Create and publish a Docker image #4
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| name: Create and publish a Docker image | |
| # Configures this workflow to run every time a change is pushed to the branch called `release`. | |
| on: | |
| push: | |
| branches: ['main'] | |
| tags: | |
| - v* | |
| workflow_dispatch: | |
| inputs: | |
| tag: | |
| description: "Git tag to build (e.g., v1.2.3)" | |
| required: true | |
| type: string | |
| # Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds. | |
| env: | |
| REGISTRY: ghcr.io | |
| IMAGE_NAME: ${{ github.repository }} | |
| jobs: | |
| build-and-push-image: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Log in to the Container registry | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Extract metadata (tags, labels) for Docker | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Build and push Docker image | |
| id: buildpush | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: . | |
| file: docker/Dockerfile | |
| push: true | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| platforms: linux/amd64,linux/arm64 | |
| provenance: false # Disable provenance to avoid unknown/unknown | |
| sbom: false # Disable sbom to avoid unknown/unknown | |
| # This step generates an artifact attestation for the image, which is an unforgeable statement about where and how it was built. It increases supply chain security for people who consume the image. For more information, see [Using artifact attestations to establish provenance for builds](/actions/security-guides/using-artifact-attestations-to-establish-provenance-for-builds). | |
| - name: Generate artifact attestation | |
| uses: actions/attest-build-provenance@v3 | |
| with: | |
| subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}} | |
| subject-digest: ${{ steps.buildpush.outputs.digest }} | |
| push-to-registry: true |