bierkasten-casino/.github/workflows/docker-build.yml

# path: .github/workflows/docker-build.yml
name: Build and Push Docker Images

on:
  push:
    branches:
      - main
      - master
  workflow_dispatch:

env:
  REGISTRY: docker.io

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up QEMU (for multi-arch builds)
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set image names
        id: vars
        run: |
          echo "backend_image=${{ secrets.DOCKERHUB_USERNAME }}/biercasino-backend" >> $GITHUB_OUTPUT
          echo "frontend_image=${{ secrets.DOCKERHUB_USERNAME }}/biercasino-frontend" >> $GITHUB_OUTPUT
          echo "sha=${GITHUB_SHA}" >> $GITHUB_OUTPUT

      - name: Build and push backend image
        uses: docker/build-push-action@v6
        with:
          context: ./backend
          file: ./backend/Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            ${{ steps.vars.outputs.backend_image }}:latest
            ${{ steps.vars.outputs.backend_image }}:${{ steps.vars.outputs.sha }}

      - name: Build and push frontend image
        uses: docker/build-push-action@v6
        with:
          context: ./frontend
          file: ./frontend/Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            ${{ steps.vars.outputs.frontend_image }}:latest
            ${{ steps.vars.outputs.frontend_image }}:${{ steps.vars.outputs.sha }}