streamToStorage(
 	if err != nil {
 		return nil, fmt.Errorf("failed to create zstd writer: %w", err)
 	}
-	countingWriter := usecases_common.NewCountingWriter(zstdWriter)
+	countingWriter := common.NewCountingWriter(zstdWriter)
 
 	saveErrCh := make(chan error, 1)
 	go func() {
@@ -264,11 +266,24 @@ func (uc *CreateMariadbBackupUsecase) createTempMyCnfFile(
 	mdbConfig *mariadbtypes.MariadbDatabase,
 	password string,
 ) (string, error) {
-	tempDir, err := os.MkdirTemp("", "mycnf")
+	tempFolder := config.GetEnv().TempFolder
+	if err := os.MkdirAll(tempFolder, 0700); err != nil {
+		return "", fmt.Errorf("failed to ensure temp folder exists: %w", err)
+	}
+	if err := os.Chmod(tempFolder, 0700); err != nil {
+		return "", fmt.Errorf("failed to set temp folder permissions: %w", err)
+	}
+
+	tempDir, err := os.MkdirTemp(tempFolder, "mycnf_"+uuid.New().String())
 	if err != nil {
 		return "", fmt.Errorf("failed to create temp directory: %w", err)
 	}
 
+	if err := os.Chmod(tempDir, 0700); err != nil {
+		_ = os.RemoveAll(tempDir)
+		return "", fmt.Errorf("failed to set temp directory permissions: %w", err)
+	}
+
 	myCnfFile := filepath.Join(tempDir, ".my.cnf")
 
 	content := fmt.Sprintf(`[client]
@@ -286,6 +301,7 @@ port=%d
 
 	err = os.WriteFile(myCnfFile, []byte(content), 0600)
 	if err != nil {
+		_ = os.RemoveAll(tempDir)
 		return "", fmt.Errorf("failed to write .my.cnf: %w", err)
 	}
 
@@ -401,8 +417,8 @@ func (uc *CreateMariadbBackupUsecase) setupBackupEncryption(
 	backupID uuid.UUID,
 	backupConfig *backups_config.BackupConfig,
 	storageWriter io.WriteCloser,
-) (io.Writer, *backup_encryption.EncryptionWriter, usecases_common.BackupMetadata, error) {
-	metadata := usecases_common.BackupMetadata{}
+) (io.Writer, *backup_encryption.EncryptionWriter, common.BackupMetadata, error) {
+	metadata := common.BackupMetadata{}
 
 	if backupConfig.Encryption != backups_config.BackupEncryptionEncrypted {
 		metadata.Encryption = backups_config.BackupEncryptionNone

backend/internal/features/backups/backups/usecases/mongodb/create_backup_uc.go

@@ -15,8 +15,8 @@ import (
 	"github.com/google/uuid"
 
 	"databasus-backend/internal/config"
+	common "databasus-backend/internal/features/backups/backups/common"
 	backup_encryption "databasus-backend/internal/features/backups/backups/encryption"
-	usecases_common "databasus-backend/internal/features/backups/backups/usecases/common"
 	backups_config "databasus-backend/internal/features/backups/config"
 	"databasus-backend/internal/features/databases"
 	mongodbtypes "databasus-backend/internal/features/databases/databases/mongodb"
@@ -51,17 +51,13 @@ func (uc *CreateMongodbBackupUsecase) Execute(
 	db *databases.Database,
 	storage *storages.Storage,
 	backupProgressListener func(completedMBs float64),
-) (*usecases_common.BackupMetadata, error) {
+) (*common.BackupMetadata, error) {
 	uc.logger.Info(
 		"Creating MongoDB backup via mongodump",
 		"databaseId", db.ID,
 		"storageId", storage.ID,
 	)
 
-	if !backupConfig.IsBackupsEnabled {
-		return nil, fmt.Errorf("backups are not enabled for this database: \"%s\"", db.Name)
-	}
-
 	mdb := db.Mongodb
 	if mdb == nil {
 		return nil, fmt.Errorf("mongodb database configuration is required")
@@ -106,6 +102,13 @@ func (uc *CreateMongodbBackupUsecase) buildMongodumpArgs(
 		"--gzip",
 	}
 
+	// Use numParallelCollections based on CPU count
+	// Cap between 1 and 16 to balance performance and resource usage
+	parallelCollections := max(1, min(mdb.CpuCount, 16))
+	if parallelCollections > 1 {
+		args = append(args, "--numParallelCollections="+fmt.Sprintf("%d", parallelCollections))
+	}
+
 	return args
 }
 
@@ -117,7 +120,7 @@ func (uc *CreateMongodbBackupUsecase) streamToStorage(
 	args []string,
 	storage *storages.Storage,
 	backupProgressListener func(completedMBs float64),
-) (*usecases_common.BackupMetadata, error) {
+) (*common.BackupMetadata, error) {
 	uc.logger.Info("Streaming MongoDB backup to storage", "mongodumpBin", mongodumpBin)
 
 	ctx, cancel := uc.createBackupContext(parentCtx)
@@ -168,7 +171,7 @@ func (uc *CreateMongodbBackupUsecase) streamToStorage(
 		return nil, err
 	}
 
-	countingWriter := usecases_common.NewCountingWriter(finalWriter)
+	countingWriter := common.NewCountingWriter(finalWriter)
 
 	saveErrCh := make(chan error, 1)
 	go func() {
@@ -257,8 +260,8 @@ func (uc *CreateMongodbBackupUsecase) setupBackupEncryption(
 	backupID uuid.UUID,
 	backupConfig *backups_config.BackupConfig,
 	storageWriter io.WriteCloser,
-) (io.Writer, *backup_encryption.EncryptionWriter, usecases_common.BackupMetadata, error) {
-	backupMetadata := usecases_common.BackupMetadata{
+) (io.Writer, *backup_encryption.EncryptionWriter, common.BackupMetadata, error) {
+	backupMetadata := common.BackupMetadata{
 		Encryption: backups_config.BackupEncryptionNone,
 	}
 

backend/internal/features/backups/backups/usecases/mysql/create_backup_uc.go

@@ -18,8 +18,8 @@ import (
 	"github.com/klauspost/compress/zstd"
 
 	"databasus-backend/internal/config"
+	common "databasus-backend/internal/features/backups/backups/common"
 	backup_encryption "databasus-backend/internal/features/backups/backups/encryption"
-	usecases_common "databasus-backend/internal/features/backups/backups/usecases/common"
 	backups_config "databasus-backend/internal/features/backups/config"
 	"databasus-backend/internal/features/databases"
 	mysqltypes "databasus-backend/internal/features/databases/databases/mysql"
@@ -57,17 +57,13 @@ func (uc *CreateMysqlBackupUsecase) Execute(
 	db *databases.Database,
 	storage *storages.Storage,
 	backupProgressListener func(completedMBs float64),
-) (*usecases_common.BackupMetadata, error) {
+) (*common.BackupMetadata, error) {
 	uc.logger.Info(
 		"Creating MySQL backup via mysqldump",
 		"databaseId", db.ID,
 		"storageId", storage.ID,
 	)
 
-	if !backupConfig.IsBackupsEnabled {
-		return nil, fmt.Errorf("backups are not enabled for this database: \"%s\"", db.Name)
-	}
-
 	my := db.Mysql
 	if my == nil {
 		return nil, fmt.Errorf("mysql database configuration is required")
@@ -109,13 +105,18 @@ func (uc *CreateMysqlBackupUsecase) buildMysqldumpArgs(my *mysqltypes.MysqlDatab
 		"--user=" + my.Username,
 		"--single-transaction",
 		"--routines",
-		"--triggers",
-		"--events",
 		"--set-gtid-purged=OFF",
 		"--quick",
 		"--verbose",
 	}
 
+	if my.HasPrivilege("TRIGGER") {
+		args = append(args, "--triggers")
+	}
+	if my.HasPrivilege("EVENT") {
+		args = append(args, "--events")
+	}
+
 	args = append(args, uc.getNetworkCompressionArgs(my.Version)...)
 
 	if my.IsHttps {
@@ -155,7 +156,7 @@ func (uc *CreateMysqlBackupUsecase) streamToStorage(
 	storage *storages.Storage,
 	backupProgressListener func(completedMBs float64),
 	myConfig *mysqltypes.MysqlDatabase,
-) (*usecases_common.BackupMetadata, error) {
+) (*common.BackupMetadata, error) {
 	uc.logger.Info("Streaming MySQL backup to storage", "mysqlBin", mysqlBin)
 
 	ctx, cancel := uc.createBackupContext(parentCtx)
@@ -211,7 +212,7 @@ func (uc *CreateMysqlBackupUsecase) streamToStorage(
 	if err != nil {
 		return nil, fmt.Errorf("failed to create zstd writer: %w", err)
 	}
-	countingWriter := usecases_common.NewCountingWriter(zstdWriter)
+	countingWriter := common.NewCountingWriter(zstdWriter)
 
 	saveErrCh := make(chan error, 1)
 	go func() {
@@ -279,11 +280,24 @@ func (uc *CreateMysqlBackupUsecase) createTempMyCnfFile(
 	myConfig *mysqltypes.MysqlDatabase,
 	password string,
 ) (string, error) {
-	tempDir, err := os.MkdirTemp("", "mycnf")
+	tempFolder := config.GetEnv().TempFolder
+	if err := os.MkdirAll(tempFolder, 0700); err != nil {
+		return "", fmt.Errorf("failed to ensure temp folder exists: %w", err)
+	}
+	if err := os.Chmod(tempFolder, 0700); err != nil {
+		return "", fmt.Errorf("failed to set temp folder permissions: %w", err)
+	}
+
+	tempDir, err := os.MkdirTemp(tempFolder, "mycnf_"+uuid.New().String())
 	if err != nil {
 		return "", fmt.Errorf("failed to create temp directory: %w", err)
 	}
 
+	if err := os.Chmod(tempDir, 0700); err != nil {
+		_ = os.RemoveAll(tempDir)
+		return "", fmt.Errorf("failed to set temp directory permissions: %w", err)
+	}
+
 	myCnfFile := filepath.Join(tempDir, ".my.cnf")
 
 	content := fmt.Sprintf(`[client]
@@ -299,6 +313,7 @@ port=%d
 
 	err = os.WriteFile(myCnfFile, []byte(content), 0600)
 	if err != nil {
+		_ = os.RemoveAll(tempDir)
 		return "", fmt.Errorf("failed to write .my.cnf: %w", err)
 	}
 
@@ -414,8 +429,8 @@ func (uc *CreateMysqlBackupUsecase) setupBackupEncryption(
 	backupID uuid.UUID,
 	backupConfig *backups_config.BackupConfig,
 	storageWriter io.WriteCloser,
-) (io.Writer, *backup_encryption.EncryptionWriter, usecases_common.BackupMetadata, error) {
-	metadata := usecases_common.BackupMetadata{}
+) (io.Writer, *backup_encryption.EncryptionWriter, common.BackupMetadata, error) {
+	metadata := common.BackupMetadata{}
 
 	if backupConfig.Encryption != backups_config.BackupEncryptionEncrypted {
 		metadata.Encryption = backups_config.BackupEncryptionNone

backend/internal/features/backups/backups/usecases/postgresql/create_backup_uc.go

@@ -15,8 +15,8 @@ import (
 	"time"
 
 	"databasus-backend/internal/config"
+	common "databasus-backend/internal/features/backups/backups/common"
 	backup_encryption "databasus-backend/internal/features/backups/backups/encryption"
-	usecases_common "databasus-backend/internal/features/backups/backups/usecases/common"
 	backups_config "databasus-backend/internal/features/backups/config"
 	"databasus-backend/internal/features/databases"
 	pgtypes "databasus-backend/internal/features/databases/databases/postgresql"
@@ -60,7 +60,7 @@ func (uc *CreatePostgresqlBackupUsecase) Execute(
 	backupProgressListener func(
 		completedMBs float64,
 	),
-) (*usecases_common.BackupMetadata, error) {
+) (*common.BackupMetadata, error) {
 	uc.logger.Info(
 		"Creating PostgreSQL backup via pg_dump custom format",
 		"databaseId",
@@ -69,10 +69,6 @@ func (uc *CreatePostgresqlBackupUsecase) Execute(
 		storage.ID,
 	)
 
-	if !backupConfig.IsBackupsEnabled {
-		return nil, fmt.Errorf("backups are not enabled for this database: \"%s\"", db.Name)
-	}
-
 	pg := db.Postgresql
 
 	if pg == nil {
@@ -119,7 +115,7 @@ func (uc *CreatePostgresqlBackupUsecase) streamToStorage(
 	storage *storages.Storage,
 	db *databases.Database,
 	backupProgressListener func(completedMBs float64),
-) (*usecases_common.BackupMetadata, error) {
+) (*common.BackupMetadata, error) {
 	uc.logger.Info("Streaming PostgreSQL backup to storage", "pgBin", pgBin, "args", args)
 
 	ctx, cancel := uc.createBackupContext(parentCtx)
@@ -139,7 +135,14 @@ func (uc *CreatePostgresqlBackupUsecase) streamToStorage(
 	cmd := exec.CommandContext(ctx, pgBin, args...)
 	uc.logger.Info("Executing PostgreSQL backup command", "command", cmd.String())
 
-	if err := uc.setupPgEnvironment(cmd, pgpassFile, db.Postgresql.IsHttps, password, backupConfig.CpuCount, pgBin); err != nil {
+	if err := uc.setupPgEnvironment(
+		cmd,
+		pgpassFile,
+		db.Postgresql.IsHttps,
+		password,
+		db.Postgresql.CpuCount,
+		pgBin,
+	); err != nil {
 		return nil, err
 	}
 
@@ -171,7 +174,7 @@ func (uc *CreatePostgresqlBackupUsecase) streamToStorage(
 		return nil, err
 	}
 
-	countingWriter := usecases_common.NewCountingWriter(finalWriter)
+	countingWriter := common.NewCountingWriter(finalWriter)
 
 	// The backup ID becomes the object key / filename in storage
 
@@ -471,8 +474,8 @@ func (uc *CreatePostgresqlBackupUsecase) setupBackupEncryption(
 	backupID uuid.UUID,
 	backupConfig *backups_config.BackupConfig,
 	storageWriter io.WriteCloser,
-) (io.Writer, *backup_encryption.EncryptionWriter, usecases_common.BackupMetadata, error) {
-	metadata := usecases_common.BackupMetadata{}
+) (io.Writer, *backup_encryption.EncryptionWriter, common.BackupMetadata, error) {
+	metadata := common.BackupMetadata{}
 
 	if backupConfig.Encryption != backups_config.BackupEncryptionEncrypted {
 		metadata.Encryption = backups_config.BackupEncryptionNone
@@ -754,14 +757,28 @@ func (uc *CreatePostgresqlBackupUsecase) createTempPgpassFile(
 		escapedPassword,
 	)
 
-	tempDir, err := os.MkdirTemp("", "pgpass")
+	tempFolder := config.GetEnv().TempFolder
+	if err := os.MkdirAll(tempFolder, 0700); err != nil {
+		return "", fmt.Errorf("failed to ensure temp folder exists: %w", err)
+	}
+	if err := os.Chmod(tempFolder, 0700); err != nil {
+		return "", fmt.Errorf("failed to set temp folder permissions: %w", err)
+	}
+
+	tempDir, err := os.MkdirTemp(tempFolder, "pgpass_"+uuid.New().String())
 	if err != nil {
 		return "", fmt.Errorf("failed to create temporary directory: %w", err)
 	}
 
+	if err := os.Chmod(tempDir, 0700); err != nil {
+		_ = os.RemoveAll(tempDir)
+		return "", fmt.Errorf("failed to set temporary directory permissions: %w", err)
+	}
+
 	pgpassFile := filepath.Join(tempDir, ".pgpass")
 	err = os.WriteFile(pgpassFile, []byte(pgpassContent), 0600)
 	if err != nil {
+		_ = os.RemoveAll(tempDir)
 		return "", fmt.Errorf("failed to write temporary .pgpass file: %w", err)
 	}
 

backend/internal/features/backups/config/controller.go

@@ -1,9 +1,11 @@
 package backups_config
 
 import (
-	users_middleware "databasus-backend/internal/features/users/middleware"
+	"errors"
 	"net/http"
 
+	users_middleware "databasus-backend/internal/features/users/middleware"
+
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
 )
@@ -16,6 +18,8 @@ func (c *BackupConfigController) RegisterRoutes(router *gin.RouterGroup) {
 	router.POST("/backup-configs/save", c.SaveBackupConfig)
 	router.GET("/backup-configs/database/:id", c.GetBackupConfigByDbID)
 	router.GET("/backup-configs/storage/:id/is-using", c.IsStorageUsing)
+	router.GET("/backup-configs/storage/:id/databases-count", c.CountDatabasesForStorage)
+	router.POST("/backup-configs/database/:id/transfer", c.TransferDatabase)
 }
 
 // SaveBackupConfig
@@ -120,3 +124,86 @@ func (c *BackupConfigController) IsStorageUsing(ctx *gin.Context) {
 
 	ctx.JSON(http.StatusOK, gin.H{"isUsing": isUsing})
 }
+
+// CountDatabasesForStorage
+// @Summary Count databases using a storage
+// @Description Get the count of databases that are using a specific storage
+// @Tags backup-configs
+// @Produce json
+// @Param id path string true "Storage ID"
+// @Success 200 {object} map[string]int
+// @Failure 400
+// @Failure 401
+// @Failure 500
+// @Router /backup-configs/storage/{id}/databases-count [get]
+func (c *BackupConfigController) CountDatabasesForStorage(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
+	id, err := uuid.Parse(ctx.Param("id"))
+	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid storage ID"})
+		return
+	}
+
+	count, err := c.backupConfigService.CountDatabasesForStorage(user, id)
+	if err != nil {
+		ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	ctx.JSON(http.StatusOK, gin.H{"count": count})
+}
+
+// TransferDatabase
+// @Summary Transfer database to another workspace
+// @Description Transfer a database from one workspace to another. Can transfer to a new storage or transfer with the existing storage. Can also specify target notifiers from the target workspace.
+// @Tags backup-configs
+// @Accept json
+// @Produce json
+// @Param id path string true "Database ID"
+// @Param request body TransferDatabaseRequest true "Transfer request with targetWorkspaceId, storage options (targetStorageId or isTransferWithStorage), and optional targetNotifierIds"
+// @Success 200 {object} map[string]string "Database transferred successfully"
+// @Failure 400 {object} map[string]string "Invalid request, target storage/notifier not in target workspace, or transfer failed"
+// @Failure 401 {object} map[string]string "User not authenticated"
+// @Failure 403 {object} map[string]string "Insufficient permissions"
+// @Router /backup-configs/database/{id}/transfer [post]
+func (c *BackupConfigController) TransferDatabase(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
+	id, err := uuid.Parse(ctx.Param("id"))
+	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid database ID"})
+		return
+	}
+
+	var request TransferDatabaseRequest
+	if err := ctx.ShouldBindJSON(&request); err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if request.TargetWorkspaceID == uuid.Nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "targetWorkspaceId is required"})
+		return
+	}
+
+	if err := c.backupConfigService.TransferDatabaseToWorkspace(user, id, &request); err != nil {
+		if errors.Is(err, ErrInsufficientPermissionsInSourceWorkspace) ||
+			errors.Is(err, ErrInsufficientPermissionsInTargetWorkspace) {
+			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+			return
+		}
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	ctx.JSON(http.StatusOK, gin.H{"message": "database transferred successfully"})
+}

backend/internal/features/backups/config/di.go

@@ -2,6 +2,7 @@ package backups_config
 
 import (
 	"databasus-backend/internal/features/databases"
+	"databasus-backend/internal/features/notifiers"
 	"databasus-backend/internal/features/storages"
 	workspaces_services "databasus-backend/internal/features/workspaces/services"
 )
@@ -11,6 +12,7 @@ var backupConfigService = &BackupConfigService{
 	backupConfigRepository,
 	databases.GetDatabaseService(),
 	storages.GetStorageService(),
+	notifiers.GetNotifierService(),
 	workspaces_services.GetWorkspaceService(),
 	nil,
 }
@@ -25,3 +27,7 @@ func GetBackupConfigController() *BackupConfigController {
 func GetBackupConfigService() *BackupConfigService {
 	return backupConfigService
 }
+
+func SetupDependencies() {
+	storages.GetStorageService().SetStorageDatabaseCounter(backupConfigService)
+}

backend/internal/features/backups/config/dto.go

@@ -0,0 +1,11 @@
+package backups_config
+
+import "github.com/google/uuid"
+
+type TransferDatabaseRequest struct {
+	TargetWorkspaceID       uuid.UUID   `json:"targetWorkspaceId"                 binding:"required"`
+	TargetStorageID         *uuid.UUID  `json:"targetStorageId,omitempty"`
+	IsTransferWithStorage   bool        `json:"isTransferWithStorage,omitempty"`
+	IsTransferWithNotifiers bool        `json:"isTransferWithNotifiers,omitempty"`
+	TargetNotifierIDs       []uuid.UUID `json:"targetNotifierIds,omitempty"`
+}

backend/internal/features/backups/config/errors.go

@@ -0,0 +1,30 @@
+package backups_config
+
+import "errors"
+
+var (
+	ErrInsufficientPermissionsInSourceWorkspace = errors.New(
+		"insufficient permissions to manage database in source workspace",
+	)
+	ErrInsufficientPermissionsInTargetWorkspace = errors.New(
+		"insufficient permissions to manage database in target workspace",
+	)
+	ErrTargetStorageNotInTargetWorkspace = errors.New(
+		"target storage does not belong to target workspace",
+	)
+	ErrTargetNotifierNotInTargetWorkspace = errors.New(
+		"target notifier does not belong to target workspace",
+	)
+	ErrStorageHasOtherAttachedDatabases = errors.New(
+		"storage has other attached databases and cannot be transferred with this database",
+	)
+	ErrDatabaseHasNoStorage = errors.New(
+		"database has no storage attached",
+	)
+	ErrDatabaseHasNoWorkspace = errors.New(
+		"database has no workspace",
+	)
+	ErrTargetStorageNotSpecified = errors.New(
+		"target storage is not specified",
+	)
+)

backend/internal/features/backups/config/model.go

@@ -30,8 +30,6 @@ type BackupConfig struct {
 	IsRetryIfFailed     bool `json:"isRetryIfFailed"     gorm:"column:is_retry_if_failed;type:boolean;not null"`
 	MaxFailedTriesCount int  `json:"maxFailedTriesCount" gorm:"column:max_failed_tries_count;type:int;not null"`
 
-	CpuCount int `json:"cpuCount" gorm:"type:int;not null"`
-
 	Encryption BackupEncryption `json:"encryption" gorm:"column:encryption;type:text;not null;default:'NONE'"`
 }
 
@@ -82,10 +80,6 @@ func (b *BackupConfig) Validate() error {
 		return errors.New("store period is required")
 	}
 
-	if b.CpuCount == 0 {
-		return errors.New("cpu count is required")
-	}
-
 	if b.IsRetryIfFailed && b.MaxFailedTriesCount <= 0 {
 		return errors.New("max failed tries count must be greater than 0")
 	}
@@ -109,7 +103,6 @@ func (b *BackupConfig) Copy(newDatabaseID uuid.UUID) *BackupConfig {
 		SendNotificationsOn: b.SendNotificationsOn,
 		IsRetryIfFailed:     b.IsRetryIfFailed,
 		MaxFailedTriesCount: b.MaxFailedTriesCount,
-		CpuCount:            b.CpuCount,
 		Encryption:          b.Encryption,
 	}
 }

backend/internal/features/backups/config/notifiers_test.go

@@ -0,0 +1,166 @@
+package backups_config
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/assert"
+
+	"databasus-backend/internal/features/databases"
+	"databasus-backend/internal/features/notifiers"
+	"databasus-backend/internal/features/storages"
+	users_enums "databasus-backend/internal/features/users/enums"
+	users_testing "databasus-backend/internal/features/users/testing"
+	workspaces_controllers "databasus-backend/internal/features/workspaces/controllers"
+	workspaces_testing "databasus-backend/internal/features/workspaces/testing"
+	test_utils "databasus-backend/internal/util/testing"
+)
+
+func Test_AttachNotifierFromSameWorkspace_SuccessfullyAttached(t *testing.T) {
+	router := createTestRouterWithNotifier()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+	notifier := notifiers.CreateTestNotifier(workspace.ID)
+
+	database.Notifiers = []notifiers.Notifier{*notifier}
+
+	var response databases.Database
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/databases/update",
+		"Bearer "+owner.Token,
+		database,
+		http.StatusOK,
+		&response,
+	)
+
+	assert.Equal(t, database.ID, response.ID)
+	assert.Len(t, response.Notifiers, 1)
+	assert.Equal(t, notifier.ID, response.Notifiers[0].ID)
+}
+
+func Test_AttachNotifierFromDifferentWorkspace_ReturnsForbidden(t *testing.T) {
+	router := createTestRouterWithNotifier()
+
+	owner1 := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace1 := workspaces_testing.CreateTestWorkspace("Workspace 1", owner1, router)
+	database := createTestDatabaseViaAPI("Test Database", workspace1.ID, owner1.Token, router)
+
+	owner2 := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace2 := workspaces_testing.CreateTestWorkspace("Workspace 2", owner2, router)
+	notifier := notifiers.CreateTestNotifier(workspace2.ID)
+
+	database.Notifiers = []notifiers.Notifier{*notifier}
+
+	testResp := test_utils.MakePostRequest(
+		t,
+		router,
+		"/api/v1/databases/update",
+		"Bearer "+owner1.Token,
+		database,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(t, string(testResp.Body), "notifier does not belong to this workspace")
+}
+
+func Test_DeleteNotifierWithAttachedDatabases_CannotDelete(t *testing.T) {
+	router := createTestRouterWithNotifier()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+	notifier := notifiers.CreateTestNotifier(workspace.ID)
+
+	database.Notifiers = []notifiers.Notifier{*notifier}
+
+	var response databases.Database
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/databases/update",
+		"Bearer "+owner.Token,
+		database,
+		http.StatusOK,
+		&response,
+	)
+
+	testResp := test_utils.MakeDeleteRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers/%s", notifier.ID.String()),
+		"Bearer "+owner.Token,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(
+		t,
+		string(testResp.Body),
+		"notifier has attached databases and cannot be deleted",
+	)
+}
+
+func Test_TransferNotifierWithAttachedDatabase_CannotTransfer(t *testing.T) {
+	router := createTestRouterWithNotifier()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+	targetWorkspace := workspaces_testing.CreateTestWorkspace("Target Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+	notifier := notifiers.CreateTestNotifier(workspace.ID)
+
+	database.Notifiers = []notifiers.Notifier{*notifier}
+
+	var response databases.Database
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/databases/update",
+		"Bearer "+owner.Token,
+		database,
+		http.StatusOK,
+		&response,
+	)
+
+	transferRequest := notifiers.TransferNotifierRequest{
+		TargetWorkspaceID: targetWorkspace.ID,
+	}
+
+	testResp := test_utils.MakePostRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers/%s/transfer", notifier.ID.String()),
+		"Bearer "+owner.Token,
+		transferRequest,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(
+		t,
+		string(testResp.Body),
+		"notifier has attached databases and cannot be transferred",
+	)
+}
+
+func createTestRouterWithNotifier() *gin.Engine {
+	router := workspaces_testing.CreateTestRouter(
+		workspaces_controllers.GetWorkspaceController(),
+		workspaces_controllers.GetMembershipController(),
+		databases.GetDatabaseController(),
+		GetBackupConfigController(),
+		storages.GetStorageController(),
+		notifiers.GetNotifierController(),
+	)
+
+	storages.SetupDependencies()
+	databases.SetupDependencies()
+	notifiers.SetupDependencies()
+	SetupDependencies()
+
+	return router
+}

backend/internal/features/backups/config/repository.go

@@ -102,3 +102,19 @@ func (r *BackupConfigRepository) IsStorageUsing(storageID uuid.UUID) (bool, erro
 
 	return count > 0, nil
 }
+
+func (r *BackupConfigRepository) GetDatabasesIDsByStorageID(
+	storageID uuid.UUID,
+) ([]uuid.UUID, error) {
+	var databasesIDs []uuid.UUID
+
+	if err := storage.
+		GetDb().
+		Table("backup_configs").
+		Where("storage_id = ?", storageID).
+		Pluck("database_id", &databasesIDs).Error; err != nil {
+		return nil, err
+	}
+
+	return databasesIDs, nil
+}

backend/internal/features/backups/config/service.go

@@ -5,6 +5,7 @@ import (
 
 	"databasus-backend/internal/features/databases"
 	"databasus-backend/internal/features/intervals"
+	"databasus-backend/internal/features/notifiers"
 	"databasus-backend/internal/features/storages"
 	users_models "databasus-backend/internal/features/users/models"
 	workspaces_services "databasus-backend/internal/features/workspaces/services"
@@ -17,6 +18,7 @@ type BackupConfigService struct {
 	backupConfigRepository *BackupConfigRepository
 	databaseService        *databases.DatabaseService
 	storageService         *storages.StorageService
+	notifierService        *notifiers.NotifierService
 	workspaceService       *workspaces_services.WorkspaceService
 
 	dbStorageChangeListener BackupConfigStorageChangeListener
@@ -28,6 +30,17 @@ func (s *BackupConfigService) SetDatabaseStorageChangeListener(
 	s.dbStorageChangeListener = dbStorageChangeListener
 }
 
+func (s *BackupConfigService) GetStorageAttachedDatabasesIDs(
+	storageID uuid.UUID,
+) ([]uuid.UUID, error) {
+	databasesIDs, err := s.backupConfigRepository.GetDatabasesIDsByStorageID(storageID)
+	if err != nil {
+		return nil, err
+	}
+
+	return databasesIDs, nil
+}
+
 func (s *BackupConfigService) SaveBackupConfigWithAuth(
 	user *users_models.User,
 	backupConfig *BackupConfig,
@@ -53,6 +66,16 @@ func (s *BackupConfigService) SaveBackupConfigWithAuth(
 		return nil, errors.New("insufficient permissions to modify backup configuration")
 	}
 
+	if backupConfig.Storage != nil && backupConfig.Storage.ID != uuid.Nil {
+		storage, err := s.storageService.GetStorageByID(backupConfig.Storage.ID)
+		if err != nil {
+			return nil, err
+		}
+		if storage.WorkspaceID != *database.WorkspaceID {
+			return nil, errors.New("storage does not belong to the same workspace as the database")
+		}
+	}
+
 	return s.SaveBackupConfig(backupConfig)
 }
 
@@ -129,6 +152,23 @@ func (s *BackupConfigService) IsStorageUsing(
 	return s.backupConfigRepository.IsStorageUsing(storageID)
 }
 
+func (s *BackupConfigService) CountDatabasesForStorage(
+	user *users_models.User,
+	storageID uuid.UUID,
+) (int, error) {
+	_, err := s.storageService.GetStorage(user, storageID)
+	if err != nil {
+		return 0, err
+	}
+
+	databaseIDs, err := s.backupConfigRepository.GetDatabasesIDsByStorageID(storageID)
+	if err != nil {
+		return 0, err
+	}
+
+	return len(databaseIDs), nil
+}
+
 func (s *BackupConfigService) GetBackupConfigsWithEnabledBackups() ([]*BackupConfig, error) {
 	return s.backupConfigRepository.GetWithEnabledBackups()
 }
@@ -168,7 +208,6 @@ func (s *BackupConfigService) initializeDefaultConfig(
 			NotificationBackupFailed,
 			NotificationBackupSuccess,
 		},
-		CpuCount:            1,
 		IsRetryIfFailed:     true,
 		MaxFailedTriesCount: 3,
 		Encryption:          BackupEncryptionNone,
@@ -177,6 +216,157 @@ func (s *BackupConfigService) initializeDefaultConfig(
 	return err
 }
 
+func (s *BackupConfigService) TransferDatabaseToWorkspace(
+	user *users_models.User,
+	databaseID uuid.UUID,
+	request *TransferDatabaseRequest,
+) error {
+	database, err := s.databaseService.GetDatabaseByID(databaseID)
+	if err != nil {
+		return err
+	}
+
+	if database.WorkspaceID == nil {
+		return ErrDatabaseHasNoWorkspace
+	}
+
+	canManageSource, err := s.workspaceService.CanUserManageDBs(*database.WorkspaceID, user)
+	if err != nil {
+		return err
+	}
+	if !canManageSource {
+		return ErrInsufficientPermissionsInSourceWorkspace
+	}
+
+	canManageTarget, err := s.workspaceService.CanUserManageDBs(request.TargetWorkspaceID, user)
+	if err != nil {
+		return err
+	}
+	if !canManageTarget {
+		return ErrInsufficientPermissionsInTargetWorkspace
+	}
+
+	if err := s.validateTargetNotifiers(request); err != nil {
+		return err
+	}
+
+	backupConfig, err := s.GetBackupConfigByDbId(databaseID)
+	if err != nil {
+		return err
+	}
+
+	if request.IsTransferWithNotifiers {
+		s.transferNotifiers(user, database, request.TargetWorkspaceID)
+	}
+
+	if request.IsTransferWithStorage {
+		if backupConfig.StorageID == nil {
+			return ErrDatabaseHasNoStorage
+		}
+
+		attachedDatabasesIDs, err := s.GetStorageAttachedDatabasesIDs(*backupConfig.StorageID)
+		if err != nil {
+			return err
+		}
+
+		for _, dbID := range attachedDatabasesIDs {
+			if dbID != databaseID {
+				return ErrStorageHasOtherAttachedDatabases
+			}
+		}
+
+		err = s.storageService.TransferStorageToWorkspace(
+			user,
+			*backupConfig.StorageID,
+			request.TargetWorkspaceID,
+			&databaseID,
+		)
+		if err != nil {
+			return err
+		}
+	} else if request.TargetStorageID != nil {
+		targetStorage, err := s.storageService.GetStorageByID(*request.TargetStorageID)
+		if err != nil {
+			return err
+		}
+
+		if targetStorage.WorkspaceID != request.TargetWorkspaceID {
+			return ErrTargetStorageNotInTargetWorkspace
+		}
+
+		backupConfig.StorageID = request.TargetStorageID
+		backupConfig.Storage = targetStorage
+
+		_, err = s.backupConfigRepository.Save(backupConfig)
+		if err != nil {
+			return err
+		}
+	} else {
+		return ErrTargetStorageNotSpecified
+	}
+
+	err = s.databaseService.TransferDatabaseToWorkspace(databaseID, request.TargetWorkspaceID)
+	if err != nil {
+		return err
+	}
+
+	if len(request.TargetNotifierIDs) > 0 {
+		err = s.assignTargetNotifiers(databaseID, request.TargetNotifierIDs)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (s *BackupConfigService) transferNotifiers(
+	user *users_models.User,
+	database *databases.Database,
+	targetWorkspaceID uuid.UUID,
+) {
+	for _, notifier := range database.Notifiers {
+		_ = s.notifierService.TransferNotifierToWorkspace(
+			user,
+			notifier.ID,
+			targetWorkspaceID,
+			&database.ID,
+		)
+	}
+}
+
+func (s *BackupConfigService) validateTargetNotifiers(request *TransferDatabaseRequest) error {
+	for _, notifierID := range request.TargetNotifierIDs {
+		notifier, err := s.notifierService.GetNotifierByID(notifierID)
+		if err != nil {
+			return err
+		}
+
+		if notifier.WorkspaceID != request.TargetWorkspaceID {
+			return ErrTargetNotifierNotInTargetWorkspace
+		}
+	}
+	return nil
+}
+
+func (s *BackupConfigService) assignTargetNotifiers(
+	databaseID uuid.UUID,
+	notifierIDs []uuid.UUID,
+) error {
+	targetNotifiers := make([]notifiers.Notifier, 0, len(notifierIDs))
+
+	for _, notifierID := range notifierIDs {
+		notifier, err := s.notifierService.GetNotifierByID(notifierID)
+		if err != nil {
+			return err
+		}
+
+		targetNotifiers = append(targetNotifiers, *notifier)
+	}
+
+	return s.databaseService.UpdateDatabaseNotifiers(databaseID, targetNotifiers)
+}
+
 func storageIDsEqual(id1, id2 *uuid.UUID) bool {
 	if id1 == nil && id2 == nil {
 		return true

backend/internal/features/backups/config/storages_test.go

@@ -0,0 +1,229 @@
+package backups_config
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/assert"
+
+	"databasus-backend/internal/features/databases"
+	"databasus-backend/internal/features/intervals"
+	"databasus-backend/internal/features/storages"
+	users_enums "databasus-backend/internal/features/users/enums"
+	users_testing "databasus-backend/internal/features/users/testing"
+	workspaces_controllers "databasus-backend/internal/features/workspaces/controllers"
+	workspaces_testing "databasus-backend/internal/features/workspaces/testing"
+	"databasus-backend/internal/util/period"
+	test_utils "databasus-backend/internal/util/testing"
+)
+
+func Test_AttachStorageFromSameWorkspace_SuccessfullyAttached(t *testing.T) {
+	router := createTestRouterWithStorage()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+	storage := createTestStorage(workspace.ID)
+
+	timeOfDay := "04:00"
+	request := BackupConfig{
+		DatabaseID:       database.ID,
+		IsBackupsEnabled: true,
+		StorePeriod:      period.PeriodWeek,
+		BackupInterval: &intervals.Interval{
+			Interval:  intervals.IntervalDaily,
+			TimeOfDay: &timeOfDay,
+		},
+		Storage: storage,
+		SendNotificationsOn: []BackupNotificationType{
+			NotificationBackupFailed,
+		},
+		IsRetryIfFailed:     true,
+		MaxFailedTriesCount: 3,
+		Encryption:          BackupEncryptionNone,
+	}
+
+	var response BackupConfig
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/backup-configs/save",
+		"Bearer "+owner.Token,
+		request,
+		http.StatusOK,
+		&response,
+	)
+
+	assert.Equal(t, database.ID, response.DatabaseID)
+	assert.NotNil(t, response.StorageID)
+	assert.Equal(t, storage.ID, *response.StorageID)
+}
+
+func Test_AttachStorageFromDifferentWorkspace_ReturnsForbidden(t *testing.T) {
+	router := createTestRouterWithStorage()
+
+	owner1 := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace1 := workspaces_testing.CreateTestWorkspace("Workspace 1", owner1, router)
+	database := createTestDatabaseViaAPI("Test Database", workspace1.ID, owner1.Token, router)
+
+	owner2 := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace2 := workspaces_testing.CreateTestWorkspace("Workspace 2", owner2, router)
+	storage := createTestStorage(workspace2.ID)
+
+	timeOfDay := "04:00"
+	request := BackupConfig{
+		DatabaseID:       database.ID,
+		IsBackupsEnabled: true,
+		StorePeriod:      period.PeriodWeek,
+		BackupInterval: &intervals.Interval{
+			Interval:  intervals.IntervalDaily,
+			TimeOfDay: &timeOfDay,
+		},
+		Storage: storage,
+		SendNotificationsOn: []BackupNotificationType{
+			NotificationBackupFailed,
+		},
+		IsRetryIfFailed:     true,
+		MaxFailedTriesCount: 3,
+		Encryption:          BackupEncryptionNone,
+	}
+
+	testResp := test_utils.MakePostRequest(
+		t,
+		router,
+		"/api/v1/backup-configs/save",
+		"Bearer "+owner1.Token,
+		request,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(t, string(testResp.Body), "storage does not belong to the same workspace")
+}
+
+func Test_DeleteStorageWithAttachedDatabases_CannotDelete(t *testing.T) {
+	router := createTestRouterWithStorage()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+	storage := createTestStorage(workspace.ID)
+
+	timeOfDay := "04:00"
+	request := BackupConfig{
+		DatabaseID:       database.ID,
+		IsBackupsEnabled: true,
+		StorePeriod:      period.PeriodWeek,
+		BackupInterval: &intervals.Interval{
+			Interval:  intervals.IntervalDaily,
+			TimeOfDay: &timeOfDay,
+		},
+		Storage: storage,
+		SendNotificationsOn: []BackupNotificationType{
+			NotificationBackupFailed,
+		},
+		IsRetryIfFailed:     true,
+		MaxFailedTriesCount: 3,
+		Encryption:          BackupEncryptionNone,
+	}
+
+	var response BackupConfig
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/backup-configs/save",
+		"Bearer "+owner.Token,
+		request,
+		http.StatusOK,
+		&response,
+	)
+
+	testResp := test_utils.MakeDeleteRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/storages/%s", storage.ID.String()),
+		"Bearer "+owner.Token,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(
+		t,
+		string(testResp.Body),
+		"storage has attached databases and cannot be deleted",
+	)
+}
+
+func Test_TransferStorageWithAttachedDatabase_CannotTransfer(t *testing.T) {
+	router := createTestRouterWithStorage()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+	targetWorkspace := workspaces_testing.CreateTestWorkspace("Target Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+	storage := createTestStorage(workspace.ID)
+
+	timeOfDay := "04:00"
+	request := BackupConfig{
+		DatabaseID:       database.ID,
+		IsBackupsEnabled: true,
+		StorePeriod:      period.PeriodWeek,
+		BackupInterval: &intervals.Interval{
+			Interval:  intervals.IntervalDaily,
+			TimeOfDay: &timeOfDay,
+		},
+		Storage: storage,
+		SendNotificationsOn: []BackupNotificationType{
+			NotificationBackupFailed,
+		},
+		IsRetryIfFailed:     true,
+		MaxFailedTriesCount: 3,
+		Encryption:          BackupEncryptionNone,
+	}
+
+	var response BackupConfig
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/backup-configs/save",
+		"Bearer "+owner.Token,
+		request,
+		http.StatusOK,
+		&response,
+	)
+
+	transferRequest := storages.TransferStorageRequest{
+		TargetWorkspaceID: targetWorkspace.ID,
+	}
+
+	testResp := test_utils.MakePostRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/storages/%s/transfer", storage.ID.String()),
+		"Bearer "+owner.Token,
+		transferRequest,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(
+		t,
+		string(testResp.Body),
+		"storage has attached databases and cannot be transferred",
+	)
+}
+
+func createTestRouterWithStorage() *gin.Engine {
+	router := workspaces_testing.CreateTestRouter(
+		workspaces_controllers.GetWorkspaceController(),
+		workspaces_controllers.GetMembershipController(),
+		databases.GetDatabaseController(),
+		GetBackupConfigController(),
+		storages.GetStorageController(),
+	)
+
+	storages.SetupDependencies()
+	databases.SetupDependencies()
+	SetupDependencies()
+
+	return router
+}

backend/internal/features/backups/config/testing.go

@@ -28,7 +28,6 @@ func EnableBackupsForTestDatabase(
 			NotificationBackupFailed,
 			NotificationBackupSuccess,
 		},
-		CpuCount: 1,
 	}
 
 	backupConfig, err := GetBackupConfigService().SaveBackupConfig(backupConfig)

backend/internal/features/databases/controller.go

@@ -26,6 +26,7 @@ func (c *DatabaseController) RegisterRoutes(router *gin.RouterGroup) {
 	router.POST("/databases/test-connection-direct", c.TestDatabaseConnectionDirect)
 	router.POST("/databases/:id/copy", c.CopyDatabase)
 	router.GET("/databases/notifier/:id/is-using", c.IsNotifierUsing)
+	router.GET("/databases/notifier/:id/databases-count", c.CountDatabasesByNotifier)
 	router.POST("/databases/is-readonly", c.IsUserReadOnly)
 	router.POST("/databases/create-readonly-user", c.CreateReadOnlyUser)
 }
@@ -299,6 +300,39 @@ func (c *DatabaseController) IsNotifierUsing(ctx *gin.Context) {
 	ctx.JSON(http.StatusOK, gin.H{"isUsing": isUsing})
 }
 
+// CountDatabasesByNotifier
+// @Summary Count databases using a notifier
+// @Description Get the count of databases that are using a specific notifier
+// @Tags databases
+// @Produce json
+// @Param id path string true "Notifier ID"
+// @Success 200 {object} map[string]int
+// @Failure 400
+// @Failure 401
+// @Failure 500
+// @Router /databases/notifier/{id}/databases-count [get]
+func (c *DatabaseController) CountDatabasesByNotifier(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
+	id, err := uuid.Parse(ctx.Param("id"))
+	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid notifier ID"})
+		return
+	}
+
+	count, err := c.databaseService.CountDatabasesByNotifier(user, id)
+	if err != nil {
+		ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	ctx.JSON(http.StatusOK, gin.H{"count": count})
+}
+
 // CopyDatabase
 // @Summary Copy a database
 // @Description Copy an existing database configuration
@@ -358,13 +392,13 @@ func (c *DatabaseController) IsUserReadOnly(ctx *gin.Context) {
 		return
 	}
 
-	isReadOnly, err := c.databaseService.IsUserReadOnly(user, &request)
+	isReadOnly, privileges, err := c.databaseService.IsUserReadOnly(user, &request)
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	ctx.JSON(http.StatusOK, IsReadOnlyResponse{IsReadOnly: isReadOnly})
+	ctx.JSON(http.StatusOK, IsReadOnlyResponse{IsReadOnly: isReadOnly, Privileges: privileges})
 }
 
 // CreateReadOnlyUser

backend/internal/features/databases/controller_test.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
+	"strconv"
 	"strings"
 	"testing"
 
@@ -11,6 +12,7 @@ import (
 	"github.com/google/uuid"
 	"github.com/stretchr/testify/assert"
 
+	"databasus-backend/internal/config"
 	"databasus-backend/internal/features/databases/databases/mariadb"
 	"databasus-backend/internal/features/databases/databases/mongodb"
 	"databasus-backend/internal/features/databases/databases/postgresql"
@@ -32,6 +34,71 @@ func createTestRouter() *gin.Engine {
 	return router
 }
 
+func getTestPostgresConfig() *postgresql.PostgresqlDatabase {
+	env := config.GetEnv()
+	port, err := strconv.Atoi(env.TestPostgres16Port)
+	if err != nil {
+		panic(fmt.Sprintf("Failed to parse TEST_POSTGRES_16_PORT: %v", err))
+	}
+
+	testDbName := "testdb"
+	return &postgresql.PostgresqlDatabase{
+		Version:  tools.PostgresqlVersion16,
+		Host:     "localhost",
+		Port:     port,
+		Username: "testuser",
+		Password: "testpassword",
+		Database: &testDbName,
+		CpuCount: 1,
+	}
+}
+
+func getTestMariadbConfig() *mariadb.MariadbDatabase {
+	env := config.GetEnv()
+	portStr := env.TestMariadb1011Port
+	if portStr == "" {
+		portStr = "33111"
+	}
+	port, err := strconv.Atoi(portStr)
+	if err != nil {
+		panic(fmt.Sprintf("Failed to parse TEST_MARIADB_1011_PORT: %v", err))
+	}
+
+	testDbName := "testdb"
+	return &mariadb.MariadbDatabase{
+		Version:  tools.MariadbVersion1011,
+		Host:     "localhost",
+		Port:     port,
+		Username: "testuser",
+		Password: "testpassword",
+		Database: &testDbName,
+	}
+}
+
+func getTestMongodbConfig() *mongodb.MongodbDatabase {
+	env := config.GetEnv()
+	portStr := env.TestMongodb70Port
+	if portStr == "" {
+		portStr = "27070"
+	}
+	port, err := strconv.Atoi(portStr)
+	if err != nil {
+		panic(fmt.Sprintf("Failed to parse TEST_MONGODB_70_PORT: %v", err))
+	}
+
+	return &mongodb.MongodbDatabase{
+		Version:      tools.MongodbVersion7,
+		Host:         "localhost",
+		Port:         port,
+		Username:     "root",
+		Password:     "rootpassword",
+		Database:     "testdb",
+		AuthDatabase: "admin",
+		IsHttps:      false,
+		CpuCount:     1,
+	}
+}
+
 func Test_CreateDatabase_PermissionsEnforced(t *testing.T) {
 	tests := []struct {
 		name               string
@@ -84,23 +151,21 @@ func Test_CreateDatabase_PermissionsEnforced(t *testing.T) {
 				testUserToken = owner.Token
 			} else if tt.workspaceRole != nil {
 				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
-				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				workspaces_testing.AddMemberToWorkspace(
+					workspace,
+					member,
+					*tt.workspaceRole,
+					owner.Token,
+					router,
+				)
 				testUserToken = member.Token
 			}
 
-			testDbName := "test_db"
 			request := Database{
 				Name:        "Test Database",
 				WorkspaceID: &workspace.ID,
 				Type:        DatabaseTypePostgres,
-				Postgresql: &postgresql.PostgresqlDatabase{
-					Version:  tools.PostgresqlVersion16,
-					Host:     "localhost",
-					Port:     5432,
-					Username: "postgres",
-					Password: "postgres",
-					Database: &testDbName,
-				},
+				Postgresql:  getTestPostgresConfig(),
 			}
 
 			var response Database
@@ -131,19 +196,11 @@ func Test_CreateDatabase_WhenUserIsNotWorkspaceMember_ReturnsForbidden(t *testin
 
 	nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
 
-	testDbName := "test_db"
 	request := Database{
 		Name:        "Test Database",
 		WorkspaceID: &workspace.ID,
 		Type:        DatabaseTypePostgres,
-		Postgresql: &postgresql.PostgresqlDatabase{
-			Version:  tools.PostgresqlVersion16,
-			Host:     "localhost",
-			Port:     5432,
-			Username: "postgres",
-			Password: "postgres",
-			Database: &testDbName,
-		},
+		Postgresql:  getTestPostgresConfig(),
 	}
 
 	testResp := test_utils.MakePostRequest(
@@ -212,7 +269,13 @@ func Test_UpdateDatabase_PermissionsEnforced(t *testing.T) {
 				testUserToken = owner.Token
 			} else if tt.workspaceRole != nil {
 				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
-				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				workspaces_testing.AddMemberToWorkspace(
+					workspace,
+					member,
+					*tt.workspaceRole,
+					owner.Token,
+					router,
+				)
 				testUserToken = member.Token
 			}
 
@@ -314,7 +377,13 @@ func Test_DeleteDatabase_PermissionsEnforced(t *testing.T) {
 				testUserToken = owner.Token
 			} else if tt.workspaceRole != nil {
 				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
-				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				workspaces_testing.AddMemberToWorkspace(
+					workspace,
+					member,
+					*tt.workspaceRole,
+					owner.Token,
+					router,
+				)
 				testUserToken = member.Token
 			}
 
@@ -379,7 +448,13 @@ func Test_GetDatabase_PermissionsEnforced(t *testing.T) {
 				testUser = admin.Token
 			} else if tt.userRole != nil {
 				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
-				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.userRole, owner.Token, router)
+				workspaces_testing.AddMemberToWorkspace(
+					workspace,
+					member,
+					*tt.userRole,
+					owner.Token,
+					router,
+				)
 				testUser = member.Token
 			} else {
 				nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
@@ -603,7 +678,13 @@ func Test_CopyDatabase_PermissionsEnforced(t *testing.T) {
 				testUserToken = owner.Token
 			} else if tt.workspaceRole != nil {
 				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
-				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				workspaces_testing.AddMemberToWorkspace(
+					workspace,
+					member,
+					*tt.workspaceRole,
+					owner.Token,
+					router,
+				)
 				testUserToken = member.Token
 			}
 
@@ -735,7 +816,13 @@ func createTestDatabaseViaAPI(
 	token string,
 	router *gin.Engine,
 ) *Database {
-	testDbName := "test_db"
+	env := config.GetEnv()
+	port, err := strconv.Atoi(env.TestPostgres16Port)
+	if err != nil {
+		panic(fmt.Sprintf("Failed to parse TEST_POSTGRES_16_PORT: %v", err))
+	}
+
+	testDbName := "testdb"
 	request := Database{
 		Name:        name,
 		WorkspaceID: &workspaceID,
@@ -743,10 +830,11 @@ func createTestDatabaseViaAPI(
 		Postgresql: &postgresql.PostgresqlDatabase{
 			Version:  tools.PostgresqlVersion16,
 			Host:     "localhost",
-			Port:     5432,
-			Username: "postgres",
-			Password: "postgres",
+			Port:     port,
+			Username: "testuser",
+			Password: "testpassword",
 			Database: &testDbName,
+			CpuCount: 1,
 		},
 	}
 
@@ -777,20 +865,14 @@ func Test_CreateDatabase_PasswordIsEncryptedInDB(t *testing.T) {
 	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
 	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
 
-	testDbName := "test_db"
-	plainPassword := "my-super-secret-password-123"
+	pgConfig := getTestPostgresConfig()
+	plainPassword := "testpassword"
+	pgConfig.Password = plainPassword
 	request := Database{
 		Name:        "Test Database",
 		WorkspaceID: &workspace.ID,
 		Type:        DatabaseTypePostgres,
-		Postgresql: &postgresql.PostgresqlDatabase{
-			Version:  tools.PostgresqlVersion16,
-			Host:     "localhost",
-			Port:     5432,
-			Username: "postgres",
-			Password: plainPassword,
-			Database: &testDbName,
-		},
+		Postgresql:  pgConfig,
 	}
 
 	var createdDatabase Database
@@ -850,36 +932,23 @@ func Test_DatabaseSensitiveDataLifecycle_AllTypes(t *testing.T) {
 			name:         "PostgreSQL Database",
 			databaseType: DatabaseTypePostgres,
 			createDatabase: func(workspaceID uuid.UUID) *Database {
-				testDbName := "test_db"
+				pgConfig := getTestPostgresConfig()
 				return &Database{
 					WorkspaceID: &workspaceID,
 					Name:        "Test PostgreSQL Database",
 					Type:        DatabaseTypePostgres,
-					Postgresql: &postgresql.PostgresqlDatabase{
-						Version:  tools.PostgresqlVersion16,
-						Host:     "localhost",
-						Port:     5432,
-						Username: "postgres",
-						Password: "original-password-secret",
-						Database: &testDbName,
-					},
+					Postgresql:  pgConfig,
 				}
 			},
 			updateDatabase: func(workspaceID uuid.UUID, databaseID uuid.UUID) *Database {
-				testDbName := "updated_test_db"
+				pgConfig := getTestPostgresConfig()
+				pgConfig.Password = ""
 				return &Database{
 					ID:          databaseID,
 					WorkspaceID: &workspaceID,
 					Name:        "Updated PostgreSQL Database",
 					Type:        DatabaseTypePostgres,
-					Postgresql: &postgresql.PostgresqlDatabase{
-						Version:  tools.PostgresqlVersion17,
-						Host:     "updated-host",
-						Port:     5433,
-						Username: "updated_user",
-						Password: "",
-						Database: &testDbName,
-					},
+					Postgresql:  pgConfig,
 				}
 			},
 			verifySensitiveData: func(t *testing.T, database *Database) {
@@ -889,7 +958,7 @@ func Test_DatabaseSensitiveDataLifecycle_AllTypes(t *testing.T) {
 				encryptor := encryption.GetFieldEncryptor()
 				decrypted, err := encryptor.Decrypt(database.ID, database.Postgresql.Password)
 				assert.NoError(t, err)
-				assert.Equal(t, "original-password-secret", decrypted)
+				assert.Equal(t, "testpassword", decrypted)
 			},
 			verifyHiddenData: func(t *testing.T, database *Database) {
 				assert.Equal(t, "", database.Postgresql.Password)
@@ -899,36 +968,23 @@ func Test_DatabaseSensitiveDataLifecycle_AllTypes(t *testing.T) {
 			name:         "MariaDB Database",
 			databaseType: DatabaseTypeMariadb,
 			createDatabase: func(workspaceID uuid.UUID) *Database {
-				testDbName := "test_db"
+				mariaConfig := getTestMariadbConfig()
 				return &Database{
 					WorkspaceID: &workspaceID,
 					Name:        "Test MariaDB Database",
 					Type:        DatabaseTypeMariadb,
-					Mariadb: &mariadb.MariadbDatabase{
-						Version:  tools.MariadbVersion1011,
-						Host:     "localhost",
-						Port:     3306,
-						Username: "root",
-						Password: "original-password-secret",
-						Database: &testDbName,
-					},
+					Mariadb:     mariaConfig,
 				}
 			},
 			updateDatabase: func(workspaceID uuid.UUID, databaseID uuid.UUID) *Database {
-				testDbName := "updated_test_db"
+				mariaConfig := getTestMariadbConfig()
+				mariaConfig.Password = ""
 				return &Database{
 					ID:          databaseID,
 					WorkspaceID: &workspaceID,
 					Name:        "Updated MariaDB Database",
 					Type:        DatabaseTypeMariadb,
-					Mariadb: &mariadb.MariadbDatabase{
-						Version:  tools.MariadbVersion114,
-						Host:     "updated-host",
-						Port:     3307,
-						Username: "updated_user",
-						Password: "",
-						Database: &testDbName,
-					},
+					Mariadb:     mariaConfig,
 				}
 			},
 			verifySensitiveData: func(t *testing.T, database *Database) {
@@ -938,7 +994,7 @@ func Test_DatabaseSensitiveDataLifecycle_AllTypes(t *testing.T) {
 				encryptor := encryption.GetFieldEncryptor()
 				decrypted, err := encryptor.Decrypt(database.ID, database.Mariadb.Password)
 				assert.NoError(t, err)
-				assert.Equal(t, "original-password-secret", decrypted)
+				assert.Equal(t, "testpassword", decrypted)
 			},
 			verifyHiddenData: func(t *testing.T, database *Database) {
 				assert.Equal(t, "", database.Mariadb.Password)
@@ -948,38 +1004,23 @@ func Test_DatabaseSensitiveDataLifecycle_AllTypes(t *testing.T) {
 			name:         "MongoDB Database",
 			databaseType: DatabaseTypeMongodb,
 			createDatabase: func(workspaceID uuid.UUID) *Database {
+				mongoConfig := getTestMongodbConfig()
 				return &Database{
 					WorkspaceID: &workspaceID,
 					Name:        "Test MongoDB Database",
 					Type:        DatabaseTypeMongodb,
-					Mongodb: &mongodb.MongodbDatabase{
-						Version:      tools.MongodbVersion7,
-						Host:         "localhost",
-						Port:         27017,
-						Username:     "root",
-						Password:     "original-password-secret",
-						Database:     "test_db",
-						AuthDatabase: "admin",
-						IsHttps:      false,
-					},
+					Mongodb:     mongoConfig,
 				}
 			},
 			updateDatabase: func(workspaceID uuid.UUID, databaseID uuid.UUID) *Database {
+				mongoConfig := getTestMongodbConfig()
+				mongoConfig.Password = ""
 				return &Database{
 					ID:          databaseID,
 					WorkspaceID: &workspaceID,
 					Name:        "Updated MongoDB Database",
 					Type:        DatabaseTypeMongodb,
-					Mongodb: &mongodb.MongodbDatabase{
-						Version:      tools.MongodbVersion8,
-						Host:         "updated-host",
-						Port:         27018,
-						Username:     "updated_user",
-						Password:     "",
-						Database:     "updated_test_db",
-						AuthDatabase: "admin",
-						IsHttps:      false,
-					},
+					Mongodb:     mongoConfig,
 				}
 			},
 			verifySensitiveData: func(t *testing.T, database *Database) {
@@ -989,7 +1030,7 @@ func Test_DatabaseSensitiveDataLifecycle_AllTypes(t *testing.T) {
 				encryptor := encryption.GetFieldEncryptor()
 				decrypted, err := encryptor.Decrypt(database.ID, database.Mongodb.Password)
 				assert.NoError(t, err)
-				assert.Equal(t, "original-password-secret", decrypted)
+				assert.Equal(t, "rootpassword", decrypted)
 			},
 			verifyHiddenData: func(t *testing.T, database *Database) {
 				assert.Equal(t, "", database.Mongodb.Password)

backend/internal/features/databases/databases/mariadb/model.go

@@ -2,18 +2,20 @@ package mariadb
 
 import (
 	"context"
+	"crypto/tls"
 	"database/sql"
 	"errors"
 	"fmt"
 	"log/slog"
 	"regexp"
+	"sort"
 	"strings"
 	"time"
 
 	"databasus-backend/internal/util/encryption"
 	"databasus-backend/internal/util/tools"
 
-	_ "github.com/go-sql-driver/mysql"
+	"github.com/go-sql-driver/mysql"
 	"github.com/google/uuid"
 )
 
@@ -23,12 +25,13 @@ type MariadbDatabase struct {
 
 	Version tools.MariadbVersion `json:"version" gorm:"type:text;not null"`
 
-	Host     string  `json:"host"     gorm:"type:text;not null"`
-	Port     int     `json:"port"     gorm:"type:int;not null"`
-	Username string  `json:"username" gorm:"type:text;not null"`
-	Password string  `json:"password" gorm:"type:text;not null"`
-	Database *string `json:"database" gorm:"type:text"`
-	IsHttps  bool    `json:"isHttps"  gorm:"type:boolean;default:false"`
+	Host       string  `json:"host"       gorm:"type:text;not null"`
+	Port       int     `json:"port"       gorm:"type:int;not null"`
+	Username   string  `json:"username"   gorm:"type:text;not null"`
+	Password   string  `json:"password"   gorm:"type:text;not null"`
+	Database   *string `json:"database"   gorm:"type:text"`
+	IsHttps    bool    `json:"isHttps"    gorm:"type:boolean;default:false"`
+	Privileges string  `json:"privileges" gorm:"column:privileges;type:text;not null;default:''"`
 }
 
 func (m *MariadbDatabase) TableName() string {
@@ -94,6 +97,16 @@ func (m *MariadbDatabase) TestConnection(
 	}
 	m.Version = detectedVersion
 
+	privileges, err := detectPrivileges(ctx, db, *m.Database)
+	if err != nil {
+		return err
+	}
+	m.Privileges = privileges
+
+	if err := checkBackupPermissions(m.Privileges); err != nil {
+		return err
+	}
+
 	return nil
 }
 
@@ -111,6 +124,7 @@ func (m *MariadbDatabase) Update(incoming *MariadbDatabase) {
 	m.Username = incoming.Username
 	m.Database = incoming.Database
 	m.IsHttps = incoming.IsHttps
+	m.Privileges = incoming.Privileges
 
 	if incoming.Password != "" {
 		m.Password = incoming.Password
@@ -131,15 +145,48 @@ func (m *MariadbDatabase) EncryptSensitiveFields(
 	return nil
 }
 
-func (m *MariadbDatabase) PopulateVersionIfEmpty(
+func (m *MariadbDatabase) PopulateDbData(
 	logger *slog.Logger,
 	encryptor encryption.FieldEncryptor,
 	databaseID uuid.UUID,
 ) error {
-	if m.Version != "" {
+	if m.Database == nil || *m.Database == "" {
 		return nil
 	}
-	return m.PopulateVersion(logger, encryptor, databaseID)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+
+	password, err := decryptPasswordIfNeeded(m.Password, encryptor, databaseID)
+	if err != nil {
+		return fmt.Errorf("failed to decrypt password: %w", err)
+	}
+
+	dsn := m.buildDSN(password, *m.Database)
+
+	db, err := sql.Open("mysql", dsn)
+	if err != nil {
+		return fmt.Errorf("failed to connect to database: %w", err)
+	}
+	defer func() {
+		if closeErr := db.Close(); closeErr != nil {
+			logger.Error("Failed to close connection", "error", closeErr)
+		}
+	}()
+
+	detectedVersion, err := detectMariadbVersion(ctx, db)
+	if err != nil {
+		return err
+	}
+	m.Version = detectedVersion
+
+	privileges, err := detectPrivileges(ctx, db, *m.Database)
+	if err != nil {
+		return err
+	}
+	m.Privileges = privileges
+
+	return nil
 }
 
 func (m *MariadbDatabase) PopulateVersion(
@@ -175,8 +222,8 @@ func (m *MariadbDatabase) PopulateVersion(
 	if err != nil {
 		return err
 	}
-
 	m.Version = detectedVersion
+
 	return nil
 }
 
@@ -185,17 +232,17 @@ func (m *MariadbDatabase) IsUserReadOnly(
 	logger *slog.Logger,
 	encryptor encryption.FieldEncryptor,
 	databaseID uuid.UUID,
-) (bool, error) {
+) (bool, []string, error) {
 	password, err := decryptPasswordIfNeeded(m.Password, encryptor, databaseID)
 	if err != nil {
-		return false, fmt.Errorf("failed to decrypt password: %w", err)
+		return false, nil, fmt.Errorf("failed to decrypt password: %w", err)
 	}
 
 	dsn := m.buildDSN(password, *m.Database)
 
 	db, err := sql.Open("mysql", dsn)
 	if err != nil {
-		return false, fmt.Errorf("failed to connect to database: %w", err)
+		return false, nil, fmt.Errorf("failed to connect to database: %w", err)
 	}
 	defer func() {
 		if closeErr := db.Close(); closeErr != nil {
@@ -205,33 +252,44 @@ func (m *MariadbDatabase) IsUserReadOnly(
 
 	rows, err := db.QueryContext(ctx, "SHOW GRANTS FOR CURRENT_USER()")
 	if err != nil {
-		return false, fmt.Errorf("failed to check grants: %w", err)
+		return false, nil, fmt.Errorf("failed to check grants: %w", err)
 	}
 	defer func() { _ = rows.Close() }()
 
 	writePrivileges := []string{
 		"INSERT", "UPDATE", "DELETE", "CREATE", "DROP", "ALTER",
 		"INDEX", "GRANT OPTION", "ALL PRIVILEGES", "SUPER",
+		"EXECUTE", "FILE", "RELOAD", "SHUTDOWN", "CREATE ROUTINE",
+		"ALTER ROUTINE", "CREATE USER",
+		"CREATE TABLESPACE", "DELETE HISTORY", "REFERENCES",
 	}
 
+	detectedPrivileges := make(map[string]bool)
+
 	for rows.Next() {
 		var grant string
 		if err := rows.Scan(&grant); err != nil {
-			return false, fmt.Errorf("failed to scan grant: %w", err)
+			return false, nil, fmt.Errorf("failed to scan grant: %w", err)
 		}
 
 		for _, priv := range writePrivileges {
 			if regexp.MustCompile(`(?i)\b` + priv + `\b`).MatchString(grant) {
-				return false, nil
+				detectedPrivileges[priv] = true
 			}
 		}
 	}
 
 	if err := rows.Err(); err != nil {
-		return false, fmt.Errorf("error iterating grants: %w", err)
+		return false, nil, fmt.Errorf("error iterating grants: %w", err)
 	}
 
-	return true, nil
+	privileges := make([]string, 0, len(detectedPrivileges))
+	for priv := range detectedPrivileges {
+		privileges = append(privileges, priv)
+	}
+
+	isReadOnly := len(privileges) == 0
+	return isReadOnly, privileges, nil
 }
 
 func (m *MariadbDatabase) CreateReadOnlyUser(
@@ -261,7 +319,7 @@ func (m *MariadbDatabase) CreateReadOnlyUser(
 	for attempt := range maxRetries {
 		// MariaDB 5.5 has a 16-character username limit, use shorter prefix
 		newUsername := fmt.Sprintf("pgs-%s", uuid.New().String()[:8])
-		newPassword := uuid.New().String()
+		newPassword := encryption.GenerateComplexPassword()
 
 		tx, err := db.BeginTx(ctx, nil)
 		if err != nil {
@@ -326,10 +384,31 @@ func (m *MariadbDatabase) CreateReadOnlyUser(
 	return "", "", errors.New("failed to generate unique username after 3 attempts")
 }
 
+func (m *MariadbDatabase) HasPrivilege(priv string) bool {
+	return HasPrivilege(m.Privileges, priv)
+}
+
+func HasPrivilege(privileges, priv string) bool {
+	for _, p := range strings.Split(privileges, ",") {
+		if strings.TrimSpace(p) == priv {
+			return true
+		}
+	}
+	return false
+}
+
 func (m *MariadbDatabase) buildDSN(password string, database string) string {
 	tlsConfig := "false"
+
 	if m.IsHttps {
-		tlsConfig = "true"
+		err := mysql.RegisterTLSConfig("mariadb-skip-verify", &tls.Config{
+			InsecureSkipVerify: true,
+		})
+		if err != nil {
+			// Config might already be registered, which is fine
+			_ = err
+		}
+		tlsConfig = "mariadb-skip-verify"
 	}
 
 	return fmt.Sprintf(
@@ -420,6 +499,104 @@ func mapMariadb11xVersion(minor string) (tools.MariadbVersion, error) {
 	}
 }
 
+// detectPrivileges detects backup-related privileges and returns them as comma-separated string
+func detectPrivileges(ctx context.Context, db *sql.DB, database string) (string, error) {
+	rows, err := db.QueryContext(ctx, "SHOW GRANTS FOR CURRENT_USER()")
+	if err != nil {
+		return "", fmt.Errorf("failed to check grants: %w", err)
+	}
+	defer func() { _ = rows.Close() }()
+
+	backupPrivileges := []string{
+		"SELECT", "SHOW VIEW", "LOCK TABLES", "TRIGGER", "EVENT",
+	}
+
+	detectedPrivileges := make(map[string]bool)
+	hasProcess := false
+	hasAllPrivileges := false
+
+	dbPatternStr := fmt.Sprintf(
+		`(?i)ON\s+[\x60'"]?%s[\x60'"]?\s*\.\s*\*`,
+		regexp.QuoteMeta(database),
+	)
+	dbPattern := regexp.MustCompile(dbPatternStr)
+	globalPattern := regexp.MustCompile(`(?i)ON\s+\*\s*\.\s*\*`)
+	allPrivilegesPattern := regexp.MustCompile(`(?i)\bALL\s+PRIVILEGES\b`)
+
+	for rows.Next() {
+		var grant string
+		if err := rows.Scan(&grant); err != nil {
+			return "", fmt.Errorf("failed to scan grant: %w", err)
+		}
+
+		isRelevantGrant := globalPattern.MatchString(grant) || dbPattern.MatchString(grant)
+
+		if allPrivilegesPattern.MatchString(grant) && isRelevantGrant {
+			hasAllPrivileges = true
+		}
+
+		if isRelevantGrant {
+			for _, priv := range backupPrivileges {
+				privPattern := regexp.MustCompile(`(?i)\b` + regexp.QuoteMeta(priv) + `\b`)
+				if privPattern.MatchString(grant) {
+					detectedPrivileges[priv] = true
+				}
+			}
+		}
+
+		if globalPattern.MatchString(grant) {
+			processPattern := regexp.MustCompile(`(?i)\bPROCESS\b`)
+			if processPattern.MatchString(grant) {
+				hasProcess = true
+			}
+		}
+	}
+
+	if err := rows.Err(); err != nil {
+		return "", fmt.Errorf("error iterating grants: %w", err)
+	}
+
+	if hasAllPrivileges {
+		for _, priv := range backupPrivileges {
+			detectedPrivileges[priv] = true
+		}
+		hasProcess = true
+	}
+
+	privileges := make([]string, 0, len(detectedPrivileges)+1)
+	for priv := range detectedPrivileges {
+		privileges = append(privileges, priv)
+	}
+	if hasProcess {
+		privileges = append(privileges, "PROCESS")
+	}
+
+	sort.Strings(privileges)
+	return strings.Join(privileges, ","), nil
+}
+
+// checkBackupPermissions verifies the user has sufficient privileges for mariadb-dump backup.
+// Required: SELECT, SHOW VIEW
+func checkBackupPermissions(privileges string) error {
+	requiredPrivileges := []string{"SELECT", "SHOW VIEW"}
+
+	var missingPrivileges []string
+	for _, priv := range requiredPrivileges {
+		if !HasPrivilege(privileges, priv) {
+			missingPrivileges = append(missingPrivileges, priv)
+		}
+	}
+
+	if len(missingPrivileges) > 0 {
+		return fmt.Errorf(
+			"insufficient permissions for backup. Missing: %s. Required: SELECT, SHOW VIEW",
+			strings.Join(missingPrivileges, ", "),
+		)
+	}
+
+	return nil
+}
+
 func decryptPasswordIfNeeded(
 	password string,
 	encryptor encryption.FieldEncryptor,

backend/internal/features/databases/databases/mariadb/model_test.go

@@ -0,0 +1,757 @@
+package mariadb
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"os"
+	"strconv"
+	"strings"
+	"testing"
+
+	_ "github.com/go-sql-driver/mysql"
+	"github.com/google/uuid"
+	"github.com/jmoiron/sqlx"
+	"github.com/stretchr/testify/assert"
+
+	"databasus-backend/internal/config"
+	"databasus-backend/internal/util/tools"
+)
+
+func Test_TestConnection_InsufficientPermissions_ReturnsError(t *testing.T) {
+	env := config.GetEnv()
+	cases := []struct {
+		name    string
+		version tools.MariadbVersion
+		port    string
+	}{
+		{"MariaDB 5.5", tools.MariadbVersion55, env.TestMariadb55Port},
+		{"MariaDB 10.1", tools.MariadbVersion101, env.TestMariadb101Port},
+		{"MariaDB 10.2", tools.MariadbVersion102, env.TestMariadb102Port},
+		{"MariaDB 10.3", tools.MariadbVersion103, env.TestMariadb103Port},
+		{"MariaDB 10.4", tools.MariadbVersion104, env.TestMariadb104Port},
+		{"MariaDB 10.5", tools.MariadbVersion105, env.TestMariadb105Port},
+		{"MariaDB 10.6", tools.MariadbVersion106, env.TestMariadb106Port},
+		{"MariaDB 10.11", tools.MariadbVersion1011, env.TestMariadb1011Port},
+		{"MariaDB 11.4", tools.MariadbVersion114, env.TestMariadb114Port},
+		{"MariaDB 11.8", tools.MariadbVersion118, env.TestMariadb118Port},
+		{"MariaDB 12.0", tools.MariadbVersion120, env.TestMariadb120Port},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			container := connectToMariadbContainer(t, tc.port, tc.version)
+			defer container.DB.Close()
+
+			_, err := container.DB.Exec(`DROP TABLE IF EXISTS permission_test`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`CREATE TABLE permission_test (
+				id INT AUTO_INCREMENT PRIMARY KEY,
+				data VARCHAR(255) NOT NULL
+			)`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`INSERT INTO permission_test (data) VALUES ('test1')`)
+			assert.NoError(t, err)
+
+			limitedUsername := fmt.Sprintf("limited_%s", uuid.New().String()[:8])
+			limitedPassword := "limitedpassword123"
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"CREATE USER '%s'@'%%' IDENTIFIED BY '%s'",
+				limitedUsername,
+				limitedPassword,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"GRANT SELECT ON `%s`.* TO '%s'@'%%'",
+				container.Database,
+				limitedUsername,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec("FLUSH PRIVILEGES")
+			assert.NoError(t, err)
+
+			defer dropUserSafe(container.DB, limitedUsername)
+
+			mariadbModel := &MariadbDatabase{
+				Version:  tc.version,
+				Host:     container.Host,
+				Port:     container.Port,
+				Username: limitedUsername,
+				Password: limitedPassword,
+				Database: &container.Database,
+				IsHttps:  false,
+			}
+
+			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+			err = mariadbModel.TestConnection(logger, nil, uuid.New())
+			assert.Error(t, err)
+			assert.Contains(t, err.Error(), "insufficient permissions")
+		})
+	}
+}
+
+func Test_TestConnection_SufficientPermissions_Success(t *testing.T) {
+	env := config.GetEnv()
+	cases := []struct {
+		name    string
+		version tools.MariadbVersion
+		port    string
+	}{
+		{"MariaDB 5.5", tools.MariadbVersion55, env.TestMariadb55Port},
+		{"MariaDB 10.1", tools.MariadbVersion101, env.TestMariadb101Port},
+		{"MariaDB 10.2", tools.MariadbVersion102, env.TestMariadb102Port},
+		{"MariaDB 10.3", tools.MariadbVersion103, env.TestMariadb103Port},
+		{"MariaDB 10.4", tools.MariadbVersion104, env.TestMariadb104Port},
+		{"MariaDB 10.5", tools.MariadbVersion105, env.TestMariadb105Port},
+		{"MariaDB 10.6", tools.MariadbVersion106, env.TestMariadb106Port},
+		{"MariaDB 10.11", tools.MariadbVersion1011, env.TestMariadb1011Port},
+		{"MariaDB 11.4", tools.MariadbVersion114, env.TestMariadb114Port},
+		{"MariaDB 11.8", tools.MariadbVersion118, env.TestMariadb118Port},
+		{"MariaDB 12.0", tools.MariadbVersion120, env.TestMariadb120Port},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			container := connectToMariadbContainer(t, tc.port, tc.version)
+			defer container.DB.Close()
+
+			_, err := container.DB.Exec(`DROP TABLE IF EXISTS backup_test`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`CREATE TABLE backup_test (
+				id INT AUTO_INCREMENT PRIMARY KEY,
+				data VARCHAR(255) NOT NULL
+			)`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`INSERT INTO backup_test (data) VALUES ('test1')`)
+			assert.NoError(t, err)
+
+			backupUsername := fmt.Sprintf("backup_%s", uuid.New().String()[:8])
+			backupPassword := "backuppassword123"
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"CREATE USER '%s'@'%%' IDENTIFIED BY '%s'",
+				backupUsername,
+				backupPassword,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"GRANT SELECT, SHOW VIEW, LOCK TABLES, TRIGGER, EVENT ON `%s`.* TO '%s'@'%%'",
+				container.Database,
+				backupUsername,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"GRANT PROCESS ON *.* TO '%s'@'%%'",
+				backupUsername,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec("FLUSH PRIVILEGES")
+			assert.NoError(t, err)
+
+			defer dropUserSafe(container.DB, backupUsername)
+
+			mariadbModel := &MariadbDatabase{
+				Version:  tc.version,
+				Host:     container.Host,
+				Port:     container.Port,
+				Username: backupUsername,
+				Password: backupPassword,
+				Database: &container.Database,
+				IsHttps:  false,
+			}
+
+			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+			err = mariadbModel.TestConnection(logger, nil, uuid.New())
+			assert.NoError(t, err)
+		})
+	}
+}
+
+func Test_IsUserReadOnly_AdminUser_ReturnsFalse(t *testing.T) {
+	env := config.GetEnv()
+	cases := []struct {
+		name    string
+		version tools.MariadbVersion
+		port    string
+	}{
+		{"MariaDB 5.5", tools.MariadbVersion55, env.TestMariadb55Port},
+		{"MariaDB 10.1", tools.MariadbVersion101, env.TestMariadb101Port},
+		{"MariaDB 10.2", tools.MariadbVersion102, env.TestMariadb102Port},
+		{"MariaDB 10.3", tools.MariadbVersion103, env.TestMariadb103Port},
+		{"MariaDB 10.4", tools.MariadbVersion104, env.TestMariadb104Port},
+		{"MariaDB 10.5", tools.MariadbVersion105, env.TestMariadb105Port},
+		{"MariaDB 10.6", tools.MariadbVersion106, env.TestMariadb106Port},
+		{"MariaDB 10.11", tools.MariadbVersion1011, env.TestMariadb1011Port},
+		{"MariaDB 11.4", tools.MariadbVersion114, env.TestMariadb114Port},
+		{"MariaDB 11.8", tools.MariadbVersion118, env.TestMariadb118Port},
+		{"MariaDB 12.0", tools.MariadbVersion120, env.TestMariadb120Port},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			container := connectToMariadbContainer(t, tc.port, tc.version)
+			defer container.DB.Close()
+
+			mariadbModel := createMariadbModel(container)
+			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+			ctx := context.Background()
+
+			isReadOnly, privileges, err := mariadbModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
+			assert.NoError(t, err)
+			assert.False(t, isReadOnly, "Root user should not be read-only")
+			assert.NotEmpty(t, privileges, "Root user should have privileges")
+		})
+	}
+}
+
+func Test_IsUserReadOnly_ReadOnlyUser_ReturnsTrue(t *testing.T) {
+	env := config.GetEnv()
+	container := connectToMariadbContainer(t, env.TestMariadb1011Port, tools.MariadbVersion1011)
+	defer container.DB.Close()
+
+	_, err := container.DB.Exec(`DROP TABLE IF EXISTS readonly_check_test`)
+	assert.NoError(t, err)
+
+	_, err = container.DB.Exec(`CREATE TABLE readonly_check_test (
+			id INT AUTO_INCREMENT PRIMARY KEY,
+			data VARCHAR(255) NOT NULL
+		)`)
+	assert.NoError(t, err)
+
+	_, err = container.DB.Exec(`INSERT INTO readonly_check_test (data) VALUES ('test1')`)
+	assert.NoError(t, err)
+
+	mariadbModel := createMariadbModel(container)
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+	ctx := context.Background()
+
+	username, password, err := mariadbModel.CreateReadOnlyUser(ctx, logger, nil, uuid.New())
+	assert.NoError(t, err)
+
+	readOnlyModel := &MariadbDatabase{
+		Version:  mariadbModel.Version,
+		Host:     mariadbModel.Host,
+		Port:     mariadbModel.Port,
+		Username: username,
+		Password: password,
+		Database: mariadbModel.Database,
+		IsHttps:  false,
+	}
+
+	isReadOnly, privileges, err := readOnlyModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
+	assert.NoError(t, err)
+	assert.True(t, isReadOnly, "Read-only user should be read-only")
+	assert.Empty(t, privileges, "Read-only user should have no write privileges")
+
+	dropUserSafe(container.DB, username)
+}
+
+func Test_CreateReadOnlyUser_UserCanReadButNotWrite(t *testing.T) {
+	env := config.GetEnv()
+	cases := []struct {
+		name    string
+		version tools.MariadbVersion
+		port    string
+	}{
+		{"MariaDB 5.5", tools.MariadbVersion55, env.TestMariadb55Port},
+		{"MariaDB 10.1", tools.MariadbVersion101, env.TestMariadb101Port},
+		{"MariaDB 10.2", tools.MariadbVersion102, env.TestMariadb102Port},
+		{"MariaDB 10.3", tools.MariadbVersion103, env.TestMariadb103Port},
+		{"MariaDB 10.4", tools.MariadbVersion104, env.TestMariadb104Port},
+		{"MariaDB 10.5", tools.MariadbVersion105, env.TestMariadb105Port},
+		{"MariaDB 10.6", tools.MariadbVersion106, env.TestMariadb106Port},
+		{"MariaDB 10.11", tools.MariadbVersion1011, env.TestMariadb1011Port},
+		{"MariaDB 11.4", tools.MariadbVersion114, env.TestMariadb114Port},
+		{"MariaDB 11.8", tools.MariadbVersion118, env.TestMariadb118Port},
+		{"MariaDB 12.0", tools.MariadbVersion120, env.TestMariadb120Port},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			container := connectToMariadbContainer(t, tc.port, tc.version)
+			defer container.DB.Close()
+
+			_, err := container.DB.Exec(`DROP TABLE IF EXISTS readonly_test`)
+			assert.NoError(t, err)
+			_, err = container.DB.Exec(`DROP TABLE IF EXISTS hack_table`)
+			assert.NoError(t, err)
+			_, err = container.DB.Exec(`DROP TABLE IF EXISTS future_table`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`
+				CREATE TABLE readonly_test (
+					id INT AUTO_INCREMENT PRIMARY KEY,
+					data VARCHAR(255) NOT NULL
+				)
+			`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(
+				`INSERT INTO readonly_test (data) VALUES ('test1'), ('test2')`,
+			)
+			assert.NoError(t, err)
+
+			mariadbModel := createMariadbModel(container)
+			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+			ctx := context.Background()
+
+			username, password, err := mariadbModel.CreateReadOnlyUser(ctx, logger, nil, uuid.New())
+			assert.NoError(t, err)
+			assert.NotEmpty(t, username)
+			assert.NotEmpty(t, password)
+			assert.True(t, strings.HasPrefix(username, "pgs-"))
+
+			if err != nil {
+				return
+			}
+
+			readOnlyModel := &MariadbDatabase{
+				Version:  mariadbModel.Version,
+				Host:     mariadbModel.Host,
+				Port:     mariadbModel.Port,
+				Username: username,
+				Password: password,
+				Database: mariadbModel.Database,
+				IsHttps:  false,
+			}
+
+			isReadOnly, privileges, err := readOnlyModel.IsUserReadOnly(
+				ctx,
+				logger,
+				nil,
+				uuid.New(),
+			)
+			assert.NoError(t, err)
+			assert.True(t, isReadOnly, "Created user should be read-only")
+			assert.Empty(t, privileges, "Read-only user should have no write privileges")
+
+			readOnlyDSN := fmt.Sprintf(
+				"%s:%s@tcp(%s:%d)/%s?parseTime=true",
+				username,
+				password,
+				container.Host,
+				container.Port,
+				container.Database,
+			)
+			readOnlyConn, err := sqlx.Connect("mysql", readOnlyDSN)
+			assert.NoError(t, err)
+			defer readOnlyConn.Close()
+
+			var count int
+			err = readOnlyConn.Get(&count, "SELECT COUNT(*) FROM readonly_test")
+			assert.NoError(t, err)
+			assert.Equal(t, 2, count)
+
+			_, err = readOnlyConn.Exec("INSERT INTO readonly_test (data) VALUES ('should-fail')")
+			assert.Error(t, err)
+			assert.Contains(t, strings.ToLower(err.Error()), "denied")
+
+			_, err = readOnlyConn.Exec("UPDATE readonly_test SET data = 'hacked' WHERE id = 1")
+			assert.Error(t, err)
+			assert.Contains(t, strings.ToLower(err.Error()), "denied")
+
+			_, err = readOnlyConn.Exec("DELETE FROM readonly_test WHERE id = 1")
+			assert.Error(t, err)
+			assert.Contains(t, strings.ToLower(err.Error()), "denied")
+
+			_, err = readOnlyConn.Exec("CREATE TABLE hack_table (id INT)")
+			assert.Error(t, err)
+			assert.Contains(t, strings.ToLower(err.Error()), "denied")
+
+			dropUserSafe(container.DB, username)
+		})
+	}
+}
+
+func Test_ReadOnlyUser_FutureTables_NoSelectPermission(t *testing.T) {
+	env := config.GetEnv()
+	container := connectToMariadbContainer(t, env.TestMariadb1011Port, tools.MariadbVersion1011)
+	defer container.DB.Close()
+
+	mariadbModel := createMariadbModel(container)
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+	ctx := context.Background()
+
+	username, password, err := mariadbModel.CreateReadOnlyUser(ctx, logger, nil, uuid.New())
+	assert.NoError(t, err)
+
+	_, err = container.DB.Exec(`DROP TABLE IF EXISTS future_table`)
+	assert.NoError(t, err)
+	_, err = container.DB.Exec(`
+		CREATE TABLE future_table (
+			id INT AUTO_INCREMENT PRIMARY KEY,
+			data VARCHAR(255) NOT NULL
+		)
+	`)
+	assert.NoError(t, err)
+	_, err = container.DB.Exec(`INSERT INTO future_table (data) VALUES ('future_data')`)
+	assert.NoError(t, err)
+
+	readOnlyDSN := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true",
+		username, password, container.Host, container.Port, container.Database)
+	readOnlyConn, err := sqlx.Connect("mysql", readOnlyDSN)
+	assert.NoError(t, err)
+	defer readOnlyConn.Close()
+
+	var data string
+	err = readOnlyConn.Get(&data, "SELECT data FROM future_table LIMIT 1")
+	assert.NoError(t, err)
+	assert.Equal(t, "future_data", data)
+
+	dropUserSafe(container.DB, username)
+}
+
+func Test_CreateReadOnlyUser_DatabaseNameWithDash_Success(t *testing.T) {
+	env := config.GetEnv()
+	container := connectToMariadbContainer(t, env.TestMariadb1011Port, tools.MariadbVersion1011)
+	defer container.DB.Close()
+
+	dashDbName := "test-db-with-dash"
+
+	_, err := container.DB.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS `%s`", dashDbName))
+	assert.NoError(t, err)
+
+	_, err = container.DB.Exec(fmt.Sprintf("CREATE DATABASE `%s`", dashDbName))
+	assert.NoError(t, err)
+
+	defer func() {
+		_, _ = container.DB.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS `%s`", dashDbName))
+	}()
+
+	dashDSN := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true",
+		container.Username, container.Password, container.Host, container.Port, dashDbName)
+	dashDB, err := sqlx.Connect("mysql", dashDSN)
+	assert.NoError(t, err)
+	defer dashDB.Close()
+
+	_, err = dashDB.Exec(`
+		CREATE TABLE dash_test (
+			id INT AUTO_INCREMENT PRIMARY KEY,
+			data VARCHAR(255) NOT NULL
+		)
+	`)
+	assert.NoError(t, err)
+
+	_, err = dashDB.Exec(`INSERT INTO dash_test (data) VALUES ('test1'), ('test2')`)
+	assert.NoError(t, err)
+
+	mariadbModel := &MariadbDatabase{
+		Version:  tools.MariadbVersion1011,
+		Host:     container.Host,
+		Port:     container.Port,
+		Username: container.Username,
+		Password: container.Password,
+		Database: &dashDbName,
+		IsHttps:  false,
+	}
+
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+	ctx := context.Background()
+
+	username, password, err := mariadbModel.CreateReadOnlyUser(ctx, logger, nil, uuid.New())
+	assert.NoError(t, err)
+	assert.NotEmpty(t, username)
+	assert.NotEmpty(t, password)
+	assert.True(t, strings.HasPrefix(username, "pgs-"))
+
+	readOnlyDSN := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true",
+		username, password, container.Host, container.Port, dashDbName)
+	readOnlyConn, err := sqlx.Connect("mysql", readOnlyDSN)
+	assert.NoError(t, err)
+	defer readOnlyConn.Close()
+
+	var count int
+	err = readOnlyConn.Get(&count, "SELECT COUNT(*) FROM dash_test")
+	assert.NoError(t, err)
+	assert.Equal(t, 2, count)
+
+	_, err = readOnlyConn.Exec("INSERT INTO dash_test (data) VALUES ('should-fail')")
+	assert.Error(t, err)
+	assert.Contains(t, strings.ToLower(err.Error()), "denied")
+
+	dropUserSafe(dashDB, username)
+}
+
+func Test_ReadOnlyUser_CannotDropOrAlterTables(t *testing.T) {
+	env := config.GetEnv()
+	container := connectToMariadbContainer(t, env.TestMariadb1011Port, tools.MariadbVersion1011)
+	defer container.DB.Close()
+
+	_, err := container.DB.Exec(`DROP TABLE IF EXISTS drop_test`)
+	assert.NoError(t, err)
+	_, err = container.DB.Exec(`
+		CREATE TABLE drop_test (
+			id INT AUTO_INCREMENT PRIMARY KEY,
+			data VARCHAR(255) NOT NULL
+		)
+	`)
+	assert.NoError(t, err)
+	_, err = container.DB.Exec(`INSERT INTO drop_test (data) VALUES ('test1')`)
+	assert.NoError(t, err)
+
+	mariadbModel := createMariadbModel(container)
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+	ctx := context.Background()
+
+	username, password, err := mariadbModel.CreateReadOnlyUser(ctx, logger, nil, uuid.New())
+	assert.NoError(t, err)
+
+	readOnlyDSN := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true",
+		username, password, container.Host, container.Port, container.Database)
+	readOnlyConn, err := sqlx.Connect("mysql", readOnlyDSN)
+	assert.NoError(t, err)
+	defer readOnlyConn.Close()
+
+	_, err = readOnlyConn.Exec("DROP TABLE drop_test")
+	assert.Error(t, err)
+	assert.Contains(t, strings.ToLower(err.Error()), "denied")
+
+	_, err = readOnlyConn.Exec("ALTER TABLE drop_test ADD COLUMN new_col VARCHAR(100)")
+	assert.Error(t, err)
+	assert.Contains(t, strings.ToLower(err.Error()), "denied")
+
+	_, err = readOnlyConn.Exec("TRUNCATE TABLE drop_test")
+	assert.Error(t, err)
+	assert.Contains(t, strings.ToLower(err.Error()), "denied")
+
+	dropUserSafe(container.DB, username)
+}
+
+func Test_TestConnection_DatabaseSpecificPrivilegesWithGlobalProcess_Success(t *testing.T) {
+	env := config.GetEnv()
+	cases := []struct {
+		name    string
+		version tools.MariadbVersion
+		port    string
+	}{
+		{"MariaDB 5.5", tools.MariadbVersion55, env.TestMariadb55Port},
+		{"MariaDB 10.1", tools.MariadbVersion101, env.TestMariadb101Port},
+		{"MariaDB 10.2", tools.MariadbVersion102, env.TestMariadb102Port},
+		{"MariaDB 10.3", tools.MariadbVersion103, env.TestMariadb103Port},
+		{"MariaDB 10.4", tools.MariadbVersion104, env.TestMariadb104Port},
+		{"MariaDB 10.5", tools.MariadbVersion105, env.TestMariadb105Port},
+		{"MariaDB 10.6", tools.MariadbVersion106, env.TestMariadb106Port},
+		{"MariaDB 10.11", tools.MariadbVersion1011, env.TestMariadb1011Port},
+		{"MariaDB 11.4", tools.MariadbVersion114, env.TestMariadb114Port},
+		{"MariaDB 11.8", tools.MariadbVersion118, env.TestMariadb118Port},
+		{"MariaDB 12.0", tools.MariadbVersion120, env.TestMariadb120Port},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			container := connectToMariadbContainer(t, tc.port, tc.version)
+			defer container.DB.Close()
+
+			_, err := container.DB.Exec(`DROP TABLE IF EXISTS privilege_test`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`CREATE TABLE privilege_test (
+				id INT AUTO_INCREMENT PRIMARY KEY,
+				data VARCHAR(255) NOT NULL
+			)`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`INSERT INTO privilege_test (data) VALUES ('test1')`)
+			assert.NoError(t, err)
+
+			specificUsername := fmt.Sprintf("spec_%s", uuid.New().String()[:8])
+			specificPassword := "specificpass123"
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"CREATE USER '%s'@'%%' IDENTIFIED BY '%s'",
+				specificUsername,
+				specificPassword,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"GRANT SELECT, SHOW VIEW ON %s.* TO '%s'@'%%'",
+				container.Database,
+				specificUsername,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"GRANT PROCESS ON *.* TO '%s'@'%%'",
+				specificUsername,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec("FLUSH PRIVILEGES")
+			assert.NoError(t, err)
+
+			defer dropUserSafe(container.DB, specificUsername)
+
+			mariadbModel := &MariadbDatabase{
+				Version:  tc.version,
+				Host:     container.Host,
+				Port:     container.Port,
+				Username: specificUsername,
+				Password: specificPassword,
+				Database: &container.Database,
+				IsHttps:  false,
+			}
+
+			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+			err = mariadbModel.TestConnection(logger, nil, uuid.New())
+			assert.NoError(t, err)
+		})
+	}
+}
+
+func Test_TestConnection_DatabaseWithUnderscores_Success(t *testing.T) {
+	env := config.GetEnv()
+	container := connectToMariadbContainer(t, env.TestMariadb1011Port, tools.MariadbVersion1011)
+	defer container.DB.Close()
+
+	underscoreDbName := "test_db_name"
+
+	_, err := container.DB.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS `%s`", underscoreDbName))
+	assert.NoError(t, err)
+
+	_, err = container.DB.Exec(fmt.Sprintf("CREATE DATABASE `%s`", underscoreDbName))
+	assert.NoError(t, err)
+
+	defer func() {
+		_, _ = container.DB.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS `%s`", underscoreDbName))
+	}()
+
+	underscoreDSN := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true",
+		container.Username, container.Password, container.Host, container.Port, underscoreDbName)
+	underscoreDB, err := sqlx.Connect("mysql", underscoreDSN)
+	assert.NoError(t, err)
+	defer underscoreDB.Close()
+
+	_, err = underscoreDB.Exec(`
+		CREATE TABLE underscore_test (
+			id INT AUTO_INCREMENT PRIMARY KEY,
+			data VARCHAR(255) NOT NULL
+		)
+	`)
+	assert.NoError(t, err)
+
+	_, err = underscoreDB.Exec(`INSERT INTO underscore_test (data) VALUES ('test1')`)
+	assert.NoError(t, err)
+
+	underscoreUsername := fmt.Sprintf("under%s", uuid.New().String()[:8])
+	underscorePassword := "underscorepass123"
+
+	_, err = underscoreDB.Exec(fmt.Sprintf(
+		"CREATE USER '%s'@'%%' IDENTIFIED BY '%s'",
+		underscoreUsername,
+		underscorePassword,
+	))
+	assert.NoError(t, err)
+
+	_, err = underscoreDB.Exec(fmt.Sprintf(
+		"GRANT SELECT, SHOW VIEW ON `%s`.* TO '%s'@'%%'",
+		underscoreDbName,
+		underscoreUsername,
+	))
+	assert.NoError(t, err)
+
+	_, err = underscoreDB.Exec("FLUSH PRIVILEGES")
+	assert.NoError(t, err)
+
+	defer dropUserSafe(underscoreDB, underscoreUsername)
+
+	mariadbModel := &MariadbDatabase{
+		Version:  tools.MariadbVersion1011,
+		Host:     container.Host,
+		Port:     container.Port,
+		Username: underscoreUsername,
+		Password: underscorePassword,
+		Database: &underscoreDbName,
+		IsHttps:  false,
+	}
+
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+	err = mariadbModel.TestConnection(logger, nil, uuid.New())
+	assert.NoError(t, err)
+}
+
+type MariadbContainer struct {
+	Host     string
+	Port     int
+	Username string
+	Password string
+	Database string
+	Version  tools.MariadbVersion
+	DB       *sqlx.DB
+}
+
+func connectToMariadbContainer(
+	t *testing.T,
+	port string,
+	version tools.MariadbVersion,
+) *MariadbContainer {
+	if port == "" {
+		t.Skipf("MariaDB port not configured for version %s", version)
+	}
+
+	dbName := "testdb"
+	host := "127.0.0.1"
+	username := "root"
+	password := "rootpassword"
+
+	portInt, err := strconv.Atoi(port)
+	assert.NoError(t, err)
+
+	dsn := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true",
+		username, password, host, portInt, dbName)
+
+	db, err := sqlx.Connect("mysql", dsn)
+	if err != nil {
+		t.Skipf("Failed to connect to MariaDB %s: %v", version, err)
+	}
+
+	return &MariadbContainer{
+		Host:     host,
+		Port:     portInt,
+		Username: username,
+		Password: password,
+		Database: dbName,
+		Version:  version,
+		DB:       db,
+	}
+}
+
+func createMariadbModel(container *MariadbContainer) *MariadbDatabase {
+	return &MariadbDatabase{
+		Version:  container.Version,
+		Host:     container.Host,
+		Port:     container.Port,
+		Username: container.Username,
+		Password: container.Password,
+		Database: &container.Database,
+		IsHttps:  false,
+	}
+}
+
+func dropUserSafe(db *sqlx.DB, username string) {
+	_, _ = db.Exec(fmt.Sprintf("DROP USER '%s'@'%%'", username))
+}

backend/internal/features/databases/databases/mariadb/readonly_user_test.go

@@ -1,387 +0,0 @@
-package mariadb
-
-import (
-	"context"
-	"fmt"
-	"log/slog"
-	"os"
-	"strconv"
-	"strings"
-	"testing"
-
-	_ "github.com/go-sql-driver/mysql"
-	"github.com/google/uuid"
-	"github.com/jmoiron/sqlx"
-	"github.com/stretchr/testify/assert"
-
-	"databasus-backend/internal/config"
-	"databasus-backend/internal/util/tools"
-)
-
-func Test_IsUserReadOnly_AdminUser_ReturnsFalse(t *testing.T) {
-	env := config.GetEnv()
-	cases := []struct {
-		name    string
-		version tools.MariadbVersion
-		port    string
-	}{
-		{"MariaDB 5.5", tools.MariadbVersion55, env.TestMariadb55Port},
-		{"MariaDB 10.1", tools.MariadbVersion101, env.TestMariadb101Port},
-		{"MariaDB 10.2", tools.MariadbVersion102, env.TestMariadb102Port},
-		{"MariaDB 10.3", tools.MariadbVersion103, env.TestMariadb103Port},
-		{"MariaDB 10.4", tools.MariadbVersion104, env.TestMariadb104Port},
-		{"MariaDB 10.5", tools.MariadbVersion105, env.TestMariadb105Port},
-		{"MariaDB 10.6", tools.MariadbVersion106, env.TestMariadb106Port},
-		{"MariaDB 10.11", tools.MariadbVersion1011, env.TestMariadb1011Port},
-		{"MariaDB 11.4", tools.MariadbVersion114, env.TestMariadb114Port},
-		{"MariaDB 11.8", tools.MariadbVersion118, env.TestMariadb118Port},
-		{"MariaDB 12.0", tools.MariadbVersion120, env.TestMariadb120Port},
-	}
-
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			t.Parallel()
-
-			container := connectToMariadbContainer(t, tc.port, tc.version)
-			defer container.DB.Close()
-
-			mariadbModel := createMariadbModel(container)
-			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
-			ctx := context.Background()
-
-			isReadOnly, err := mariadbModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
-			assert.NoError(t, err)
-			assert.False(t, isReadOnly, "Root user should not be read-only")
-		})
-	}
-}
-
-func Test_CreateReadOnlyUser_UserCanReadButNotWrite(t *testing.T) {
-	env := config.GetEnv()
-	cases := []struct {
-		name    string
-		version tools.MariadbVersion
-		port    string
-	}{
-		{"MariaDB 5.5", tools.MariadbVersion55, env.TestMariadb55Port},
-		{"MariaDB 10.1", tools.MariadbVersion101, env.TestMariadb101Port},
-		{"MariaDB 10.2", tools.MariadbVersion102, env.TestMariadb102Port},
-		{"MariaDB 10.3", tools.MariadbVersion103, env.TestMariadb103Port},
-		{"MariaDB 10.4", tools.MariadbVersion104, env.TestMariadb104Port},
-		{"MariaDB 10.5", tools.MariadbVersion105, env.TestMariadb105Port},
-		{"MariaDB 10.6", tools.MariadbVersion106, env.TestMariadb106Port},
-		{"MariaDB 10.11", tools.MariadbVersion1011, env.TestMariadb1011Port},
-		{"MariaDB 11.4", tools.MariadbVersion114, env.TestMariadb114Port},
-		{"MariaDB 11.8", tools.MariadbVersion118, env.TestMariadb118Port},
-		{"MariaDB 12.0", tools.MariadbVersion120, env.TestMariadb120Port},
-	}
-
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			t.Parallel()
-
-			container := connectToMariadbContainer(t, tc.port, tc.version)
-			defer container.DB.Close()
-
-			_, err := container.DB.Exec(`DROP TABLE IF EXISTS readonly_test`)
-			assert.NoError(t, err)
-			_, err = container.DB.Exec(`DROP TABLE IF EXISTS hack_table`)
-			assert.NoError(t, err)
-			_, err = container.DB.Exec(`DROP TABLE IF EXISTS future_table`)
-			assert.NoError(t, err)
-
-			_, err = container.DB.Exec(`
-				CREATE TABLE readonly_test (
-					id INT AUTO_INCREMENT PRIMARY KEY,
-					data VARCHAR(255) NOT NULL
-				)
-			`)
-			assert.NoError(t, err)
-
-			_, err = container.DB.Exec(
-				`INSERT INTO readonly_test (data) VALUES ('test1'), ('test2')`,
-			)
-			assert.NoError(t, err)
-
-			mariadbModel := createMariadbModel(container)
-			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
-			ctx := context.Background()
-
-			username, password, err := mariadbModel.CreateReadOnlyUser(ctx, logger, nil, uuid.New())
-			assert.NoError(t, err)
-			assert.NotEmpty(t, username)
-			assert.NotEmpty(t, password)
-			assert.True(t, strings.HasPrefix(username, "pgs-"))
-
-			if err != nil {
-				return
-			}
-
-			readOnlyModel := &MariadbDatabase{
-				Version:  mariadbModel.Version,
-				Host:     mariadbModel.Host,
-				Port:     mariadbModel.Port,
-				Username: username,
-				Password: password,
-				Database: mariadbModel.Database,
-				IsHttps:  false,
-			}
-
-			isReadOnly, err := readOnlyModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
-			assert.NoError(t, err)
-			assert.True(t, isReadOnly, "Created user should be read-only")
-
-			readOnlyDSN := fmt.Sprintf(
-				"%s:%s@tcp(%s:%d)/%s?parseTime=true",
-				username,
-				password,
-				container.Host,
-				container.Port,
-				container.Database,
-			)
-			readOnlyConn, err := sqlx.Connect("mysql", readOnlyDSN)
-			assert.NoError(t, err)
-			defer readOnlyConn.Close()
-
-			var count int
-			err = readOnlyConn.Get(&count, "SELECT COUNT(*) FROM readonly_test")
-			assert.NoError(t, err)
-			assert.Equal(t, 2, count)
-
-			_, err = readOnlyConn.Exec("INSERT INTO readonly_test (data) VALUES ('should-fail')")
-			assert.Error(t, err)
-			assert.Contains(t, strings.ToLower(err.Error()), "denied")
-
-			_, err = readOnlyConn.Exec("UPDATE readonly_test SET data = 'hacked' WHERE id = 1")
-			assert.Error(t, err)
-			assert.Contains(t, strings.ToLower(err.Error()), "denied")
-
-			_, err = readOnlyConn.Exec("DELETE FROM readonly_test WHERE id = 1")
-			assert.Error(t, err)
-			assert.Contains(t, strings.ToLower(err.Error()), "denied")
-
-			_, err = readOnlyConn.Exec("CREATE TABLE hack_table (id INT)")
-			assert.Error(t, err)
-			assert.Contains(t, strings.ToLower(err.Error()), "denied")
-
-			dropUserSafe(container.DB, username)
-		})
-	}
-}
-
-func Test_ReadOnlyUser_FutureTables_NoSelectPermission(t *testing.T) {
-	env := config.GetEnv()
-	container := connectToMariadbContainer(t, env.TestMariadb1011Port, tools.MariadbVersion1011)
-	defer container.DB.Close()
-
-	mariadbModel := createMariadbModel(container)
-	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
-	ctx := context.Background()
-
-	username, password, err := mariadbModel.CreateReadOnlyUser(ctx, logger, nil, uuid.New())
-	assert.NoError(t, err)
-
-	_, err = container.DB.Exec(`DROP TABLE IF EXISTS future_table`)
-	assert.NoError(t, err)
-	_, err = container.DB.Exec(`
-		CREATE TABLE future_table (
-			id INT AUTO_INCREMENT PRIMARY KEY,
-			data VARCHAR(255) NOT NULL
-		)
-	`)
-	assert.NoError(t, err)
-	_, err = container.DB.Exec(`INSERT INTO future_table (data) VALUES ('future_data')`)
-	assert.NoError(t, err)
-
-	readOnlyDSN := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true",
-		username, password, container.Host, container.Port, container.Database)
-	readOnlyConn, err := sqlx.Connect("mysql", readOnlyDSN)
-	assert.NoError(t, err)
-	defer readOnlyConn.Close()
-
-	var data string
-	err = readOnlyConn.Get(&data, "SELECT data FROM future_table LIMIT 1")
-	assert.NoError(t, err)
-	assert.Equal(t, "future_data", data)
-
-	dropUserSafe(container.DB, username)
-}
-
-func Test_CreateReadOnlyUser_DatabaseNameWithDash_Success(t *testing.T) {
-	env := config.GetEnv()
-	container := connectToMariadbContainer(t, env.TestMariadb1011Port, tools.MariadbVersion1011)
-	defer container.DB.Close()
-
-	dashDbName := "test-db-with-dash"
-
-	_, err := container.DB.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS `%s`", dashDbName))
-	assert.NoError(t, err)
-
-	_, err = container.DB.Exec(fmt.Sprintf("CREATE DATABASE `%s`", dashDbName))
-	assert.NoError(t, err)
-
-	defer func() {
-		_, _ = container.DB.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS `%s`", dashDbName))
-	}()
-
-	dashDSN := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true",
-		container.Username, container.Password, container.Host, container.Port, dashDbName)
-	dashDB, err := sqlx.Connect("mysql", dashDSN)
-	assert.NoError(t, err)
-	defer dashDB.Close()
-
-	_, err = dashDB.Exec(`
-		CREATE TABLE dash_test (
-			id INT AUTO_INCREMENT PRIMARY KEY,
-			data VARCHAR(255) NOT NULL
-		)
-	`)
-	assert.NoError(t, err)
-
-	_, err = dashDB.Exec(`INSERT INTO dash_test (data) VALUES ('test1'), ('test2')`)
-	assert.NoError(t, err)
-
-	mariadbModel := &MariadbDatabase{
-		Version:  tools.MariadbVersion1011,
-		Host:     container.Host,
-		Port:     container.Port,
-		Username: container.Username,
-		Password: container.Password,
-		Database: &dashDbName,
-		IsHttps:  false,
-	}
-
-	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
-	ctx := context.Background()
-
-	username, password, err := mariadbModel.CreateReadOnlyUser(ctx, logger, nil, uuid.New())
-	assert.NoError(t, err)
-	assert.NotEmpty(t, username)
-	assert.NotEmpty(t, password)
-	assert.True(t, strings.HasPrefix(username, "pgs-"))
-
-	readOnlyDSN := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true",
-		username, password, container.Host, container.Port, dashDbName)
-	readOnlyConn, err := sqlx.Connect("mysql", readOnlyDSN)
-	assert.NoError(t, err)
-	defer readOnlyConn.Close()
-
-	var count int
-	err = readOnlyConn.Get(&count, "SELECT COUNT(*) FROM dash_test")
-	assert.NoError(t, err)
-	assert.Equal(t, 2, count)
-
-	_, err = readOnlyConn.Exec("INSERT INTO dash_test (data) VALUES ('should-fail')")
-	assert.Error(t, err)
-	assert.Contains(t, strings.ToLower(err.Error()), "denied")
-
-	dropUserSafe(dashDB, username)
-}
-
-func Test_ReadOnlyUser_CannotDropOrAlterTables(t *testing.T) {
-	env := config.GetEnv()
-	container := connectToMariadbContainer(t, env.TestMariadb1011Port, tools.MariadbVersion1011)
-	defer container.DB.Close()
-
-	_, err := container.DB.Exec(`DROP TABLE IF EXISTS drop_test`)
-	assert.NoError(t, err)
-	_, err = container.DB.Exec(`
-		CREATE TABLE drop_test (
-			id INT AUTO_INCREMENT PRIMARY KEY,
-			data VARCHAR(255) NOT NULL
-		)
-	`)
-	assert.NoError(t, err)
-	_, err = container.DB.Exec(`INSERT INTO drop_test (data) VALUES ('test1')`)
-	assert.NoError(t, err)
-
-	mariadbModel := createMariadbModel(container)
-	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
-	ctx := context.Background()
-
-	username, password, err := mariadbModel.CreateReadOnlyUser(ctx, logger, nil, uuid.New())
-	assert.NoError(t, err)
-
-	readOnlyDSN := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true",
-		username, password, container.Host, container.Port, container.Database)
-	readOnlyConn, err := sqlx.Connect("mysql", readOnlyDSN)
-	assert.NoError(t, err)
-	defer readOnlyConn.Close()
-
-	_, err = readOnlyConn.Exec("DROP TABLE drop_test")
-	assert.Error(t, err)
-	assert.Contains(t, strings.ToLower(err.Error()), "denied")
-
-	_, err = readOnlyConn.Exec("ALTER TABLE drop_test ADD COLUMN new_col VARCHAR(100)")
-	assert.Error(t, err)
-	assert.Contains(t, strings.ToLower(err.Error()), "denied")
-
-	_, err = readOnlyConn.Exec("TRUNCATE TABLE drop_test")
-	assert.Error(t, err)
-	assert.Contains(t, strings.ToLower(err.Error()), "denied")
-
-	dropUserSafe(container.DB, username)
-}
-
-type MariadbContainer struct {
-	Host     string
-	Port     int
-	Username string
-	Password string
-	Database string
-	Version  tools.MariadbVersion
-	DB       *sqlx.DB
-}
-
-func connectToMariadbContainer(
-	t *testing.T,
-	port string,
-	version tools.MariadbVersion,
-) *MariadbContainer {
-	if port == "" {
-		t.Skipf("MariaDB port not configured for version %s", version)
-	}
-
-	dbName := "testdb"
-	host := "127.0.0.1"
-	username := "root"
-	password := "rootpassword"
-
-	portInt, err := strconv.Atoi(port)
-	assert.NoError(t, err)
-
-	dsn := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true",
-		username, password, host, portInt, dbName)
-
-	db, err := sqlx.Connect("mysql", dsn)
-	if err != nil {
-		t.Skipf("Failed to connect to MariaDB %s: %v", version, err)
-	}
-
-	return &MariadbContainer{
-		Host:     host,
-		Port:     portInt,
-		Username: username,
-		Password: password,
-		Database: dbName,
-		Version:  version,
-		DB:       db,
-	}
-}
-
-func createMariadbModel(container *MariadbContainer) *MariadbDatabase {
-	return &MariadbDatabase{
-		Version:  container.Version,
-		Host:     container.Host,
-		Port:     container.Port,
-		Username: container.Username,
-		Password: container.Password,
-		Database: &container.Database,
-		IsHttps:  false,
-	}
-}
-
-func dropUserSafe(db *sqlx.DB, username string) {
-	// MariaDB 5.5 doesn't support DROP USER IF EXISTS, so we ignore errors
-	_, _ = db.Exec(fmt.Sprintf("DROP USER '%s'@'%%'", username))
-}

backend/internal/features/databases/databases/mongodb/model.go

@@ -5,7 +5,9 @@ import (
 	"errors"
 	"fmt"
 	"log/slog"
+	"net/url"
 	"regexp"
+	"strings"
 	"time"
 
 	"databasus-backend/internal/util/encryption"
@@ -30,6 +32,7 @@ type MongodbDatabase struct {
 	Database     string `json:"database"     gorm:"type:text;not null"`
 	AuthDatabase string `json:"authDatabase" gorm:"type:text;not null;default:'admin'"`
 	IsHttps      bool   `json:"isHttps"      gorm:"type:boolean;default:false"`
+	CpuCount     int    `json:"cpuCount"     gorm:"column:cpu_count;type:int;not null;default:1"`
 }
 
 func (m *MongodbDatabase) TableName() string {
@@ -52,6 +55,9 @@ func (m *MongodbDatabase) Validate() error {
 	if m.Database == "" {
 		return errors.New("database is required")
 	}
+	if m.CpuCount <= 0 {
+		return errors.New("cpu count must be greater than 0")
+	}
 	return nil
 }
 
@@ -91,6 +97,16 @@ func (m *MongodbDatabase) TestConnection(
 	}
 	m.Version = detectedVersion
 
+	if err := checkBackupPermissions(
+		ctx,
+		client,
+		m.Username,
+		m.Database,
+		m.AuthDatabase,
+	); err != nil {
+		return err
+	}
+
 	return nil
 }
 
@@ -109,6 +125,7 @@ func (m *MongodbDatabase) Update(incoming *MongodbDatabase) {
 	m.Database = incoming.Database
 	m.AuthDatabase = incoming.AuthDatabase
 	m.IsHttps = incoming.IsHttps
+	m.CpuCount = incoming.CpuCount
 
 	if incoming.Password != "" {
 		m.Password = incoming.Password
@@ -129,14 +146,11 @@ func (m *MongodbDatabase) EncryptSensitiveFields(
 	return nil
 }
 
-func (m *MongodbDatabase) PopulateVersionIfEmpty(
+func (m *MongodbDatabase) PopulateDbData(
 	logger *slog.Logger,
 	encryptor encryption.FieldEncryptor,
 	databaseID uuid.UUID,
 ) error {
-	if m.Version != "" {
-		return nil
-	}
 	return m.PopulateVersion(logger, encryptor, databaseID)
 }
 
@@ -180,10 +194,10 @@ func (m *MongodbDatabase) IsUserReadOnly(
 	logger *slog.Logger,
 	encryptor encryption.FieldEncryptor,
 	databaseID uuid.UUID,
-) (bool, error) {
+) (bool, []string, error) {
 	password, err := decryptPasswordIfNeeded(m.Password, encryptor, databaseID)
 	if err != nil {
-		return false, fmt.Errorf("failed to decrypt password: %w", err)
+		return false, nil, fmt.Errorf("failed to decrypt password: %w", err)
 	}
 
 	uri := m.buildConnectionURI(password)
@@ -191,7 +205,7 @@ func (m *MongodbDatabase) IsUserReadOnly(
 	clientOptions := options.Client().ApplyURI(uri)
 	client, err := mongo.Connect(ctx, clientOptions)
 	if err != nil {
-		return false, fmt.Errorf("failed to connect to database: %w", err)
+		return false, nil, fmt.Errorf("failed to connect to database: %w", err)
 	}
 	defer func() {
 		if disconnectErr := client.Disconnect(ctx); disconnectErr != nil {
@@ -213,44 +227,153 @@ func (m *MongodbDatabase) IsUserReadOnly(
 		}},
 	}).Decode(&result)
 	if err != nil {
-		return false, fmt.Errorf("failed to get user info: %w", err)
+		return false, nil, fmt.Errorf("failed to get user info: %w", err)
 	}
 
-	writeRoles := []string{
-		"readWrite", "readWriteAnyDatabase", "dbAdmin", "dbAdminAnyDatabase",
-		"userAdmin", "userAdminAnyDatabase", "clusterAdmin", "root",
-		"dbOwner", "backup", "restore",
+	writeRoles := map[string]bool{
+		"readWrite":            true,
+		"readWriteAnyDatabase": true,
+		"dbAdmin":              true,
+		"dbAdminAnyDatabase":   true,
+		"userAdmin":            true,
+		"userAdminAnyDatabase": true,
+		"clusterAdmin":         true,
+		"clusterManager":       true,
+		"hostManager":          true,
+		"root":                 true,
+		"dbOwner":              true,
+		"restore":              true,
+		"__system":             true,
 	}
 
+	// Roles that are read-only for our backup purposes
+	// The "backup" role has insert/update on mms.backup collection but is needed for mongodump
+	readOnlyRoles := map[string]bool{
+		"read":   true,
+		"backup": true,
+	}
+
+	writeActions := map[string]bool{
+		"insert":             true,
+		"update":             true,
+		"remove":             true,
+		"createCollection":   true,
+		"dropCollection":     true,
+		"createIndex":        true,
+		"dropIndex":          true,
+		"convertToCapped":    true,
+		"dropDatabase":       true,
+		"renameCollection":   true,
+		"createUser":         true,
+		"dropUser":           true,
+		"updateUser":         true,
+		"grantRole":          true,
+		"revokeRole":         true,
+		"dropRole":           true,
+		"createRole":         true,
+		"updateRole":         true,
+		"enableSharding":     true,
+		"shardCollection":    true,
+		"addShard":           true,
+		"removeShard":        true,
+		"shutdown":           true,
+		"replSetReconfig":    true,
+		"replSetStateChange": true,
+	}
+
+	var detectedRoles []string
+
 	users, ok := result["users"].(bson.A)
 	if !ok || len(users) == 0 {
-		return true, nil
+		return true, detectedRoles, nil
 	}
 
 	user, ok := users[0].(bson.M)
 	if !ok {
-		return true, nil
+		return true, detectedRoles, nil
 	}
 
 	roles, ok := user["roles"].(bson.A)
 	if !ok {
-		return true, nil
+		return true, detectedRoles, nil
 	}
 
+	// Collect all role names and check for write roles
 	for _, roleDoc := range roles {
 		role, ok := roleDoc.(bson.M)
 		if !ok {
 			continue
 		}
 		roleName, _ := role["role"].(string)
-		for _, writeRole := range writeRoles {
-			if roleName == writeRole {
-				return false, nil
+		if roleName != "" {
+			detectedRoles = append(detectedRoles, roleName)
+		}
+	}
+
+	// Check if any detected role is a write role
+	for _, roleName := range detectedRoles {
+		if writeRoles[roleName] {
+			return false, detectedRoles, nil
+		}
+	}
+
+	// If all roles are known read-only roles (read, backup), skip inherited privilege check
+	allRolesReadOnly := true
+	for _, roleName := range detectedRoles {
+		if !readOnlyRoles[roleName] {
+			allRolesReadOnly = false
+			break
+		}
+	}
+	if allRolesReadOnly && len(detectedRoles) > 0 {
+		return true, detectedRoles, nil
+	}
+
+	// Check inherited privileges for custom roles
+	var privResult bson.M
+	err = adminDB.RunCommand(ctx, bson.D{
+		{Key: "usersInfo", Value: bson.D{
+			{Key: "user", Value: m.Username},
+			{Key: "db", Value: authDB},
+		}},
+		{Key: "showPrivileges", Value: true},
+	}).Decode(&privResult)
+	if err != nil {
+		return false, nil, fmt.Errorf("failed to get user privileges: %w", err)
+	}
+
+	privUsers, ok := privResult["users"].(bson.A)
+	if !ok || len(privUsers) == 0 {
+		return true, detectedRoles, nil
+	}
+
+	privUser, ok := privUsers[0].(bson.M)
+	if !ok {
+		return true, detectedRoles, nil
+	}
+
+	// Check inheritedPrivileges for write actions
+	inheritedPrivileges, ok := privUser["inheritedPrivileges"].(bson.A)
+	if ok {
+		for _, privDoc := range inheritedPrivileges {
+			priv, ok := privDoc.(bson.M)
+			if !ok {
+				continue
+			}
+			actions, ok := priv["actions"].(bson.A)
+			if !ok {
+				continue
+			}
+			for _, action := range actions {
+				actionStr, ok := action.(string)
+				if ok && writeActions[actionStr] {
+					return false, detectedRoles, nil
+				}
 			}
 		}
 	}
 
-	return true, nil
+	return true, detectedRoles, nil
 }
 
 func (m *MongodbDatabase) CreateReadOnlyUser(
@@ -285,7 +408,7 @@ func (m *MongodbDatabase) CreateReadOnlyUser(
 	maxRetries := 3
 	for attempt := range maxRetries {
 		newUsername := fmt.Sprintf("databasus-%s", uuid.New().String()[:8])
-		newPassword := uuid.New().String()
+		newPassword := encryption.GenerateComplexPassword()
 
 		adminDB := client.Database(authDB)
 		err = adminDB.RunCommand(ctx, bson.D{
@@ -327,20 +450,20 @@ func (m *MongodbDatabase) buildConnectionURI(password string) string {
 		authDB = "admin"
 	}
 
-	tlsOption := "false"
+	tlsParams := ""
 	if m.IsHttps {
-		tlsOption = "true"
+		tlsParams = "&tls=true&tlsInsecure=true"
 	}
 
 	return fmt.Sprintf(
-		"mongodb://%s:%s@%s:%d/%s?authSource=%s&tls=%s&connectTimeoutMS=15000",
-		m.Username,
-		password,
+		"mongodb://%s:%s@%s:%d/%s?authSource=%s&connectTimeoutMS=15000%s",
+		url.QueryEscape(m.Username),
+		url.QueryEscape(password),
 		m.Host,
 		m.Port,
 		m.Database,
 		authDB,
-		tlsOption,
+		tlsParams,
 	)
 }
 
@@ -351,19 +474,19 @@ func (m *MongodbDatabase) BuildMongodumpURI(password string) string {
 		authDB = "admin"
 	}
 
-	tlsOption := "false"
+	tlsParams := ""
 	if m.IsHttps {
-		tlsOption = "true"
+		tlsParams = "&tls=true&tlsInsecure=true"
 	}
 
 	return fmt.Sprintf(
-		"mongodb://%s:%s@%s:%d/?authSource=%s&tls=%s&connectTimeoutMS=15000",
-		m.Username,
-		password,
+		"mongodb://%s:%s@%s:%d/?authSource=%s&connectTimeoutMS=15000%s",
+		url.QueryEscape(m.Username),
+		url.QueryEscape(password),
 		m.Host,
 		m.Port,
 		authDB,
-		tlsOption,
+		tlsParams,
 	)
 }
 
@@ -408,6 +531,128 @@ func detectMongodbVersion(ctx context.Context, client *mongo.Client) (tools.Mong
 	}
 }
 
+// checkBackupPermissions verifies the user has sufficient privileges for mongodump backup.
+// Required: 'read' role on target database OR 'backup' role on admin OR 'readAnyDatabase' role.
+func checkBackupPermissions(
+	ctx context.Context,
+	client *mongo.Client,
+	username, database, authDatabase string,
+) error {
+	authDB := authDatabase
+	if authDB == "" {
+		authDB = "admin"
+	}
+
+	adminDB := client.Database(authDB)
+	var result bson.M
+	err := adminDB.RunCommand(ctx, bson.D{
+		{Key: "usersInfo", Value: bson.D{
+			{Key: "user", Value: username},
+			{Key: "db", Value: authDB},
+		}},
+		{Key: "showPrivileges", Value: true},
+	}).Decode(&result)
+	if err != nil {
+		return fmt.Errorf("failed to get user info: %w", err)
+	}
+
+	users, ok := result["users"].(bson.A)
+	if !ok || len(users) == 0 {
+		return errors.New("insufficient permissions for backup. User not found")
+	}
+
+	user, ok := users[0].(bson.M)
+	if !ok {
+		return errors.New("insufficient permissions for backup. Could not parse user info")
+	}
+
+	// Check roles for backup permissions
+	roles, ok := user["roles"].(bson.A)
+	if !ok {
+		return errors.New("insufficient permissions for backup. No roles assigned")
+	}
+
+	backupRoles := map[string]bool{
+		"backup":               true,
+		"root":                 true,
+		"readAnyDatabase":      true,
+		"dbOwner":              true,
+		"__system":             true,
+		"clusterAdmin":         true,
+		"readWriteAnyDatabase": true,
+	}
+
+	var userRoles []string
+	hasBackupRole := false
+	hasReadOnTargetDB := false
+
+	for _, roleDoc := range roles {
+		role, ok := roleDoc.(bson.M)
+		if !ok {
+			continue
+		}
+		roleName, _ := role["role"].(string)
+		roleDB, _ := role["db"].(string)
+
+		if roleName != "" {
+			userRoles = append(userRoles, roleName)
+		}
+
+		if backupRoles[roleName] {
+			hasBackupRole = true
+		}
+
+		if roleName == "read" && (roleDB == database || roleDB == "") {
+			hasReadOnTargetDB = true
+		}
+		if roleName == "readWrite" && (roleDB == database || roleDB == "") {
+			hasReadOnTargetDB = true
+		}
+	}
+
+	if hasBackupRole || hasReadOnTargetDB {
+		return nil
+	}
+
+	// Check inherited privileges for 'find' action on target database
+	inheritedPrivileges, ok := user["inheritedPrivileges"].(bson.A)
+	if ok {
+		for _, privDoc := range inheritedPrivileges {
+			priv, ok := privDoc.(bson.M)
+			if !ok {
+				continue
+			}
+			resource, ok := priv["resource"].(bson.M)
+			if !ok {
+				continue
+			}
+
+			resourceDB, _ := resource["db"].(string)
+			resourceCluster, _ := resource["cluster"].(bool)
+
+			isTargetDB := resourceDB == database || resourceDB == "" || resourceCluster
+
+			actions, ok := priv["actions"].(bson.A)
+			if !ok {
+				continue
+			}
+
+			for _, action := range actions {
+				actionStr, ok := action.(string)
+				if ok && actionStr == "find" && isTargetDB {
+					return nil
+				}
+			}
+		}
+	}
+
+	return fmt.Errorf(
+		"insufficient permissions for backup. Current roles: %s. Required: 'read' role on database '%s' OR 'backup' role on admin OR 'readAnyDatabase' role",
+		strings.Join(userRoles, ", "),
+		database,
+	)
+}
+
 func decryptPasswordIfNeeded(
 	password string,
 	encryptor encryption.FieldEncryptor,

backend/internal/features/databases/databases/mongodb/model_test.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"log/slog"
+	"net/url"
 	"os"
 	"strconv"
 	"strings"
@@ -19,6 +20,138 @@ import (
 	"databasus-backend/internal/util/tools"
 )
 
+func Test_TestConnection_InsufficientPermissions_ReturnsError(t *testing.T) {
+	env := config.GetEnv()
+	cases := []struct {
+		name    string
+		version tools.MongodbVersion
+		port    string
+	}{
+		{"MongoDB 4.0", tools.MongodbVersion4, env.TestMongodb40Port},
+		{"MongoDB 4.2", tools.MongodbVersion4, env.TestMongodb42Port},
+		{"MongoDB 4.4", tools.MongodbVersion4, env.TestMongodb44Port},
+		{"MongoDB 5.0", tools.MongodbVersion5, env.TestMongodb50Port},
+		{"MongoDB 6.0", tools.MongodbVersion6, env.TestMongodb60Port},
+		{"MongoDB 7.0", tools.MongodbVersion7, env.TestMongodb70Port},
+		{"MongoDB 8.2", tools.MongodbVersion8, env.TestMongodb82Port},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			container := connectToMongodbContainer(t, tc.port, tc.version)
+			defer container.Client.Disconnect(context.Background())
+
+			ctx := context.Background()
+			db := container.Client.Database(container.Database)
+
+			_ = db.Collection("permission_test").Drop(ctx)
+			_, err := db.Collection("permission_test").InsertOne(ctx, bson.M{"data": "test1"})
+			assert.NoError(t, err)
+
+			limitedUsername := fmt.Sprintf("limited_%s", uuid.New().String()[:8])
+			limitedPassword := "limitedpassword123"
+
+			adminDB := container.Client.Database(container.AuthDatabase)
+			err = adminDB.RunCommand(ctx, bson.D{
+				{Key: "createUser", Value: limitedUsername},
+				{Key: "pwd", Value: limitedPassword},
+				{Key: "roles", Value: bson.A{}},
+			}).Err()
+			assert.NoError(t, err)
+
+			defer dropUserSafe(container.Client, limitedUsername, container.AuthDatabase)
+
+			mongodbModel := &MongodbDatabase{
+				Version:      tc.version,
+				Host:         container.Host,
+				Port:         container.Port,
+				Username:     limitedUsername,
+				Password:     limitedPassword,
+				Database:     container.Database,
+				AuthDatabase: container.AuthDatabase,
+				IsHttps:      false,
+				CpuCount:     1,
+			}
+
+			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+			err = mongodbModel.TestConnection(logger, nil, uuid.New())
+			assert.Error(t, err)
+			assert.Contains(t, err.Error(), "insufficient permissions")
+		})
+	}
+}
+
+func Test_TestConnection_SufficientPermissions_Success(t *testing.T) {
+	env := config.GetEnv()
+	cases := []struct {
+		name    string
+		version tools.MongodbVersion
+		port    string
+	}{
+		{"MongoDB 4.0", tools.MongodbVersion4, env.TestMongodb40Port},
+		{"MongoDB 4.2", tools.MongodbVersion4, env.TestMongodb42Port},
+		{"MongoDB 4.4", tools.MongodbVersion4, env.TestMongodb44Port},
+		{"MongoDB 5.0", tools.MongodbVersion5, env.TestMongodb50Port},
+		{"MongoDB 6.0", tools.MongodbVersion6, env.TestMongodb60Port},
+		{"MongoDB 7.0", tools.MongodbVersion7, env.TestMongodb70Port},
+		{"MongoDB 8.2", tools.MongodbVersion8, env.TestMongodb82Port},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			container := connectToMongodbContainer(t, tc.port, tc.version)
+			defer container.Client.Disconnect(context.Background())
+
+			ctx := context.Background()
+			db := container.Client.Database(container.Database)
+
+			_ = db.Collection("backup_test").Drop(ctx)
+			_, err := db.Collection("backup_test").InsertOne(ctx, bson.M{"data": "test1"})
+			assert.NoError(t, err)
+
+			backupUsername := fmt.Sprintf("backup_%s", uuid.New().String()[:8])
+			backupPassword := "backuppassword123"
+
+			adminDB := container.Client.Database(container.AuthDatabase)
+			err = adminDB.RunCommand(ctx, bson.D{
+				{Key: "createUser", Value: backupUsername},
+				{Key: "pwd", Value: backupPassword},
+				{Key: "roles", Value: bson.A{
+					bson.D{
+						{Key: "role", Value: "read"},
+						{Key: "db", Value: container.Database},
+					},
+				}},
+			}).Err()
+			assert.NoError(t, err)
+
+			defer dropUserSafe(container.Client, backupUsername, container.AuthDatabase)
+
+			mongodbModel := &MongodbDatabase{
+				Version:      tc.version,
+				Host:         container.Host,
+				Port:         container.Port,
+				Username:     backupUsername,
+				Password:     backupPassword,
+				Database:     container.Database,
+				AuthDatabase: container.AuthDatabase,
+				IsHttps:      false,
+				CpuCount:     1,
+			}
+
+			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+			err = mongodbModel.TestConnection(logger, nil, uuid.New())
+			assert.NoError(t, err)
+		})
+	}
+}
+
 func Test_IsUserReadOnly_AdminUser_ReturnsFalse(t *testing.T) {
 	env := config.GetEnv()
 	cases := []struct {
@@ -46,13 +179,52 @@ func Test_IsUserReadOnly_AdminUser_ReturnsFalse(t *testing.T) {
 			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
 			ctx := context.Background()
 
-			isReadOnly, err := mongodbModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
+			isReadOnly, roles, err := mongodbModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
 			assert.NoError(t, err)
 			assert.False(t, isReadOnly, "Root user should not be read-only")
+			assert.NotEmpty(t, roles, "Root user should have roles")
 		})
 	}
 }
 
+func Test_IsUserReadOnly_ReadOnlyUser_ReturnsTrue(t *testing.T) {
+	env := config.GetEnv()
+	container := connectToMongodbContainer(t, env.TestMongodb70Port, tools.MongodbVersion7)
+	defer container.Client.Disconnect(context.Background())
+
+	ctx := context.Background()
+	db := container.Client.Database(container.Database)
+
+	_ = db.Collection("readonly_check_test").Drop(ctx)
+	_, err := db.Collection("readonly_check_test").InsertOne(ctx, bson.M{"data": "test1"})
+	assert.NoError(t, err)
+
+	mongodbModel := createMongodbModel(container)
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+	username, password, err := mongodbModel.CreateReadOnlyUser(ctx, logger, nil, uuid.New())
+	assert.NoError(t, err)
+
+	readOnlyModel := &MongodbDatabase{
+		Version:      mongodbModel.Version,
+		Host:         mongodbModel.Host,
+		Port:         mongodbModel.Port,
+		Username:     username,
+		Password:     password,
+		Database:     mongodbModel.Database,
+		AuthDatabase: mongodbModel.AuthDatabase,
+		IsHttps:      false,
+		CpuCount:     1,
+	}
+
+	isReadOnly, roles, err := readOnlyModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
+	assert.NoError(t, err)
+	assert.True(t, isReadOnly, "Read-only user should be read-only")
+	assert.NotEmpty(t, roles, "Read-only user should have roles (read, backup)")
+
+	dropUserSafe(container.Client, username, container.AuthDatabase)
+}
+
 func Test_CreateReadOnlyUser_UserCanReadButNotWrite(t *testing.T) {
 	env := config.GetEnv()
 	cases := []struct {
@@ -271,6 +443,7 @@ func createMongodbModel(container *MongodbContainer) *MongodbDatabase {
 		Database:     container.Database,
 		AuthDatabase: container.AuthDatabase,
 		IsHttps:      false,
+		CpuCount:     1,
 	}
 }
 
@@ -281,7 +454,8 @@ func connectWithCredentials(
 ) *mongo.Client {
 	uri := fmt.Sprintf(
 		"mongodb://%s:%s@%s:%d/%s?authSource=%s",
-		username, password, container.Host, container.Port,
+		url.QueryEscape(username), url.QueryEscape(password),
+		container.Host, container.Port,
 		container.Database, container.AuthDatabase,
 	)
 

backend/internal/features/databases/databases/mysql/model.go

@@ -2,17 +2,20 @@ package mysql
 
 import (
 	"context"
+	"crypto/tls"
 	"database/sql"
 	"errors"
 	"fmt"
 	"log/slog"
 	"regexp"
+	"sort"
+	"strings"
 	"time"
 
 	"databasus-backend/internal/util/encryption"
 	"databasus-backend/internal/util/tools"
 
-	_ "github.com/go-sql-driver/mysql"
+	"github.com/go-sql-driver/mysql"
 	"github.com/google/uuid"
 )
 
@@ -22,12 +25,13 @@ type MysqlDatabase struct {
 
 	Version tools.MysqlVersion `json:"version" gorm:"type:text;not null"`
 
-	Host     string  `json:"host"     gorm:"type:text;not null"`
-	Port     int     `json:"port"     gorm:"type:int;not null"`
-	Username string  `json:"username" gorm:"type:text;not null"`
-	Password string  `json:"password" gorm:"type:text;not null"`
-	Database *string `json:"database" gorm:"type:text"`
-	IsHttps  bool    `json:"isHttps"  gorm:"type:boolean;default:false"`
+	Host       string  `json:"host"       gorm:"type:text;not null"`
+	Port       int     `json:"port"       gorm:"type:int;not null"`
+	Username   string  `json:"username"   gorm:"type:text;not null"`
+	Password   string  `json:"password"   gorm:"type:text;not null"`
+	Database   *string `json:"database"   gorm:"type:text"`
+	IsHttps    bool    `json:"isHttps"    gorm:"type:boolean;default:false"`
+	Privileges string  `json:"privileges" gorm:"column:privileges;type:text;not null;default:''"`
 }
 
 func (m *MysqlDatabase) TableName() string {
@@ -93,6 +97,16 @@ func (m *MysqlDatabase) TestConnection(
 	}
 	m.Version = detectedVersion
 
+	privileges, err := detectPrivileges(ctx, db, *m.Database)
+	if err != nil {
+		return err
+	}
+	m.Privileges = privileges
+
+	if err := checkBackupPermissions(m.Privileges); err != nil {
+		return err
+	}
+
 	return nil
 }
 
@@ -110,6 +124,7 @@ func (m *MysqlDatabase) Update(incoming *MysqlDatabase) {
 	m.Username = incoming.Username
 	m.Database = incoming.Database
 	m.IsHttps = incoming.IsHttps
+	m.Privileges = incoming.Privileges
 
 	if incoming.Password != "" {
 		m.Password = incoming.Password
@@ -130,15 +145,48 @@ func (m *MysqlDatabase) EncryptSensitiveFields(
 	return nil
 }
 
-func (m *MysqlDatabase) PopulateVersionIfEmpty(
+func (m *MysqlDatabase) PopulateDbData(
 	logger *slog.Logger,
 	encryptor encryption.FieldEncryptor,
 	databaseID uuid.UUID,
 ) error {
-	if m.Version != "" {
+	if m.Database == nil || *m.Database == "" {
 		return nil
 	}
-	return m.PopulateVersion(logger, encryptor, databaseID)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+
+	password, err := decryptPasswordIfNeeded(m.Password, encryptor, databaseID)
+	if err != nil {
+		return fmt.Errorf("failed to decrypt password: %w", err)
+	}
+
+	dsn := m.buildDSN(password, *m.Database)
+
+	db, err := sql.Open("mysql", dsn)
+	if err != nil {
+		return fmt.Errorf("failed to connect to database: %w", err)
+	}
+	defer func() {
+		if closeErr := db.Close(); closeErr != nil {
+			logger.Error("Failed to close connection", "error", closeErr)
+		}
+	}()
+
+	detectedVersion, err := detectMysqlVersion(ctx, db)
+	if err != nil {
+		return err
+	}
+	m.Version = detectedVersion
+
+	privileges, err := detectPrivileges(ctx, db, *m.Database)
+	if err != nil {
+		return err
+	}
+	m.Privileges = privileges
+
+	return nil
 }
 
 func (m *MysqlDatabase) PopulateVersion(
@@ -174,8 +222,8 @@ func (m *MysqlDatabase) PopulateVersion(
 	if err != nil {
 		return err
 	}
-
 	m.Version = detectedVersion
+
 	return nil
 }
 
@@ -184,17 +232,17 @@ func (m *MysqlDatabase) IsUserReadOnly(
 	logger *slog.Logger,
 	encryptor encryption.FieldEncryptor,
 	databaseID uuid.UUID,
-) (bool, error) {
+) (bool, []string, error) {
 	password, err := decryptPasswordIfNeeded(m.Password, encryptor, databaseID)
 	if err != nil {
-		return false, fmt.Errorf("failed to decrypt password: %w", err)
+		return false, nil, fmt.Errorf("failed to decrypt password: %w", err)
 	}
 
 	dsn := m.buildDSN(password, *m.Database)
 
 	db, err := sql.Open("mysql", dsn)
 	if err != nil {
-		return false, fmt.Errorf("failed to connect to database: %w", err)
+		return false, nil, fmt.Errorf("failed to connect to database: %w", err)
 	}
 	defer func() {
 		if closeErr := db.Close(); closeErr != nil {
@@ -204,33 +252,45 @@ func (m *MysqlDatabase) IsUserReadOnly(
 
 	rows, err := db.QueryContext(ctx, "SHOW GRANTS FOR CURRENT_USER()")
 	if err != nil {
-		return false, fmt.Errorf("failed to check grants: %w", err)
+		return false, nil, fmt.Errorf("failed to check grants: %w", err)
 	}
 	defer func() { _ = rows.Close() }()
 
 	writePrivileges := []string{
 		"INSERT", "UPDATE", "DELETE", "CREATE", "DROP", "ALTER",
 		"INDEX", "GRANT OPTION", "ALL PRIVILEGES", "SUPER",
+		"EXECUTE", "FILE", "RELOAD", "SHUTDOWN", "CREATE ROUTINE",
+		"ALTER ROUTINE", "CREATE USER",
+		"CREATE TABLESPACE", "REFERENCES",
 	}
 
+	detectedPrivileges := make(map[string]bool)
+
 	for rows.Next() {
 		var grant string
 		if err := rows.Scan(&grant); err != nil {
-			return false, fmt.Errorf("failed to scan grant: %w", err)
+			return false, nil, fmt.Errorf("failed to scan grant: %w", err)
 		}
 
 		for _, priv := range writePrivileges {
 			if regexp.MustCompile(`(?i)\b` + priv + `\b`).MatchString(grant) {
-				return false, nil
+				detectedPrivileges[priv] = true
 			}
 		}
 	}
 
 	if err := rows.Err(); err != nil {
-		return false, fmt.Errorf("error iterating grants: %w", err)
+		return false, nil, fmt.Errorf("error iterating grants: %w", err)
 	}
 
-	return true, nil
+	privileges := make([]string, 0, len(detectedPrivileges))
+	for priv := range detectedPrivileges {
+		privileges = append(privileges, priv)
+	}
+
+	isReadOnly := len(privileges) == 0
+
+	return isReadOnly, privileges, nil
 }
 
 func (m *MysqlDatabase) CreateReadOnlyUser(
@@ -259,7 +319,7 @@ func (m *MysqlDatabase) CreateReadOnlyUser(
 	maxRetries := 3
 	for attempt := range maxRetries {
 		newUsername := fmt.Sprintf("databasus-%s", uuid.New().String()[:8])
-		newPassword := uuid.New().String()
+		newPassword := encryption.GenerateComplexPassword()
 
 		tx, err := db.BeginTx(ctx, nil)
 		if err != nil {
@@ -325,20 +385,45 @@ func (m *MysqlDatabase) CreateReadOnlyUser(
 	return "", "", errors.New("failed to generate unique username after 3 attempts")
 }
 
+func (m *MysqlDatabase) HasPrivilege(priv string) bool {
+	return HasPrivilege(m.Privileges, priv)
+}
+
+func HasPrivilege(privileges, priv string) bool {
+	for p := range strings.SplitSeq(privileges, ",") {
+		if strings.TrimSpace(p) == priv {
+			return true
+		}
+	}
+	return false
+}
+
 func (m *MysqlDatabase) buildDSN(password string, database string) string {
 	tlsConfig := "false"
+	allowCleartext := ""
+
 	if m.IsHttps {
-		tlsConfig = "true"
+		err := mysql.RegisterTLSConfig("mysql-skip-verify", &tls.Config{
+			InsecureSkipVerify: true,
+		})
+		if err != nil {
+			// Config might already be registered, which is fine
+			_ = err
+		}
+
+		tlsConfig = "mysql-skip-verify"
+		allowCleartext = "&allowCleartextPasswords=1"
 	}
 
 	return fmt.Sprintf(
-		"%s:%s@tcp(%s:%d)/%s?parseTime=true&timeout=15s&tls=%s&charset=utf8mb4",
+		"%s:%s@tcp(%s:%d)/%s?parseTime=true&timeout=15s&tls=%s&charset=utf8mb4%s",
 		m.Username,
 		password,
 		m.Host,
 		m.Port,
 		database,
 		tlsConfig,
+		allowCleartext,
 	)
 }
 
@@ -388,6 +473,104 @@ func mapMysql8xVersion(minor string) tools.MysqlVersion {
 	}
 }
 
+// detectPrivileges detects backup-related privileges and returns them as comma-separated string
+func detectPrivileges(ctx context.Context, db *sql.DB, database string) (string, error) {
+	rows, err := db.QueryContext(ctx, "SHOW GRANTS FOR CURRENT_USER()")
+	if err != nil {
+		return "", fmt.Errorf("failed to check grants: %w", err)
+	}
+	defer func() { _ = rows.Close() }()
+
+	backupPrivileges := []string{
+		"SELECT", "SHOW VIEW", "LOCK TABLES", "TRIGGER", "EVENT",
+	}
+
+	detectedPrivileges := make(map[string]bool)
+	hasProcess := false
+	hasAllPrivileges := false
+
+	dbPatternStr := fmt.Sprintf(
+		`(?i)ON\s+[\x60'"]?%s[\x60'"]?\s*\.\s*\*`,
+		regexp.QuoteMeta(database),
+	)
+	dbPattern := regexp.MustCompile(dbPatternStr)
+	globalPattern := regexp.MustCompile(`(?i)ON\s+\*\s*\.\s*\*`)
+	allPrivilegesPattern := regexp.MustCompile(`(?i)\bALL\s+PRIVILEGES\b`)
+
+	for rows.Next() {
+		var grant string
+		if err := rows.Scan(&grant); err != nil {
+			return "", fmt.Errorf("failed to scan grant: %w", err)
+		}
+
+		isRelevantGrant := globalPattern.MatchString(grant) || dbPattern.MatchString(grant)
+
+		if allPrivilegesPattern.MatchString(grant) && isRelevantGrant {
+			hasAllPrivileges = true
+		}
+
+		if isRelevantGrant {
+			for _, priv := range backupPrivileges {
+				privPattern := regexp.MustCompile(`(?i)\b` + regexp.QuoteMeta(priv) + `\b`)
+				if privPattern.MatchString(grant) {
+					detectedPrivileges[priv] = true
+				}
+			}
+		}
+
+		if globalPattern.MatchString(grant) {
+			processPattern := regexp.MustCompile(`(?i)\bPROCESS\b`)
+			if processPattern.MatchString(grant) {
+				hasProcess = true
+			}
+		}
+	}
+
+	if err := rows.Err(); err != nil {
+		return "", fmt.Errorf("error iterating grants: %w", err)
+	}
+
+	if hasAllPrivileges {
+		for _, priv := range backupPrivileges {
+			detectedPrivileges[priv] = true
+		}
+		hasProcess = true
+	}
+
+	privileges := make([]string, 0, len(detectedPrivileges)+1)
+	for priv := range detectedPrivileges {
+		privileges = append(privileges, priv)
+	}
+	if hasProcess {
+		privileges = append(privileges, "PROCESS")
+	}
+
+	sort.Strings(privileges)
+	return strings.Join(privileges, ","), nil
+}
+
+// checkBackupPermissions verifies the user has sufficient privileges for mysqldump backup.
+// Required: SELECT, SHOW VIEW
+func checkBackupPermissions(privileges string) error {
+	requiredPrivileges := []string{"SELECT", "SHOW VIEW"}
+
+	var missingPrivileges []string
+	for _, priv := range requiredPrivileges {
+		if !HasPrivilege(privileges, priv) {
+			missingPrivileges = append(missingPrivileges, priv)
+		}
+	}
+
+	if len(missingPrivileges) > 0 {
+		return fmt.Errorf(
+			"insufficient permissions for backup. Missing: %s. Required: SELECT, SHOW VIEW",
+			strings.Join(missingPrivileges, ", "),
+		)
+	}
+
+	return nil
+}
+
 func decryptPasswordIfNeeded(
 	password string,
 	encryptor encryption.FieldEncryptor,

backend/internal/features/databases/databases/mysql/model_test.go

@@ -18,6 +18,165 @@ import (
 	"databasus-backend/internal/util/tools"
 )
 
+func Test_TestConnection_InsufficientPermissions_ReturnsError(t *testing.T) {
+	env := config.GetEnv()
+	cases := []struct {
+		name    string
+		version tools.MysqlVersion
+		port    string
+	}{
+		{"MySQL 5.7", tools.MysqlVersion57, env.TestMysql57Port},
+		{"MySQL 8.0", tools.MysqlVersion80, env.TestMysql80Port},
+		{"MySQL 8.4", tools.MysqlVersion84, env.TestMysql84Port},
+		{"MySQL 9", tools.MysqlVersion9, env.TestMysql90Port},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			container := connectToMysqlContainer(t, tc.port, tc.version)
+			defer container.DB.Close()
+
+			_, err := container.DB.Exec(`DROP TABLE IF EXISTS permission_test`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`CREATE TABLE permission_test (
+				id INT AUTO_INCREMENT PRIMARY KEY,
+				data VARCHAR(255) NOT NULL
+			)`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`INSERT INTO permission_test (data) VALUES ('test1')`)
+			assert.NoError(t, err)
+
+			limitedUsername := fmt.Sprintf("limited_%s", uuid.New().String()[:8])
+			limitedPassword := "limitedpassword123"
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"CREATE USER '%s'@'%%' IDENTIFIED BY '%s'",
+				limitedUsername,
+				limitedPassword,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"GRANT SELECT ON `%s`.* TO '%s'@'%%'",
+				container.Database,
+				limitedUsername,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec("FLUSH PRIVILEGES")
+			assert.NoError(t, err)
+
+			defer func() {
+				_, _ = container.DB.Exec(
+					fmt.Sprintf("DROP USER IF EXISTS '%s'@'%%'", limitedUsername),
+				)
+			}()
+
+			mysqlModel := &MysqlDatabase{
+				Version:  tc.version,
+				Host:     container.Host,
+				Port:     container.Port,
+				Username: limitedUsername,
+				Password: limitedPassword,
+				Database: &container.Database,
+				IsHttps:  false,
+			}
+
+			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+			err = mysqlModel.TestConnection(logger, nil, uuid.New())
+			assert.Error(t, err)
+			assert.Contains(t, err.Error(), "insufficient permissions")
+		})
+	}
+}
+
+func Test_TestConnection_SufficientPermissions_Success(t *testing.T) {
+	env := config.GetEnv()
+	cases := []struct {
+		name    string
+		version tools.MysqlVersion
+		port    string
+	}{
+		{"MySQL 5.7", tools.MysqlVersion57, env.TestMysql57Port},
+		{"MySQL 8.0", tools.MysqlVersion80, env.TestMysql80Port},
+		{"MySQL 8.4", tools.MysqlVersion84, env.TestMysql84Port},
+		{"MySQL 9", tools.MysqlVersion9, env.TestMysql90Port},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			container := connectToMysqlContainer(t, tc.port, tc.version)
+			defer container.DB.Close()
+
+			_, err := container.DB.Exec(`DROP TABLE IF EXISTS backup_test`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`CREATE TABLE backup_test (
+				id INT AUTO_INCREMENT PRIMARY KEY,
+				data VARCHAR(255) NOT NULL
+			)`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`INSERT INTO backup_test (data) VALUES ('test1')`)
+			assert.NoError(t, err)
+
+			backupUsername := fmt.Sprintf("backup_%s", uuid.New().String()[:8])
+			backupPassword := "backuppassword123"
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"CREATE USER '%s'@'%%' IDENTIFIED BY '%s'",
+				backupUsername,
+				backupPassword,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"GRANT SELECT, SHOW VIEW, LOCK TABLES, TRIGGER, EVENT ON `%s`.* TO '%s'@'%%'",
+				container.Database,
+				backupUsername,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"GRANT PROCESS ON *.* TO '%s'@'%%'",
+				backupUsername,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec("FLUSH PRIVILEGES")
+			assert.NoError(t, err)
+
+			defer func() {
+				_, _ = container.DB.Exec(
+					fmt.Sprintf("DROP USER IF EXISTS '%s'@'%%'", backupUsername),
+				)
+			}()
+
+			mysqlModel := &MysqlDatabase{
+				Version:  tc.version,
+				Host:     container.Host,
+				Port:     container.Port,
+				Username: backupUsername,
+				Password: backupPassword,
+				Database: &container.Database,
+				IsHttps:  false,
+			}
+
+			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+			err = mysqlModel.TestConnection(logger, nil, uuid.New())
+			assert.NoError(t, err)
+		})
+	}
+}
+
 func Test_IsUserReadOnly_AdminUser_ReturnsFalse(t *testing.T) {
 	env := config.GetEnv()
 	cases := []struct {
@@ -42,13 +201,57 @@ func Test_IsUserReadOnly_AdminUser_ReturnsFalse(t *testing.T) {
 			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
 			ctx := context.Background()
 
-			isReadOnly, err := mysqlModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
+			isReadOnly, privileges, err := mysqlModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
 			assert.NoError(t, err)
 			assert.False(t, isReadOnly, "Root user should not be read-only")
+			assert.NotEmpty(t, privileges, "Root user should have privileges")
 		})
 	}
 }
 
+func Test_IsUserReadOnly_ReadOnlyUser_ReturnsTrue(t *testing.T) {
+	env := config.GetEnv()
+	container := connectToMysqlContainer(t, env.TestMysql80Port, tools.MysqlVersion80)
+	defer container.DB.Close()
+
+	_, err := container.DB.Exec(`DROP TABLE IF EXISTS readonly_check_test`)
+	assert.NoError(t, err)
+
+	_, err = container.DB.Exec(`CREATE TABLE readonly_check_test (
+			id INT AUTO_INCREMENT PRIMARY KEY,
+			data VARCHAR(255) NOT NULL
+		)`)
+	assert.NoError(t, err)
+
+	_, err = container.DB.Exec(`INSERT INTO readonly_check_test (data) VALUES ('test1')`)
+	assert.NoError(t, err)
+
+	mysqlModel := createMysqlModel(container)
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+	ctx := context.Background()
+
+	username, password, err := mysqlModel.CreateReadOnlyUser(ctx, logger, nil, uuid.New())
+	assert.NoError(t, err)
+
+	readOnlyModel := &MysqlDatabase{
+		Version:  mysqlModel.Version,
+		Host:     mysqlModel.Host,
+		Port:     mysqlModel.Port,
+		Username: username,
+		Password: password,
+		Database: mysqlModel.Database,
+		IsHttps:  false,
+	}
+
+	isReadOnly, privileges, err := readOnlyModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
+	assert.NoError(t, err)
+	assert.True(t, isReadOnly, "Read-only user should be read-only")
+	assert.Empty(t, privileges, "Read-only user should have no write privileges")
+
+	_, err = container.DB.Exec(fmt.Sprintf("DROP USER IF EXISTS '%s'@'%%'", username))
+	assert.NoError(t, err)
+}
+
 func Test_CreateReadOnlyUser_UserCanReadButNotWrite(t *testing.T) {
 	env := config.GetEnv()
 	cases := []struct {
@@ -109,9 +312,15 @@ func Test_CreateReadOnlyUser_UserCanReadButNotWrite(t *testing.T) {
 				IsHttps:  false,
 			}
 
-			isReadOnly, err := readOnlyModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
+			isReadOnly, privileges, err := readOnlyModel.IsUserReadOnly(
+				ctx,
+				logger,
+				nil,
+				uuid.New(),
+			)
 			assert.NoError(t, err)
 			assert.True(t, isReadOnly, "Created user should be read-only")
+			assert.Empty(t, privileges, "Read-only user should have no write privileges")
 
 			readOnlyDSN := fmt.Sprintf(
 				"%s:%s@tcp(%s:%d)/%s?parseTime=true",
@@ -309,6 +518,162 @@ func Test_ReadOnlyUser_CannotDropOrAlterTables(t *testing.T) {
 	assert.NoError(t, err)
 }
 
+func Test_TestConnection_DatabaseSpecificPrivilegesWithGlobalProcess_Success(t *testing.T) {
+	env := config.GetEnv()
+	cases := []struct {
+		name    string
+		version tools.MysqlVersion
+		port    string
+	}{
+		{"MySQL 5.7", tools.MysqlVersion57, env.TestMysql57Port},
+		{"MySQL 8.0", tools.MysqlVersion80, env.TestMysql80Port},
+		{"MySQL 8.4", tools.MysqlVersion84, env.TestMysql84Port},
+		{"MySQL 9", tools.MysqlVersion9, env.TestMysql90Port},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			container := connectToMysqlContainer(t, tc.port, tc.version)
+			defer container.DB.Close()
+
+			_, err := container.DB.Exec(`DROP TABLE IF EXISTS privilege_test`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`CREATE TABLE privilege_test (
+				id INT AUTO_INCREMENT PRIMARY KEY,
+				data VARCHAR(255) NOT NULL
+			)`)
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(`INSERT INTO privilege_test (data) VALUES ('test1')`)
+			assert.NoError(t, err)
+
+			specificUsername := fmt.Sprintf("specific_%s", uuid.New().String()[:8])
+			specificPassword := "specificpass123"
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"CREATE USER '%s'@'%%' IDENTIFIED BY '%s'",
+				specificUsername,
+				specificPassword,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"GRANT SELECT, SHOW VIEW ON %s.* TO '%s'@'%%'",
+				container.Database,
+				specificUsername,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				"GRANT PROCESS ON *.* TO '%s'@'%%'",
+				specificUsername,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec("FLUSH PRIVILEGES")
+			assert.NoError(t, err)
+
+			defer func() {
+				_, _ = container.DB.Exec(
+					fmt.Sprintf("DROP USER IF EXISTS '%s'@'%%'", specificUsername),
+				)
+			}()
+
+			mysqlModel := &MysqlDatabase{
+				Version:  tc.version,
+				Host:     container.Host,
+				Port:     container.Port,
+				Username: specificUsername,
+				Password: specificPassword,
+				Database: &container.Database,
+				IsHttps:  false,
+			}
+
+			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+			err = mysqlModel.TestConnection(logger, nil, uuid.New())
+			assert.NoError(t, err)
+		})
+	}
+}
+
+func Test_TestConnection_DatabaseWithUnderscores_Success(t *testing.T) {
+	env := config.GetEnv()
+	container := connectToMysqlContainer(t, env.TestMysql80Port, tools.MysqlVersion80)
+	defer container.DB.Close()
+
+	underscoreDbName := "test_db_name"
+
+	_, err := container.DB.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS `%s`", underscoreDbName))
+	assert.NoError(t, err)
+
+	_, err = container.DB.Exec(fmt.Sprintf("CREATE DATABASE `%s`", underscoreDbName))
+	assert.NoError(t, err)
+
+	defer func() {
+		_, _ = container.DB.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS `%s`", underscoreDbName))
+	}()
+
+	underscoreDSN := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true",
+		container.Username, container.Password, container.Host, container.Port, underscoreDbName)
+	underscoreDB, err := sqlx.Connect("mysql", underscoreDSN)
+	assert.NoError(t, err)
+	defer underscoreDB.Close()
+
+	_, err = underscoreDB.Exec(`
+		CREATE TABLE underscore_test (
+			id INT AUTO_INCREMENT PRIMARY KEY,
+			data VARCHAR(255) NOT NULL
+		)
+	`)
+	assert.NoError(t, err)
+
+	_, err = underscoreDB.Exec(`INSERT INTO underscore_test (data) VALUES ('test1')`)
+	assert.NoError(t, err)
+
+	underscoreUsername := fmt.Sprintf("under_%s", uuid.New().String()[:8])
+	underscorePassword := "underscorepass123"
+
+	_, err = underscoreDB.Exec(fmt.Sprintf(
+		"CREATE USER '%s'@'%%' IDENTIFIED BY '%s'",
+		underscoreUsername,
+		underscorePassword,
+	))
+	assert.NoError(t, err)
+
+	_, err = underscoreDB.Exec(fmt.Sprintf(
+		"GRANT SELECT, SHOW VIEW ON `%s`.* TO '%s'@'%%'",
+		underscoreDbName,
+		underscoreUsername,
+	))
+	assert.NoError(t, err)
+
+	_, err = underscoreDB.Exec("FLUSH PRIVILEGES")
+	assert.NoError(t, err)
+
+	defer func() {
+		_, _ = underscoreDB.Exec(fmt.Sprintf("DROP USER IF EXISTS '%s'@'%%'", underscoreUsername))
+	}()
+
+	mysqlModel := &MysqlDatabase{
+		Version:  tools.MysqlVersion80,
+		Host:     container.Host,
+		Port:     container.Port,
+		Username: underscoreUsername,
+		Password: underscorePassword,
+		Database: &underscoreDbName,
+		IsHttps:  false,
+	}
+
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+	err = mysqlModel.TestConnection(logger, nil, uuid.New())
+	assert.NoError(t, err)
+}
+
 type MysqlContainer struct {
 	Host     string
 	Port     int

backend/internal/features/databases/databases/postgresql/model.go

@@ -34,6 +34,7 @@ type PostgresqlDatabase struct {
 	// backup settings
 	IncludeSchemas       []string `json:"includeSchemas" gorm:"-"`
 	IncludeSchemasString string   `json:"-"              gorm:"column:include_schemas;type:text;not null;default:''"`
+	CpuCount             int      `json:"cpuCount"       gorm:"column:cpu_count;type:int;not null;default:1"`
 
 	// restore settings (not saved to DB)
 	IsExcludeExtensions bool `json:"isExcludeExtensions" gorm:"-"`
@@ -80,6 +81,31 @@ func (p *PostgresqlDatabase) Validate() error {
 		return errors.New("password is required")
 	}
 
+	if p.CpuCount <= 0 {
+		return errors.New("cpu count must be greater than 0")
+	}
+
+	// Prevent Databasus from backing up itself
+	// Databasus runs an internal PostgreSQL instance that should not be backed up through the UI
+	// because it would expose internal metadata to non-system administrators.
+	// To properly backup Databasus, see: https://databasus.com/faq#backup-databasus
+	if p.Database != nil && *p.Database != "" {
+		localhostHosts := []string{"localhost", "127.0.0.1", "172.17.0.1", "host.docker.internal"}
+		isLocalhost := false
+		for _, host := range localhostHosts {
+			if strings.EqualFold(p.Host, host) {
+				isLocalhost = true
+				break
+			}
+		}
+
+		if isLocalhost && strings.EqualFold(*p.Database, "databasus") {
+			return errors.New(
+				"backing up Databasus internal database is not allowed. To backup Databasus itself, see https://databasus.com/faq#backup-databasus",
+			)
+		}
+	}
+
 	return nil
 }
 
@@ -110,6 +136,7 @@ func (p *PostgresqlDatabase) Update(incoming *PostgresqlDatabase) {
 	p.Database = incoming.Database
 	p.IsHttps = incoming.IsHttps
 	p.IncludeSchemas = incoming.IncludeSchemas
+	p.CpuCount = incoming.CpuCount
 
 	if incoming.Password != "" {
 		p.Password = incoming.Password
@@ -131,16 +158,13 @@ func (p *PostgresqlDatabase) EncryptSensitiveFields(
 	return nil
 }
 
-// PopulateVersionIfEmpty detects and sets the PostgreSQL version if not already set.
+// PopulateDbData detects and sets the PostgreSQL version.
 // This should be called before encrypting sensitive fields.
-func (p *PostgresqlDatabase) PopulateVersionIfEmpty(
+func (p *PostgresqlDatabase) PopulateDbData(
 	logger *slog.Logger,
 	encryptor encryption.FieldEncryptor,
 	databaseID uuid.UUID,
 ) error {
-	if p.Version != "" {
-		return nil
-	}
 	return p.PopulateVersion(logger, encryptor, databaseID)
 }
 
@@ -186,29 +210,33 @@ func (p *PostgresqlDatabase) PopulateVersion(
 // IsUserReadOnly checks if the database user has read-only privileges.
 //
 // This method performs a comprehensive security check by examining:
-// - Role-level attributes (superuser, createrole, createdb)
+// - Role-level attributes (superuser, createrole, createdb, bypassrls, replication)
 // - Database-level privileges (CREATE, TEMP)
+// - Schema-level privileges (CREATE on any non-system schema)
 // - Table-level write permissions (INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER)
+// - Function-level privileges (EXECUTE on SECURITY DEFINER functions)
 //
 // A user is considered read-only only if they have ZERO write privileges
-// across all three levels. This ensures the database user follows the
+// across all levels. This ensures the database user follows the
 // principle of least privilege for backup operations.
+//
+// Returns: (isReadOnly, detectedPrivileges, error)
 func (p *PostgresqlDatabase) IsUserReadOnly(
 	ctx context.Context,
 	logger *slog.Logger,
 	encryptor encryption.FieldEncryptor,
 	databaseID uuid.UUID,
-) (bool, error) {
+) (bool, []string, error) {
 	password, err := decryptPasswordIfNeeded(p.Password, encryptor, databaseID)
 	if err != nil {
-		return false, fmt.Errorf("failed to decrypt password: %w", err)
+		return false, nil, fmt.Errorf("failed to decrypt password: %w", err)
 	}
 
 	connStr := buildConnectionStringForDB(p, *p.Database, password)
 
 	conn, err := pgx.Connect(ctx, connStr)
 	if err != nil {
-		return false, fmt.Errorf("failed to connect to database: %w", err)
+		return false, nil, fmt.Errorf("failed to connect to database: %w", err)
 	}
 	defer func() {
 		if closeErr := conn.Close(ctx); closeErr != nil {
@@ -216,22 +244,38 @@ func (p *PostgresqlDatabase) IsUserReadOnly(
 		}
 	}()
 
+	var privileges []string
+
 	// LEVEL 1: Check role-level attributes
-	var isSuperuser, canCreateRole, canCreateDB bool
+	var isSuperuser, canCreateRole, canCreateDB, canBypassRLS, canReplication bool
 	err = conn.QueryRow(ctx, `
 		SELECT
 			rolsuper,
 			rolcreaterole,
-			rolcreatedb
+			rolcreatedb,
+			rolbypassrls,
+			rolreplication
 		FROM pg_roles
 		WHERE rolname = current_user
-	`).Scan(&isSuperuser, &canCreateRole, &canCreateDB)
+	`).Scan(&isSuperuser, &canCreateRole, &canCreateDB, &canBypassRLS, &canReplication)
 	if err != nil {
-		return false, fmt.Errorf("failed to check role attributes: %w", err)
+		return false, nil, fmt.Errorf("failed to check role attributes: %w", err)
 	}
 
-	if isSuperuser || canCreateRole || canCreateDB {
-		return false, nil
+	if isSuperuser {
+		privileges = append(privileges, "SUPERUSER")
+	}
+	if canCreateRole {
+		privileges = append(privileges, "CREATEROLE")
+	}
+	if canCreateDB {
+		privileges = append(privileges, "CREATEDB")
+	}
+	if canBypassRLS {
+		privileges = append(privileges, "BYPASSRLS")
+	}
+	if canReplication {
+		privileges = append(privileges, "REPLICATION")
 	}
 
 	// LEVEL 2: Check database-level privileges
@@ -242,46 +286,34 @@ func (p *PostgresqlDatabase) IsUserReadOnly(
 			has_database_privilege(current_user, current_database(), 'TEMP') as can_temp
 	`).Scan(&canCreate, &canTemp)
 	if err != nil {
-		return false, fmt.Errorf("failed to check database privileges: %w", err)
+		return false, nil, fmt.Errorf("failed to check database privileges: %w", err)
 	}
 
-	if canCreate || canTemp {
-		return false, nil
+	if canCreate {
+		privileges = append(privileges, "CREATE (database)")
+	}
+	if canTemp {
+		privileges = append(privileges, "TEMP")
 	}
 
 	// LEVEL 2.5: Check schema-level CREATE privileges
-	schemaRows, err := conn.Query(ctx, `
-		SELECT DISTINCT nspname
-		FROM pg_namespace n
-		WHERE has_schema_privilege(current_user, n.nspname, 'CREATE')
-		AND nspname NOT IN ('pg_catalog', 'information_schema', 'pg_toast')
-	`)
+	var hasSchemaCreate bool
+	err = conn.QueryRow(ctx, `
+		SELECT EXISTS(
+			SELECT 1
+			FROM pg_namespace n
+			WHERE has_schema_privilege(current_user, n.nspname, 'CREATE')
+			AND nspname NOT IN ('pg_catalog', 'information_schema', 'pg_toast')
+		)
+	`).Scan(&hasSchemaCreate)
 	if err != nil {
-		return false, fmt.Errorf("failed to check schema privileges: %w", err)
+		return false, nil, fmt.Errorf("failed to check schema privileges: %w", err)
 	}
-	defer schemaRows.Close()
-
-	// If user has CREATE privilege on any schema, they're not read-only
-	if schemaRows.Next() {
-		return false, nil
-	}
-
-	if err := schemaRows.Err(); err != nil {
-		return false, fmt.Errorf("error iterating schema privileges: %w", err)
+	if hasSchemaCreate {
+		privileges = append(privileges, "CREATE (schema)")
 	}
 
 	// LEVEL 3: Check table-level write permissions
-	rows, err := conn.Query(ctx, `
-		SELECT DISTINCT privilege_type
-		FROM information_schema.role_table_grants
-		WHERE grantee = current_user
-		AND table_schema NOT IN ('pg_catalog', 'information_schema')
-	`)
-	if err != nil {
-		return false, fmt.Errorf("failed to check table privileges: %w", err)
-	}
-	defer rows.Close()
-
 	writePrivileges := map[string]bool{
 		"INSERT":     true,
 		"UPDATE":     true,
@@ -291,22 +323,56 @@ func (p *PostgresqlDatabase) IsUserReadOnly(
 		"TRIGGER":    true,
 	}
 
+	var tablePrivileges []string
+	rows, err := conn.Query(ctx, `
+		SELECT DISTINCT privilege_type
+		FROM information_schema.role_table_grants
+		WHERE grantee = current_user
+		AND table_schema NOT IN ('pg_catalog', 'information_schema')
+	`)
+	if err != nil {
+		return false, nil, fmt.Errorf("failed to check table privileges: %w", err)
+	}
+
 	for rows.Next() {
 		var privilege string
 		if err := rows.Scan(&privilege); err != nil {
-			return false, fmt.Errorf("failed to scan privilege: %w", err)
-		}
-
-		if writePrivileges[privilege] {
-			return false, nil
+			rows.Close()
+			return false, nil, fmt.Errorf("failed to scan privilege: %w", err)
 		}
+		tablePrivileges = append(tablePrivileges, privilege)
 	}
+	rows.Close()
 
 	if err := rows.Err(); err != nil {
-		return false, fmt.Errorf("error iterating privileges: %w", err)
+		return false, nil, fmt.Errorf("error iterating privileges: %w", err)
 	}
 
-	return true, nil
+	for _, privilege := range tablePrivileges {
+		if writePrivileges[privilege] {
+			privileges = append(privileges, privilege)
+		}
+	}
+
+	// LEVEL 4: Check for EXECUTE privilege on functions that are SECURITY DEFINER
+	var funcCount int
+	err = conn.QueryRow(ctx, `
+		SELECT COUNT(*)
+		FROM pg_proc p
+		JOIN pg_namespace n ON p.pronamespace = n.oid
+		WHERE n.nspname NOT IN ('pg_catalog', 'information_schema')
+		AND p.prosecdef = true
+		AND has_function_privilege(current_user, p.oid, 'EXECUTE')
+	`).Scan(&funcCount)
+	if err != nil {
+		return false, nil, fmt.Errorf("failed to check function privileges: %w", err)
+	}
+	if funcCount > 0 {
+		privileges = append(privileges, "EXECUTE (SECURITY DEFINER)")
+	}
+
+	isReadOnly := len(privileges) == 0
+	return isReadOnly, privileges, nil
 }
 
 // CreateReadOnlyUser creates a new PostgreSQL user with read-only privileges.
@@ -377,7 +443,7 @@ func (p *PostgresqlDatabase) CreateReadOnlyUser(
 			}
 		}
 
-		newPassword := uuid.New().String()
+		newPassword := encryption.GenerateComplexPassword()
 
 		tx, err := conn.Begin(ctx)
 		if err != nil {
@@ -625,13 +691,9 @@ func testSingleDatabaseConnection(
 	}
 	postgresDb.Version = detectedVersion
 
-	// Test if we can perform basic operations (like pg_dump would need)
-	if err := testBasicOperations(ctx, conn, *postgresDb.Database); err != nil {
-		return fmt.Errorf(
-			"basic operations test failed for database '%s': %w",
-			*postgresDb.Database,
-			err,
-		)
+	// Verify user has sufficient permissions for backup operations
+	if err := checkBackupPermissions(ctx, conn, postgresDb.IncludeSchemas); err != nil {
+		return err
 	}
 
 	return nil
@@ -664,18 +726,128 @@ func detectDatabaseVersion(ctx context.Context, conn *pgx.Conn) (tools.Postgresq
 	}
 }
 
-// testBasicOperations tests basic operations that backup tools need
-func testBasicOperations(ctx context.Context, conn *pgx.Conn, dbName string) error {
-	var hasCreatePriv bool
+// checkBackupPermissions verifies the user has sufficient privileges for pg_dump backup.
+// Required privileges: CONNECT on database, USAGE on schemas, SELECT on tables.
+// If includeSchemas is specified, only checks permissions on those schemas.
+func checkBackupPermissions(
+	ctx context.Context,
+	conn *pgx.Conn,
+	includeSchemas []string,
+) error {
+	var missingPrivileges []string
 
+	// Check CONNECT privilege on database
+	var hasConnect bool
 	err := conn.QueryRow(ctx, "SELECT has_database_privilege(current_user, current_database(), 'CONNECT')").
-		Scan(&hasCreatePriv)
+		Scan(&hasConnect)
 	if err != nil {
 		return fmt.Errorf("cannot check database privileges: %w", err)
 	}
+	if !hasConnect {
+		missingPrivileges = append(missingPrivileges, "CONNECT on database")
+	}
 
-	if !hasCreatePriv {
-		return fmt.Errorf("user does not have CONNECT privilege on database '%s'", dbName)
+	// Check USAGE privilege on at least one non-system schema
+	var schemaCount int
+	if len(includeSchemas) > 0 {
+		// Check only the specified schemas
+		err = conn.QueryRow(ctx, `
+			SELECT COUNT(*)
+			FROM pg_namespace n
+			WHERE has_schema_privilege(current_user, n.nspname, 'USAGE')
+			AND n.nspname NOT IN ('pg_catalog', 'information_schema', 'pg_toast')
+			AND n.nspname NOT LIKE 'pg_temp_%'
+			AND n.nspname NOT LIKE 'pg_toast_temp_%'
+			AND n.nspname = ANY($1::text[])
+		`, includeSchemas).Scan(&schemaCount)
+	} else {
+		// Check all non-system schemas
+		err = conn.QueryRow(ctx, `
+			SELECT COUNT(*)
+			FROM pg_namespace n
+			WHERE has_schema_privilege(current_user, n.nspname, 'USAGE')
+			AND n.nspname NOT IN ('pg_catalog', 'information_schema', 'pg_toast')
+			AND n.nspname NOT LIKE 'pg_temp_%'
+			AND n.nspname NOT LIKE 'pg_toast_temp_%'
+		`).Scan(&schemaCount)
+	}
+
+	if err != nil {
+		return fmt.Errorf("cannot check schema privileges: %w", err)
+	}
+	if schemaCount == 0 {
+		missingPrivileges = append(missingPrivileges, "USAGE on at least one schema")
+	}
+
+	// Check SELECT privilege on at least one table (if tables exist)
+	// Use pg_tables from pg_catalog which shows all tables regardless of user privileges
+	var tableCount int
+
+	if len(includeSchemas) > 0 {
+		// Check only tables in the specified schemas
+		err = conn.QueryRow(ctx, `
+			SELECT COUNT(*)
+			FROM pg_catalog.pg_tables t
+			WHERE t.schemaname NOT IN ('pg_catalog', 'information_schema')
+			AND t.schemaname NOT LIKE 'pg_temp_%'
+			AND t.schemaname NOT LIKE 'pg_toast_temp_%'
+			AND t.schemaname = ANY($1::text[])
+		`, includeSchemas).Scan(&tableCount)
+	} else {
+		// Check all tables in non-system schemas
+		err = conn.QueryRow(ctx, `
+			SELECT COUNT(*)
+			FROM pg_catalog.pg_tables t
+			WHERE t.schemaname NOT IN ('pg_catalog', 'information_schema')
+			AND t.schemaname NOT LIKE 'pg_temp_%'
+			AND t.schemaname NOT LIKE 'pg_toast_temp_%'
+		`).Scan(&tableCount)
+	}
+
+	if err != nil {
+		return fmt.Errorf("cannot check table count: %w", err)
+	}
+
+	if tableCount > 0 {
+		// Check if user has SELECT on at least one of these tables
+		var selectableTableCount int
+
+		if len(includeSchemas) > 0 {
+			// Check only tables in the specified schemas
+			err = conn.QueryRow(ctx, `
+				SELECT COUNT(*)
+				FROM pg_catalog.pg_tables t
+				WHERE t.schemaname NOT IN ('pg_catalog', 'information_schema')
+				AND t.schemaname NOT LIKE 'pg_temp_%'
+				AND t.schemaname NOT LIKE 'pg_toast_temp_%'
+				AND t.schemaname = ANY($1::text[])
+				AND has_table_privilege(current_user, quote_ident(t.schemaname) || '.' || quote_ident(t.tablename), 'SELECT')
+			`, includeSchemas).Scan(&selectableTableCount)
+		} else {
+			// Check all tables in non-system schemas
+			err = conn.QueryRow(ctx, `
+				SELECT COUNT(*)
+				FROM pg_catalog.pg_tables t
+				WHERE t.schemaname NOT IN ('pg_catalog', 'information_schema')
+				AND t.schemaname NOT LIKE 'pg_temp_%'
+				AND t.schemaname NOT LIKE 'pg_toast_temp_%'
+				AND has_table_privilege(current_user, quote_ident(t.schemaname) || '.' || quote_ident(t.tablename), 'SELECT')
+			`).Scan(&selectableTableCount)
+		}
+
+		if err != nil {
+			return fmt.Errorf("cannot check SELECT privileges: %w", err)
+		}
+		if selectableTableCount == 0 {
+			missingPrivileges = append(missingPrivileges, "SELECT on tables")
+		}
+	}
+
+	if len(missingPrivileges) > 0 {
+		return fmt.Errorf(
+			"insufficient permissions for backup. Missing: %s. Required: CONNECT on database, USAGE on schemas, SELECT on tables",
+			strings.Join(missingPrivileges, ", "),
+		)
 	}
 
 	return nil
@@ -689,16 +861,22 @@ func buildConnectionStringForDB(p *PostgresqlDatabase, dbName string, password s
 	}
 
 	return fmt.Sprintf(
-		"host=%s port=%d user=%s password=%s dbname=%s sslmode=%s default_query_exec_mode=simple_protocol standard_conforming_strings=on client_encoding=UTF8",
+		"host=%s port=%d user=%s password='%s' dbname=%s sslmode=%s default_query_exec_mode=simple_protocol standard_conforming_strings=on client_encoding=UTF8",
 		p.Host,
 		p.Port,
 		p.Username,
-		password,
+		escapeConnectionStringValue(password),
 		dbName,
 		sslMode,
 	)
 }
 
+func escapeConnectionStringValue(value string) string {
+	value = strings.ReplaceAll(value, `\`, `\\`)
+	value = strings.ReplaceAll(value, `'`, `\'`)
+	return value
+}
+
 func decryptPasswordIfNeeded(
 	password string,
 	encryptor encryption.FieldEncryptor,

backend/internal/features/databases/databases/postgresql/model_test.go

@@ -13,11 +13,236 @@ import (
 	"github.com/jmoiron/sqlx"
 	_ "github.com/lib/pq"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 
 	"databasus-backend/internal/config"
 	"databasus-backend/internal/util/tools"
 )
 
+func Test_TestConnection_PasswordContainingSpaces_TestedSuccessfully(t *testing.T) {
+	env := config.GetEnv()
+	container := connectToPostgresContainer(t, env.TestPostgres16Port)
+	defer container.DB.Close()
+
+	passwordWithSpaces := "test password with spaces"
+	usernameWithSpaces := fmt.Sprintf("testuser_spaces_%s", uuid.New().String()[:8])
+
+	_, err := container.DB.Exec(`
+		DROP TABLE IF EXISTS password_test CASCADE;
+		CREATE TABLE password_test (
+			id SERIAL PRIMARY KEY,
+			data TEXT NOT NULL
+		);
+		INSERT INTO password_test (data) VALUES ('test1');
+	`)
+	assert.NoError(t, err)
+
+	_, err = container.DB.Exec(fmt.Sprintf(
+		`CREATE USER "%s" WITH PASSWORD '%s' LOGIN`,
+		usernameWithSpaces,
+		passwordWithSpaces,
+	))
+	assert.NoError(t, err)
+
+	_, err = container.DB.Exec(fmt.Sprintf(
+		`GRANT CONNECT ON DATABASE "%s" TO "%s"`,
+		container.Database,
+		usernameWithSpaces,
+	))
+	assert.NoError(t, err)
+
+	_, err = container.DB.Exec(fmt.Sprintf(
+		`GRANT USAGE ON SCHEMA public TO "%s"`,
+		usernameWithSpaces,
+	))
+	assert.NoError(t, err)
+
+	_, err = container.DB.Exec(fmt.Sprintf(
+		`GRANT SELECT ON ALL TABLES IN SCHEMA public TO "%s"`,
+		usernameWithSpaces,
+	))
+	assert.NoError(t, err)
+
+	defer func() {
+		_, _ = container.DB.Exec(fmt.Sprintf(`DROP USER IF EXISTS "%s"`, usernameWithSpaces))
+	}()
+
+	pgModel := &PostgresqlDatabase{
+		Version:  tools.GetPostgresqlVersionEnum("16"),
+		Host:     container.Host,
+		Port:     container.Port,
+		Username: usernameWithSpaces,
+		Password: passwordWithSpaces,
+		Database: &container.Database,
+		IsHttps:  false,
+		CpuCount: 1,
+	}
+
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+	err = pgModel.TestConnection(logger, nil, uuid.New())
+	assert.NoError(t, err)
+}
+
+func Test_TestConnection_InsufficientPermissions_ReturnsError(t *testing.T) {
+	env := config.GetEnv()
+	cases := []struct {
+		name    string
+		version string
+		port    string
+	}{
+		{"PostgreSQL 12", "12", env.TestPostgres12Port},
+		{"PostgreSQL 13", "13", env.TestPostgres13Port},
+		{"PostgreSQL 14", "14", env.TestPostgres14Port},
+		{"PostgreSQL 15", "15", env.TestPostgres15Port},
+		{"PostgreSQL 16", "16", env.TestPostgres16Port},
+		{"PostgreSQL 17", "17", env.TestPostgres17Port},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			container := connectToPostgresContainer(t, tc.port)
+			defer container.DB.Close()
+
+			_, err := container.DB.Exec(`
+				DROP TABLE IF EXISTS permission_test CASCADE;
+				CREATE TABLE permission_test (
+					id SERIAL PRIMARY KEY,
+					data TEXT NOT NULL
+				);
+				INSERT INTO permission_test (data) VALUES ('test1');
+			`)
+			assert.NoError(t, err)
+
+			limitedUsername := fmt.Sprintf("limited_user_%s", uuid.New().String()[:8])
+			limitedPassword := "limitedpassword123"
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				`CREATE USER "%s" WITH PASSWORD '%s' LOGIN`,
+				limitedUsername,
+				limitedPassword,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				`GRANT CONNECT ON DATABASE "%s" TO "%s"`,
+				container.Database,
+				limitedUsername,
+			))
+			assert.NoError(t, err)
+
+			defer func() {
+				_, _ = container.DB.Exec(fmt.Sprintf(`DROP USER IF EXISTS "%s"`, limitedUsername))
+			}()
+
+			pgModel := &PostgresqlDatabase{
+				Version:  tools.GetPostgresqlVersionEnum(tc.version),
+				Host:     container.Host,
+				Port:     container.Port,
+				Username: limitedUsername,
+				Password: limitedPassword,
+				Database: &container.Database,
+				IsHttps:  false,
+				CpuCount: 1,
+			}
+
+			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+			err = pgModel.TestConnection(logger, nil, uuid.New())
+			assert.Error(t, err)
+			if err != nil {
+				assert.Contains(t, err.Error(), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_TestConnection_SufficientPermissions_Success(t *testing.T) {
+	env := config.GetEnv()
+	cases := []struct {
+		name    string
+		version string
+		port    string
+	}{
+		{"PostgreSQL 12", "12", env.TestPostgres12Port},
+		{"PostgreSQL 13", "13", env.TestPostgres13Port},
+		{"PostgreSQL 14", "14", env.TestPostgres14Port},
+		{"PostgreSQL 15", "15", env.TestPostgres15Port},
+		{"PostgreSQL 16", "16", env.TestPostgres16Port},
+		{"PostgreSQL 17", "17", env.TestPostgres17Port},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			container := connectToPostgresContainer(t, tc.port)
+			defer container.DB.Close()
+
+			_, err := container.DB.Exec(`
+				DROP TABLE IF EXISTS backup_test CASCADE;
+				CREATE TABLE backup_test (
+					id SERIAL PRIMARY KEY,
+					data TEXT NOT NULL
+				);
+				INSERT INTO backup_test (data) VALUES ('test1');
+			`)
+			assert.NoError(t, err)
+
+			backupUsername := fmt.Sprintf("backup_user_%s", uuid.New().String()[:8])
+			backupPassword := "backuppassword123"
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				`CREATE USER "%s" WITH PASSWORD '%s' LOGIN`,
+				backupUsername,
+				backupPassword,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				`GRANT CONNECT ON DATABASE "%s" TO "%s"`,
+				container.Database,
+				backupUsername,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				`GRANT USAGE ON SCHEMA public TO "%s"`,
+				backupUsername,
+			))
+			assert.NoError(t, err)
+
+			_, err = container.DB.Exec(fmt.Sprintf(
+				`GRANT SELECT ON ALL TABLES IN SCHEMA public TO "%s"`,
+				backupUsername,
+			))
+			assert.NoError(t, err)
+
+			defer func() {
+				_, _ = container.DB.Exec(fmt.Sprintf(`DROP USER IF EXISTS "%s"`, backupUsername))
+			}()
+
+			pgModel := &PostgresqlDatabase{
+				Version:  tools.GetPostgresqlVersionEnum(tc.version),
+				Host:     container.Host,
+				Port:     container.Port,
+				Username: backupUsername,
+				Password: backupPassword,
+				Database: &container.Database,
+				IsHttps:  false,
+				CpuCount: 1,
+			}
+
+			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+			err = pgModel.TestConnection(logger, nil, uuid.New())
+			assert.NoError(t, err)
+		})
+	}
+}
+
 func Test_IsUserReadOnly_AdminUser_ReturnsFalse(t *testing.T) {
 	env := config.GetEnv()
 	cases := []struct {
@@ -44,13 +269,60 @@ func Test_IsUserReadOnly_AdminUser_ReturnsFalse(t *testing.T) {
 			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
 			ctx := context.Background()
 
-			isReadOnly, err := pgModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
+			isReadOnly, privileges, err := pgModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
 			assert.NoError(t, err)
 			assert.False(t, isReadOnly, "Admin user should not be read-only")
+			assert.NotEmpty(t, privileges, "Admin user should have privileges")
 		})
 	}
 }
 
+func Test_IsUserReadOnly_ReadOnlyUser_ReturnsTrue(t *testing.T) {
+	env := config.GetEnv()
+	container := connectToPostgresContainer(t, env.TestPostgres16Port)
+	defer container.DB.Close()
+
+	_, err := container.DB.Exec(`
+		DROP TABLE IF EXISTS readonly_check_test CASCADE;
+		CREATE TABLE readonly_check_test (
+			id SERIAL PRIMARY KEY,
+			data TEXT NOT NULL
+		);
+		INSERT INTO readonly_check_test (data) VALUES ('test1');
+	`)
+	assert.NoError(t, err)
+
+	pgModel := createPostgresModel(container)
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+	ctx := context.Background()
+
+	username, password, err := pgModel.CreateReadOnlyUser(ctx, logger, nil, uuid.New())
+	assert.NoError(t, err)
+
+	readOnlyModel := &PostgresqlDatabase{
+		Version:  pgModel.Version,
+		Host:     pgModel.Host,
+		Port:     pgModel.Port,
+		Username: username,
+		Password: password,
+		Database: pgModel.Database,
+		IsHttps:  false,
+		CpuCount: 1,
+	}
+
+	isReadOnly, privileges, err := readOnlyModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
+	assert.NoError(t, err)
+	assert.True(t, isReadOnly, "Read-only user should be read-only")
+	assert.Empty(t, privileges, "Read-only user should have no write privileges")
+
+	_, err = container.DB.Exec(fmt.Sprintf(`DROP OWNED BY "%s" CASCADE`, username))
+	if err != nil {
+		t.Logf("Warning: Failed to drop owned objects: %v", err)
+	}
+	_, err = container.DB.Exec(fmt.Sprintf(`DROP USER IF EXISTS "%s"`, username))
+	assert.NoError(t, err)
+}
+
 func Test_CreateReadOnlyUser_UserCanReadButNotWrite(t *testing.T) {
 	env := config.GetEnv()
 	cases := []struct {
@@ -105,9 +377,15 @@ func Test_CreateReadOnlyUser_UserCanReadButNotWrite(t *testing.T) {
 				IsHttps:  false,
 			}
 
-			isReadOnly, err := readOnlyModel.IsUserReadOnly(ctx, logger, nil, uuid.New())
+			isReadOnly, privileges, err := readOnlyModel.IsUserReadOnly(
+				ctx,
+				logger,
+				nil,
+				uuid.New(),
+			)
 			assert.NoError(t, err)
 			assert.True(t, isReadOnly, "Created user should be read-only")
+			assert.Empty(t, privileges, "Read-only user should have no write privileges")
 
 			readOnlyDSN := fmt.Sprintf(
 				"host=%s port=%d user=%s password=%s dbname=%s sslmode=disable",
@@ -142,7 +420,6 @@ func Test_CreateReadOnlyUser_UserCanReadButNotWrite(t *testing.T) {
 			assert.Error(t, err)
 			assert.Contains(t, err.Error(), "permission denied")
 
-			// Clean up: Drop user with CASCADE to handle default privilege dependencies
 			_, err = container.DB.Exec(fmt.Sprintf(`DROP OWNED BY "%s" CASCADE`, username))
 			if err != nil {
 				t.Logf("Warning: Failed to drop owned objects: %v", err)
@@ -186,7 +463,6 @@ func Test_ReadOnlyUser_FutureTables_HaveSelectPermission(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, "future_data", data)
 
-	// Clean up: Drop user with CASCADE to handle default privilege dependencies
 	_, err = container.DB.Exec(fmt.Sprintf(`DROP OWNED BY "%s" CASCADE`, username))
 	if err != nil {
 		t.Logf("Warning: Failed to drop owned objects: %v", err)
@@ -202,8 +478,10 @@ func Test_ReadOnlyUser_MultipleSchemas_AllAccessible(t *testing.T) {
 	defer container.DB.Close()
 
 	_, err := container.DB.Exec(`
-		CREATE SCHEMA IF NOT EXISTS schema_a;
-		CREATE SCHEMA IF NOT EXISTS schema_b;
+		DROP SCHEMA IF EXISTS schema_a CASCADE;
+		DROP SCHEMA IF EXISTS schema_b CASCADE;
+		CREATE SCHEMA schema_a;
+		CREATE SCHEMA schema_b;
 		CREATE TABLE schema_a.table_a (id INT, data TEXT);
 		CREATE TABLE schema_b.table_b (id INT, data TEXT);
 		INSERT INTO schema_a.table_a VALUES (1, 'data_a');
@@ -234,7 +512,6 @@ func Test_ReadOnlyUser_MultipleSchemas_AllAccessible(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, "data_b", dataB)
 
-	// Clean up: Drop user with CASCADE to handle default privilege dependencies
 	_, err = container.DB.Exec(fmt.Sprintf(`DROP OWNED BY "%s" CASCADE`, username))
 	if err != nil {
 		t.Logf("Warning: Failed to drop owned objects: %v", err)
@@ -341,7 +618,7 @@ func Test_CreateReadOnlyUser_Supabase_UserCanReadButNotWrite(t *testing.T) {
 	)
 
 	adminDB, err := sqlx.Connect("postgres", dsn)
-	assert.NoError(t, err)
+	require.NoError(t, err)
 	defer adminDB.Close()
 
 	tableName := fmt.Sprintf(
@@ -428,6 +705,233 @@ func Test_CreateReadOnlyUser_Supabase_UserCanReadButNotWrite(t *testing.T) {
 	assert.Contains(t, err.Error(), "permission denied")
 }
 
+func Test_Validate_WhenLocalhostAndDatabasus_ReturnsError(t *testing.T) {
+	testCases := []struct {
+		name     string
+		host     string
+		username string
+		database string
+	}{
+		{
+			name:     "localhost with databasus db",
+			host:     "localhost",
+			username: "postgres",
+			database: "databasus",
+		},
+		{
+			name:     "127.0.0.1 with databasus db",
+			host:     "127.0.0.1",
+			username: "postgres",
+			database: "databasus",
+		},
+		{
+			name:     "172.17.0.1 with databasus db",
+			host:     "172.17.0.1",
+			username: "postgres",
+			database: "databasus",
+		},
+		{
+			name:     "host.docker.internal with databasus db",
+			host:     "host.docker.internal",
+			username: "postgres",
+			database: "databasus",
+		},
+		{
+			name:     "LOCALHOST (uppercase) with DATABASUS db",
+			host:     "LOCALHOST",
+			username: "POSTGRES",
+			database: "DATABASUS",
+		},
+		{
+			name:     "LocalHost (mixed case) with DataBasus db",
+			host:     "LocalHost",
+			username: "anyuser",
+			database: "DataBasus",
+		},
+		{
+			name:     "localhost with databasus and any username",
+			host:     "localhost",
+			username: "myuser",
+			database: "databasus",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			pgModel := &PostgresqlDatabase{
+				Host:     tc.host,
+				Port:     5437,
+				Username: tc.username,
+				Password: "somepassword",
+				Database: &tc.database,
+				CpuCount: 1,
+			}
+
+			err := pgModel.Validate()
+			assert.Error(t, err)
+			assert.Contains(t, err.Error(), "backing up Databasus internal database is not allowed")
+			assert.Contains(t, err.Error(), "https://databasus.com/faq#backup-databasus")
+		})
+	}
+}
+
+func Test_Validate_WhenNotLocalhostOrNotDatabasus_ValidatesSuccessfully(t *testing.T) {
+	testCases := []struct {
+		name     string
+		host     string
+		username string
+		database string
+	}{
+		{
+			name:     "different host (remote server) with databasus db",
+			host:     "192.168.1.100",
+			username: "postgres",
+			database: "databasus",
+		},
+		{
+			name:     "different database name on localhost",
+			host:     "localhost",
+			username: "postgres",
+			database: "myapp",
+		},
+		{
+			name:     "all different",
+			host:     "db.example.com",
+			username: "appuser",
+			database: "production",
+		},
+		{
+			name:     "localhost with postgres database",
+			host:     "localhost",
+			username: "postgres",
+			database: "postgres",
+		},
+		{
+			name:     "remote host with databasus db name (allowed)",
+			host:     "db.example.com",
+			username: "postgres",
+			database: "databasus",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			pgModel := &PostgresqlDatabase{
+				Host:     tc.host,
+				Port:     5432,
+				Username: tc.username,
+				Password: "somepassword",
+				Database: &tc.database,
+				CpuCount: 1,
+			}
+
+			err := pgModel.Validate()
+			assert.NoError(t, err)
+		})
+	}
+}
+
+func Test_Validate_WhenDatabaseIsNil_ValidatesSuccessfully(t *testing.T) {
+	pgModel := &PostgresqlDatabase{
+		Host:     "localhost",
+		Port:     5437,
+		Username: "postgres",
+		Password: "somepassword",
+		Database: nil,
+		CpuCount: 1,
+	}
+
+	err := pgModel.Validate()
+	assert.NoError(t, err)
+}
+
+func Test_Validate_WhenDatabaseIsEmpty_ValidatesSuccessfully(t *testing.T) {
+	emptyDb := ""
+	pgModel := &PostgresqlDatabase{
+		Host:     "localhost",
+		Port:     5437,
+		Username: "postgres",
+		Password: "somepassword",
+		Database: &emptyDb,
+		CpuCount: 1,
+	}
+
+	err := pgModel.Validate()
+	assert.NoError(t, err)
+}
+
+func Test_Validate_WhenRequiredFieldsMissing_ReturnsError(t *testing.T) {
+	testCases := []struct {
+		name          string
+		model         *PostgresqlDatabase
+		expectedError string
+	}{
+		{
+			name: "missing host",
+			model: &PostgresqlDatabase{
+				Host:     "",
+				Port:     5432,
+				Username: "user",
+				Password: "pass",
+				CpuCount: 1,
+			},
+			expectedError: "host is required",
+		},
+		{
+			name: "missing port",
+			model: &PostgresqlDatabase{
+				Host:     "localhost",
+				Port:     0,
+				Username: "user",
+				Password: "pass",
+				CpuCount: 1,
+			},
+			expectedError: "port is required",
+		},
+		{
+			name: "missing username",
+			model: &PostgresqlDatabase{
+				Host:     "localhost",
+				Port:     5432,
+				Username: "",
+				Password: "pass",
+				CpuCount: 1,
+			},
+			expectedError: "username is required",
+		},
+		{
+			name: "missing password",
+			model: &PostgresqlDatabase{
+				Host:     "localhost",
+				Port:     5432,
+				Username: "user",
+				Password: "",
+				CpuCount: 1,
+			},
+			expectedError: "password is required",
+		},
+		{
+			name: "invalid cpu count",
+			model: &PostgresqlDatabase{
+				Host:     "localhost",
+				Port:     5432,
+				Username: "user",
+				Password: "pass",
+				CpuCount: 0,
+			},
+			expectedError: "cpu count must be greater than 0",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			err := tc.model.Validate()
+			assert.Error(t, err)
+			assert.Contains(t, err.Error(), tc.expectedError)
+		})
+	}
+}
+
 type PostgresContainer struct {
 	Host     string
 	Port     int
@@ -483,6 +987,7 @@ func createPostgresModel(container *PostgresContainer) *PostgresqlDatabase {
 		Password: container.Password,
 		Database: &container.Database,
 		IsHttps:  false,
+		CpuCount: 1,
 	}
 }
 

backend/internal/features/databases/di.go

@@ -39,4 +39,5 @@ func GetDatabaseController() *DatabaseController {
 
 func SetupDependencies() {
 	workspaces_services.GetWorkspaceService().AddWorkspaceDeletionListener(databaseService)
+	notifiers.GetNotifierService().SetNotifierDatabaseCounter(databaseService)
 }

backend/internal/features/databases/dto.go

@@ -6,5 +6,6 @@ type CreateReadOnlyUserResponse struct {
 }
 
 type IsReadOnlyResponse struct {
-	IsReadOnly bool `json:"isReadOnly"`
+	IsReadOnly bool     `json:"isReadOnly"`
+	Privileges []string `json:"privileges"`
 }

backend/internal/features/databases/model.go

@@ -104,21 +104,21 @@ func (d *Database) EncryptSensitiveFields(encryptor encryption.FieldEncryptor) e
 	return nil
 }
 
-func (d *Database) PopulateVersionIfEmpty(
+func (d *Database) PopulateDbData(
 	logger *slog.Logger,
 	encryptor encryption.FieldEncryptor,
 ) error {
 	if d.Postgresql != nil {
-		return d.Postgresql.PopulateVersionIfEmpty(logger, encryptor, d.ID)
+		return d.Postgresql.PopulateDbData(logger, encryptor, d.ID)
 	}
 	if d.Mysql != nil {
-		return d.Mysql.PopulateVersionIfEmpty(logger, encryptor, d.ID)
+		return d.Mysql.PopulateDbData(logger, encryptor, d.ID)
 	}
 	if d.Mariadb != nil {
-		return d.Mariadb.PopulateVersionIfEmpty(logger, encryptor, d.ID)
+		return d.Mariadb.PopulateDbData(logger, encryptor, d.ID)
 	}
 	if d.Mongodb != nil {
-		return d.Mongodb.PopulateVersionIfEmpty(logger, encryptor, d.ID)
+		return d.Mongodb.PopulateDbData(logger, encryptor, d.ID)
 	}
 	return nil
 }

backend/internal/features/databases/repository.go

@@ -243,3 +243,19 @@ func (r *DatabaseRepository) GetAllDatabases() ([]*Database, error) {
 
 	return databases, nil
 }
+
+func (r *DatabaseRepository) GetDatabasesIDsByNotifierID(
+	notifierID uuid.UUID,
+) ([]uuid.UUID, error) {
+	var databasesIDs []uuid.UUID
+
+	if err := storage.
+		GetDb().
+		Table("database_notifiers").
+		Where("notifier_id = ?", notifierID).
+		Pluck("database_id", &databasesIDs).Error; err != nil {
+		return nil, err
+	}
+
+	return databasesIDs, nil
+}