🤖 ci: optimize CI/CD with Docker cache and remove Buildx

.gitea/workflows/ci-cd.yaml

@@ -143,9 +143,6 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
       - name: Login to Gitea Container Registry
         uses: docker/login-action@v3
         with:
@@ -162,72 +159,40 @@ jobs:
           if docker pull "$IMAGE_NAME" >/dev/null 2>&1; then
             echo "✅ Using Docker build cache"
             echo "CACHE_AVAILABLE=true" >> $GITHUB_ENV
+            echo "CACHE_IMAGE=$IMAGE_NAME" >> $GITHUB_ENV
           else
             echo "⚠️  Building without cache (first run or new dependencies)"
             echo "CACHE_AVAILABLE=false" >> $GITHUB_ENV
           fi
 
-      - name: Set up Go
-        uses: actions/setup-go@v4
-        with:
-          go-version: '1.26.1'
-          cache: true
-
-      - name: Install dependencies
-        run: go mod tidy
-
-      # SINGLE swag installation - reused for all steps
-      - name: Install swag (once)
-        run: go install github.com/swaggo/swag/cmd/swag@latest
-
-      - name: Version bump (main branch only)
-        if: github.ref == 'refs/heads/main'
-        run: |
-          # Analyze last commit message
-          LAST_COMMIT=$(git log -1 --pretty=%B | head -1)
-          
-          # Automatic version bump based on commit type
-          if echo "$LAST_COMMIT" | grep -q "^✨ feat:"; then
-            echo "🎯 Feature commit detected - bumping MINOR version"
-            ./scripts/version-bump.sh minor
-          elif echo "$LAST_COMMIT" | grep -q "^🐛 fix:"; then
-            echo "🐛 Fix commit detected - bumping PATCH version"
-            ./scripts/version-bump.sh patch
-          elif echo "$LAST_COMMIT" | grep -q "BREAKING CHANGE"; then
-            echo "💥 Breaking change detected - bumping MAJOR version"
-            ./scripts/version-bump.sh major
-          else
-            echo "⏭️  No automatic version bump needed"
-          fi
-
-      - name: Generate Swagger Docs
+      - name: Generate Swagger Docs using Docker cache
         run: |
           if [ "${{ env.CACHE_AVAILABLE }}" = "true" ]; then
             echo "Running in Docker cache..."
-            docker run --rm -v "$(pwd):/workspace" -w /workspace dance-lessons-coach-build-cache:latest sh -c "cd pkg/server && go generate"
+            docker run --rm -v "$(pwd):/workspace" -w /workspace ${{ env.CACHE_IMAGE }} sh -c "cd pkg/server && go generate"
           else
             echo "Running natively..."
             cd pkg/server && go generate
           fi
 
-      - name: Build all packages
+      - name: Build all packages using Docker cache
         run: |
           if [ "${{ env.CACHE_AVAILABLE }}" = "true" ]; then
             echo "Running in Docker cache..."
-            docker run --rm -v "$(pwd):/workspace" -w /workspace dance-lessons-coach-build-cache:latest sh -c "go build ./..."
+            docker run --rm -v "$(pwd):/workspace" -w /workspace ${{ env.CACHE_IMAGE }} sh -c "go build ./..."
           else
             echo "Running natively..."
             go build ./...
           fi
 
-      - name: Run tests with coverage
+      - name: Run tests with coverage using Docker cache
         run: |
           if [ "${{ env.CACHE_AVAILABLE }}" = "true" ]; then
             echo "Running in Docker cache..."
             docker run --rm \
               -v "$(pwd):/workspace" \
               -w /workspace \
-              dance-lessons-coach-build-cache:latest \
+              ${{ env.CACHE_IMAGE }} \
               sh -c "go test ./... -coverprofile=coverage.out -v && go tool cover -func=coverage.out > coverage.txt"
           else
             echo "Running natively..."
@@ -271,10 +236,6 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.PACKAGES_TOKEN }}
 
-      - name: Set up Docker Buildx
-        if: github.ref == 'refs/heads/main'
-        uses: docker/setup-buildx-action@v3
-
       - name: Build and push Docker image
         if: github.ref == 'refs/heads/main'
         run: |
@@ -283,7 +244,9 @@ jobs:
           
           TAGS="$IMAGE_VERSION latest ${{ github.sha }}"
           echo "Building Docker image with tags: $TAGS"
-          docker build -t dance-lessons-coach .
+          
+          # Use the production Dockerfile that leverages the build cache
+          docker build -t dance-lessons-coach -f Dockerfile.prod .
           
           for TAG in $TAGS; do
             IMAGE_NAME="${{ env.CI_REGISTRY }}/${{ env.GITEA_ORG }}/${{ env.GITEA_REPO }}:$TAG"