FIX (postgresql): Use real binaries instead of symlinks

Dockerfile

@@ -21,7 +21,7 @@ FROM --platform=$BUILDPLATFORM golang:1.23.3 AS backend-build
 
 # Install Go public tools needed in runtime
 RUN curl -fsSL https://raw.githubusercontent.com/pressly/goose/master/install.sh | sh
-RUN go install github.com/swaggo/swag/cmd/swag@latest
+RUN go install github.com/swaggo/swag/cmd/swag@1.16.4
 
 # Set working directory
 WORKDIR /app
@@ -65,14 +65,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
        postgresql-client-16 postgresql-client-17 && \
     rm -rf /var/lib/apt/lists/*
 
-# Create symlinks for PostgreSQL client tools
-RUN for v in 13 14 15 16 17; do \
-      mkdir -p /usr/pgsql-$v/bin && \
-      for b in pg_dump psql pg_restore createdb dropdb; do \
-        ln -sf /usr/bin/$b /usr/pgsql-$v/bin/$b; \
-      done; \
-    done
-
 WORKDIR /app
 
 # Copy Goose from build stage

backend/internal/util/tools/postgresql.go

@@ -161,6 +161,6 @@ func getPostgresqlBasePath(
 			"bin",
 		)
 	} else {
-		return fmt.Sprintf("/usr/pgsql-%s/bin", string(version))
+		return fmt.Sprintf("/usr/lib/postgresql/%s/bin", string(version))
 	}
 }