Optimized code #5
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| name: Docker Build and Push | |
| on: | |
| push: | |
| branches: ["main"] | |
| # Trigger on version tags | |
| tags: | |
| - "v*.*.*" | |
| pull_request: | |
| branches: ["main"] | |
| # Allow manual trigger from GitHub Actions tab | |
| workflow_dispatch: | |
| env: | |
| # Use docker.io for Docker Hub if empty | |
| REGISTRY: docker.io | |
| # github.repository as <account>/<repo> | |
| IMAGE_NAME: ${{ secrets.DOCKERHUB_USERNAME }}/nextjs-template | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| packages: write | |
| # This is used to complete the identity challenge | |
| # with sigstore/fulcio when running outside of PRs. | |
| id-token: write | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| # Setup Docker buildx | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| # Login to Docker Hub | |
| - name: Log into registry ${{ env.REGISTRY }} | |
| uses: docker/login-action@v3 | |
| with: | |
| username: ${{ secrets.DOCKERHUB_USERNAME }} | |
| password: ${{ secrets.DOCKERHUB_TOKEN }} | |
| # Generate Docker metadata and tags | |
| - name: Extract Docker metadata | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| tags: | | |
| # Set latest tag for main branch | |
| type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }} | |
| # Set version tag from git tag (v1.2.3 -> 1.2.3) | |
| type=semver,pattern={{version}},value=${{ github.ref_name }},enable=${{ startsWith(github.ref, 'refs/tags/v') }} | |
| # Build and push Docker image | |
| - name: Build and push Docker image | |
| id: build-and-push | |
| uses: docker/build-push-action@v5 | |
| with: | |
| context: . | |
| push: ${{ github.event_name != 'pull_request' }} | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| cache-from: type=gha | |
| cache-to: type=gha,mode=max |