Add and improve rules (#232) #671
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| # This workflow builds multiplatform Nosey Parker Docker images for both the Debian and | |
| # Alpine varieties. | |
| # | |
| # For each variety, it uses a native-hardware runner to build the individual | |
| # Docker images, and then merges them into a multiplatform image. | |
| # | |
| # This approach is taken instead of using QEMU, since a QEMU build of Nosey | |
| # Parker takes several hours. Using native runners instead takes a few minutes. | |
| # | |
| # This was adapted from the Docker documentation site: | |
| # https://docs.docker.com/build/ci/github-actions/multi-platform/#distribute-build-across-multiple-runners | |
| # | |
| name: Docker | |
| on: | |
| push: | |
| branches: [ "main" ] | |
| # Run when release tags are created | |
| tags: [ "v*.*.*" ] | |
| # Do not run on pull requests; the Docker registry permissions are not set up | |
| # to work except for with the canonical `noseyparker` repo. Running from pull | |
| # requests from forks will fail. | |
| # | |
| # pull_request: | |
| # branches: [ "main" ] | |
| jobs: | |
| # build single-platform docker images on native runners | |
| build: | |
| strategy: | |
| matrix: | |
| include: | |
| - base: debian | |
| platform: linux/amd64 | |
| platform-pair: linux-amd64 | |
| dockerfile: Dockerfile | |
| image: ghcr.io/${{ github.repository }} | |
| runs-on: ubuntu-22.04 | |
| - base: debian | |
| platform: linux/arm64 | |
| platform-pair: linux-arm64 | |
| dockerfile: Dockerfile | |
| image: ghcr.io/${{ github.repository }} | |
| runs-on: ubuntu-22.04-arm64-8-core | |
| - base: alpine | |
| platform: linux/amd64 | |
| platform-pair: linux-amd64 | |
| dockerfile: Dockerfile.alpine | |
| image: ghcr.io/${{ github.repository }}-alpine | |
| runs-on: ubuntu-22.04 | |
| - base: alpine | |
| platform: linux/arm64 | |
| platform-pair: linux-arm64 | |
| dockerfile: Dockerfile.alpine | |
| image: ghcr.io/${{ github.repository }}-alpine | |
| runs-on: ubuntu-22.04-arm64-8-core | |
| name: Docker (${{ matrix.platform }} ${{ matrix.base }}) | |
| runs-on: ${{ matrix.runs-on }} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| persist-credentials: false | |
| - uses: docker/setup-buildx-action@v3 | |
| - name: Authenticate with Docker registry | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Collect Docker metadata | |
| id: metadata | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ matrix.image }} | |
| - name: Build and push by digest | |
| uses: docker/build-push-action@v6 | |
| id: build | |
| with: | |
| context: . | |
| file: ${{ matrix.dockerfile }} | |
| platforms: ${{ matrix.platform }} | |
| # don't specify 'tags' here (error "get can't push tagged ref by digest") | |
| labels: ${{ steps.metadata.outputs.labels }} | |
| outputs: type=image,name=${{ matrix.image }},push-by-digest=true,name-canonical=true,push=true | |
| - name: Inspect Docker image | |
| run: | | |
| docker buildx imagetools inspect "${{ matrix.image }}@${{ steps.build.outputs.digest }}" | |
| - name: Test Docker image | |
| run: docker run --rm "${{ matrix.image }}@${{ steps.build.outputs.digest }}" --version | |
| - name: Export digest | |
| run: | | |
| mkdir -p /tmp/digests | |
| digest="${{ steps.build.outputs.digest }}" | |
| touch "/tmp/digests/${digest#sha256:}" | |
| - name: Upload digest | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: digests-${{ matrix.base }}-${{ matrix.platform-pair }} | |
| path: /tmp/digests/* | |
| if-no-files-found: error | |
| retention-days: 1 | |
| # merge single-platform images into multiplatform images | |
| merge: | |
| strategy: | |
| matrix: | |
| include: | |
| - base: debian | |
| image: ghcr.io/${{ github.repository }} | |
| - base: alpine | |
| image: ghcr.io/${{ github.repository }}-alpine | |
| runs-on: ubuntu-latest | |
| needs: | |
| - build | |
| name: Docker (${{ matrix.base }}) | |
| steps: | |
| - name: Download digests | |
| uses: actions/download-artifact@v4 | |
| with: | |
| path: /tmp/digests | |
| pattern: digests-${{ matrix.base }}-* | |
| merge-multiple: true | |
| - uses: docker/setup-buildx-action@v3 | |
| - name: Collect Docker metadata | |
| id: metadata | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ matrix.image }} | |
| - name: Authenticate with Docker registry | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Create and push merged image | |
| working-directory: /tmp/digests | |
| run: | | |
| docker buildx imagetools create \ | |
| $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \ | |
| $(printf '${{ matrix.image }}@sha256:%s ' *) | |
| - name: Inspect Docker image | |
| run: | | |
| docker buildx imagetools inspect "${{ matrix.image }}:${{ steps.metadata.outputs.version }}" |