ci: build signed image #1
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| name: Build and publish signed Docker image | |
| on: | |
| workflow_dispatch: | |
| push: | |
| branches: | |
| - main | |
| jobs: | |
| multiarch-build: | |
| name: Build and publish signed image | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| - name: Load DCT delegation key | |
| env: | |
| DOCKER_CONTENT_TRUST_REPOSITORY_PASSPHRASE: ${{ secrets.DCT_KEY_PASSPHRASE }} | |
| DCT_KEY_BASE64: ${{ secrets.DCT_KEY_BASE64 }} | |
| run: | | |
| echo "$DCT_KEY_BASE64" | base64 -d > delegation.key | |
| docker trust key load delegation.key --name gha | |
| rm delegation.key | |
| - name: Get Docker tags | |
| id: docker_meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: | | |
| nginxproxy/${{ github.event.repository.name }} | |
| tags: | | |
| type=raw,value=signed | |
| labels: | | |
| org.opencontainers.image.authors=Nicolas Duchon <nicolas.duchon@gmail.com> (@buchdag) | |
| flavor: | | |
| latest=false | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Login to DockerHub | |
| uses: docker/login-action@v3 | |
| with: | |
| username: ${{ secrets.DOCKERHUB_USERNAME }} | |
| password: ${{ secrets.DOCKERHUB_TOKEN }} | |
| - name: Build and load the image | |
| id: docker_build | |
| uses: docker/build-push-action@v5 | |
| with: | |
| context: . | |
| platforms: linux/amd64 | |
| load: true | |
| sbom: true | |
| provenance: mode=max | |
| tags: ${{ steps.docker_meta.outputs.tags }} | |
| labels: ${{ steps.docker_meta.outputs.labels }} | |
| cache-from: type=gha | |
| cache-to: type=gha,mode=max | |
| - name: Sign the image | |
| env: | |
| DOCKER_CONTENT_TRUST_REPOSITORY_PASSPHRASE: ${{ secrets.DCT_KEY_PASSPHRASE }} | |
| run: | | |
| docker trust sign nginxproxy/${{ github.event.repository.name }}:signed | |
| - name: Verify the image signature | |
| run: | | |
| docker trust inspect --pretty nginxproxy/${{ github.event.repository.name }}:signed | |
| - name: Images digests | |
| run: echo ${{ steps.docker_build.outputs.digest }} |