Refactor CI workflow to manage PostgreSQL service with Docker

- Remove inline PostgreSQL service configuration and replace it with a Docker run command for better control
- Implement a more robust readiness check for PostgreSQL using Docker commands
- Enhance output messages for clarity during the PostgreSQL startup process

.gitea/workflows/ci.yml

@@ -74,20 +74,6 @@ jobs:
 
   backend-lint:
     runs-on: ubuntu-latest
-    services:
-      postgres:
-        image: postgis/postgis:16-3.4
-        env:
-          POSTGRES_USER: turash
-          POSTGRES_PASSWORD: turash123
-          POSTGRES_DB: postgres
-        ports:
-          - 5432:5432
-        options: >-
-          --health-cmd "pg_isready -U turash"
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
     env:
       POSTGRES_HOST: localhost
       POSTGRES_PORT: 5432
@@ -96,6 +82,38 @@ jobs:
       POSTGRES_DB: postgres
     steps:
       - uses: actions/checkout@v4
+      - name: Start PostgreSQL with PostGIS
+        run: |
+          # Stop any existing PostgreSQL containers
+          docker stop postgres-test 2>/dev/null || true
+          docker rm postgres-test 2>/dev/null || true
+          
+          # Start PostgreSQL with PostGIS
+          docker run -d \
+            --name postgres-test \
+            -e POSTGRES_USER=turash \
+            -e POSTGRES_PASSWORD=turash123 \
+            -e POSTGRES_DB=postgres \
+            -p 5432:5432 \
+            postgis/postgis:16-3.4
+          
+          echo "PostgreSQL container started, waiting for it to be ready..."
+          # Wait for PostgreSQL to be ready
+          for i in {1..60}; do
+            if docker exec postgres-test pg_isready -U turash >/dev/null 2>&1; then
+              echo "✓ PostgreSQL is ready!"
+              # Grant CREATEDB privilege (required for pgtestdb)
+              docker exec postgres-test psql -U turash -d postgres -c "ALTER USER turash CREATEDB;" 2>/dev/null || true
+              exit 0
+            fi
+            echo "Waiting for PostgreSQL... (attempt $i/60)"
+            sleep 2
+          done
+          
+          echo "✗ PostgreSQL failed to start in time"
+          echo "Container logs:"
+          docker logs postgres-test || true
+          exit 1
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
@@ -194,33 +212,6 @@ jobs:
           CGO_ENABLED: 0
           GOPROXY: https://proxy.golang.org,direct
           GOSUMDB: sum.golang.org
-      - name: Wait for PostgreSQL to be ready
-        run: |
-          echo "Waiting for PostgreSQL to be ready..."
-          # Use bash built-in TCP check (works without external tools)
-          for i in {1..60}; do
-            # Check if port 5432 is open using bash built-in /dev/tcp
-            if timeout 1 bash -c "echo > /dev/tcp/localhost/5432" 2>/dev/null; then
-              echo "PostgreSQL port is accessible!"
-              # Give it a moment to fully initialize
-              sleep 3
-              echo "PostgreSQL is ready!"
-              exit 0
-            fi
-            # Alternative: try with cat if timeout not available
-            if bash -c "cat < /dev/null > /dev/tcp/localhost/5432" 2>/dev/null; then
-              echo "PostgreSQL port is accessible (via cat)!"
-              sleep 3
-              echo "PostgreSQL is ready!"
-              exit 0
-            fi
-            echo "Waiting for PostgreSQL... (attempt $i/60)"
-            sleep 2
-          done
-          echo "⚠ PostgreSQL did not become ready in time"
-          echo "This may be expected if services are not fully supported in this Gitea Actions version"
-          echo "Tests will continue but may fail if PostgreSQL is required"
-        continue-on-error: true
       - name: Test
         working-directory: bugulma/backend
         run: |