Build an attested image from latest release #62
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| name: Build an attested image from latest release | |
| on: | |
| workflow_run: | |
| workflows: [Build an attested release on tag push] | |
| types: | |
| - completed | |
| schedule: | |
| # every Sunday at 4am UTC | |
| - cron: "0 4 * * 0" | |
| workflow_dispatch: | |
| permissions: | |
| id-token: write | |
| attestations: write | |
| contents: write | |
| packages: write | |
| env: | |
| PRODUCT_NAME: ${{ github.event.repository.name }} | |
| PRODUCT_REGISTRY: "ghcr.io" | |
| PRODUCT_OWNER: ${{ github.repository_owner }} | |
| jobs: | |
| build-attested-image: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Check out code | |
| uses: actions/checkout@v4 | |
| - name: Set up Docker build environment | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Log in to the registry | |
| uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20 | |
| with: | |
| registry: ${{ env.PRODUCT_REGISTRY }} | |
| username: ${{ env.PRODUCT_OWNER }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - uses: robinraju/release-downloader@v1.10 | |
| id: get-latest-release | |
| with: | |
| latest: true | |
| extract: true | |
| - name: Verify attestation for latest release | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| # todo: will need to make this smarter if/when a release contains more than 1 file | |
| RELEASE_FILE=`echo ${{ fromJson(steps.get-latest-release.outputs.downloaded_files)[0] }} | awk -F'/' '{print $NF}'` | |
| gh attestation verify $RELEASE_FILE -o ${{ env.PRODUCT_OWNER }} | |
| echo "IMAGE_BUILD_DATE=$(date '+%Y%m%d')" >> $GITHUB_ENV | |
| - name: Create image and push | |
| id: create-image-and-push | |
| uses: docker/build-push-action@v5 | |
| with: | |
| context: . | |
| file: ./Dockerfile | |
| platforms: linux/amd64 | |
| push: true | |
| tags: "${{ env.PRODUCT_REGISTRY }}/${{ env.PRODUCT_OWNER }}/${{ env.PRODUCT_NAME }}:${{ steps.get-latest-release.outputs.tag_name }}-${{ env.IMAGE_BUILD_DATE }},${{ env.PRODUCT_REGISTRY }}/${{ env.PRODUCT_OWNER }}/${{ env.PRODUCT_NAME }}:${{ steps.get-latest-release.outputs.tag_name }}-latest,${{ env.PRODUCT_REGISTRY }}/${{ env.PRODUCT_OWNER }}/${{ env.PRODUCT_NAME }}:latest" | |
| - name: Create attestation for container image | |
| uses: actions/attest-build-provenance@v1 | |
| with: | |
| # "Do NOT include a tag as part of the image name -- the specific image being attested is identified by the supplied digest." | |
| subject-name: "${{ env.PRODUCT_REGISTRY }}/${{ env.PRODUCT_OWNER }}/${{ env.PRODUCT_NAME }}" | |
| subject-digest: "${{ steps.create-image-and-push.outputs.digest }}" | |
| push-to-registry: true |