Docker #172
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| name: Docker | |
| # Based on GitHub actions starter workflow for Docker publishing: | |
| # https://github.com/actions/starter-workflows/blob/main/ci/docker-publish.yml | |
| # This workflow uses actions that are not certified by GitHub. | |
| # They are provided by a third-party and are governed by | |
| # separate terms of service, privacy policy, and support | |
| # documentation. | |
| on: | |
| schedule: | |
| # every day at 16:15 UTC | |
| - cron: '15 16 * * *' | |
| push: | |
| branches: | |
| - 'main' | |
| # Publish calver or semver tags as releases. | |
| tags: | |
| - '[0-9]+.[0-9]+.[0-9]+' | |
| - '[0-9]+.[0-9]+.[0-9]+-rc[0-9]+' | |
| pull_request: | |
| branches: | |
| - 'main' | |
| env: | |
| # Use docker.io for Docker Hub if empty | |
| REGISTRY: ghcr.io | |
| # github.repository as <account>/<repo> | |
| IMAGE_NAME: ${{ github.repository }} | |
| 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 | |
| # Allow to build longer than 6 hours, but this is only possible | |
| # with self-hosted runners. 1440 min = 24 h. For details, see: | |
| # https://github.com/orgs/community/discussions/26679 | |
| # https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions | |
| # https://docs.github.com/en/actions/administering-github-actions/usage-limits-billing-and-administration | |
| timeout-minutes: 1440 | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| # Free Disk Space on Ubuntu runners, clear up to 35 GB disk space | |
| # https://github.com/jlumbroso/free-disk-space | |
| - name: Free disk space | |
| uses: jlumbroso/free-disk-space@v1.3.1 | |
| with: | |
| # Tool cache: Saved 8.3GiB | |
| tool-cache: true | |
| # Android library: Saved 7.5GiB | |
| android: true | |
| # .NET runtime: Saved 1.6GiB | |
| dotnet: true | |
| # Haskell runtime: Saved 5.4GiB | |
| haskell: true | |
| # Large misc. packages: Saved 4.8GiB | |
| large-packages: true | |
| # Docker images: Saved 3.2GiB | |
| docker-images: true | |
| # Swap storage: Saved 4.0GiB | |
| swap-storage: true | |
| # Install the cosign tool except on PR | |
| # https://github.com/sigstore/cosign-installer | |
| - name: Install cosign | |
| if: github.event_name != 'pull_request' | |
| uses: sigstore/cosign-installer@v3 | |
| with: | |
| cosign-release: 'v2.4.0' | |
| - name: Check cosign installation | |
| if: github.event_name != 'pull_request' | |
| run: cosign version | |
| # Install QEMU static binaries for multi-arch image build | |
| # https://github.com/docker/setup-qemu-action | |
| # https://docs.docker.com/build/ci/github-actions/multi-platform | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| # Set up BuildKit Docker container builder to be able to build | |
| # multi-platform images and export cache | |
| # https://github.com/docker/setup-buildx-action | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| # Login against a Docker registry except on PR | |
| # https://github.com/docker/login-action | |
| - name: Log into registry ${{ env.REGISTRY }} | |
| if: github.event_name != 'pull_request' | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| # Extract metadata (tags, labels) for Docker | |
| # https://github.com/docker/metadata-action | |
| - name: Extract Docker metadata | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| # Build and push Docker image with Buildx (don't push on PR) | |
| # https://github.com/docker/build-push-action | |
| # https://docs.docker.com/build/ci/github-actions/cache | |
| - name: Build and push Docker image | |
| id: build-and-push | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: . | |
| # HOTFIX: reduce build time to beeing under standard limit of | |
| # 6 hours runtime ("timeout-minutes") on GitHub hosted runners. | |
| platforms: linux/amd64 | |
| 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 | |
| # Sign the resulting Docker image digest except on PRs. | |
| # This will only write to the public Rekor transparency log when the Docker | |
| # repository is public to avoid leaking data. If you would like to publish | |
| # transparency data even for private images, pass --force to cosign below. | |
| # https://github.com/sigstore/cosign | |
| - name: Sign the published Docker image | |
| if: ${{ github.event_name != 'pull_request' }} | |
| env: | |
| TAGS: ${{ steps.meta.outputs.tags }} | |
| DIGEST: ${{ steps.build-and-push.outputs.digest }} | |
| # This step uses the identity token to provision an ephemeral certificate | |
| # against the sigstore community Fulcio instance. | |
| run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST} |