update version in deployment command #27
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| name: Build and Publish Docker Image | |
| on: | |
| push: | |
| branches: [ "main" ] # Trigger the workflow when code is pushed to the main branch | |
| pull_request: | |
| branches: [ "main" ] # Trigger the workflow for pull requests targeting the main branch | |
| env: | |
| REGISTRY: ghcr.io # Set the Docker registry to GitHub Container Registry (ghcr.io) | |
| IMAGE_NAME: ${{ github.repository }} # Use the GitHub repository name as the Docker image name | |
| jobs: | |
| build-and-publish: | |
| runs-on: ubuntu-latest # Use the latest stable Ubuntu version as the runner environment | |
| permissions: | |
| contents: read # Allows reading of repository contents | |
| packages: write # Allows publishing packages (e.g., Docker images) to GitHub Packages | |
| id-token: write # Required for future features like signing images with cosign | |
| steps: | |
| # Step 1: Check out the repository code | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 # This action checks out the repository code for use in the workflow | |
| # Step 2: Extract version information from package.json | |
| - name: Extract version from package.json | |
| id: version # Assign an ID to reference this step's outputs later if needed | |
| run: | | |
| # Extract the semantic version (e.g., 1.2.3) from the package.json file | |
| SEMVER=$(grep '"version":' package.json | cut -d '"' -f 4) | |
| # Store the extracted version as an environment variable for use in later steps | |
| echo "SEMVER=$SEMVER" >> $GITHUB_ENV | |
| # Step 3: Set up Docker Buildx | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 # Set up Docker Buildx to enable advanced Docker features | |
| # Docker Buildx allows for multi-platform builds, build caching, and more | |
| # Step 4: Log in to the Docker registry | |
| - name: Log into registry ${{ env.REGISTRY }} | |
| uses: docker/login-action@v3 # Log into the Docker registry to enable pushing images | |
| with: | |
| registry: ${{ env.REGISTRY }} # Specify the Docker registry (ghcr.io) | |
| username: ${{ github.actor }} # Use the GitHub actor (the user triggering the workflow) as the username | |
| password: ${{ secrets.GITHUB_TOKEN }} # Use the GitHub token to authenticate (securely passed as a secret) | |
| # Step 5: Extract Docker image metadata (tags, labels) | |
| - name: Extract Docker metadata | |
| id: meta # Assign an ID to reference this step's outputs (tags and labels) in the build step | |
| uses: docker/metadata-action@v5 # This action generates Docker image metadata like tags and labels | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} # Define the full image name (registry/repository) | |
| tags: | | |
| # Create various tags for the Docker image based on version information | |
| type=raw,value=latest # Tag the image as "latest" | |
| type=semver,pattern={{major}}.{{minor}}.{{patch}},value=${{ env.SEMVER }} # Full version tag (e.g., 1.2.3) | |
| type=semver,pattern={{major}}.{{minor}},value=${{ env.SEMVER }} # Major.minor tag (e.g., 1.2) | |
| type=semver,pattern={{major}},value=${{ env.SEMVER }} # Major tag (e.g., 1) | |
| # Step 6: Build and push the Docker image | |
| - name: Build and push Docker image | |
| id: build-and-push # Assign an ID to reference this step's outputs (digest) if needed later | |
| uses: docker/build-push-action@v5 # This action builds and pushes the Docker image | |
| with: | |
| context: . # Use the root of the repository as the build context (includes Dockerfile and source code) | |
| push: ${{ github.event_name != 'pull_request' }} # Push the image only if the event is not a pull request | |
| tags: ${{ steps.meta.outputs.tags }} # Apply the tags generated in the metadata step | |
| labels: ${{ steps.meta.outputs.labels }} # Apply the labels generated in the metadata step | |
| cache-from: type=gha # Use GitHub Actions cache to speed up the build process | |
| cache-to: type=gha,mode=max # Store the build cache in GitHub Actions for future use |