unsubscribe too #40
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# See also: | |
# https://docs.docker.com/build/ci/github-actions/multi-platform/ | |
# https://docs.github.com/en/actions/publishing-packages/publishing-docker-images | |
name: Publish Docker image | |
on: | |
push: | |
branches: | |
- master | |
tags: | |
env: | |
REGISTRY: ghcr.io | |
IMAGE_NAME: ${{ github.repository }} | |
concurrency: | |
group: ${{ github.workflow }}-${{ github.ref }} | |
cancel-in-progress: true | |
jobs: | |
build: | |
runs-on: ubuntu-latest | |
permissions: | |
contents: read | |
packages: write | |
id-token: write | |
attestations: write | |
strategy: | |
fail-fast: true | |
matrix: | |
platform: | |
- linux/amd64 | |
- linux/arm/v6 | |
- linux/arm/v7 | |
- linux/arm64 | |
steps: | |
- name: Prepare | |
run: | | |
platform=${{ matrix.platform }} | |
echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV | |
- name: Checkout repository | |
uses: actions/checkout@v4 | |
- name: Extract metadata (tags, labels) for Docker | |
id: meta | |
uses: docker/metadata-action@v5 | |
with: | |
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
- name: Log in to the Container registry | |
uses: docker/login-action@v3 | |
with: | |
registry: ${{ env.REGISTRY }} | |
username: ${{ github.actor }} | |
password: ${{ secrets.GITHUB_TOKEN }} | |
- uses: docker/setup-qemu-action@v3 | |
- uses: docker/setup-buildx-action@v3 | |
- name: Build and push by digest | |
id: build | |
uses: docker/build-push-action@v5 | |
with: | |
context: . | |
cache-from: type=gha | |
cache-to: type=gha,mode=max | |
platforms: ${{ matrix.platform }} | |
labels: ${{ steps.meta.outputs.labels }} | |
outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true | |
- name: Generate artifact attestation | |
uses: actions/attest-build-provenance@v1 | |
with: | |
subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}} | |
subject-digest: ${{ steps.build.outputs.digest }} | |
push-to-registry: true | |
- name: Export digest | |
run: | | |
mkdir -p /tmp/digests | |
digest="${{ steps.build.outputs.digest }}" | |
touch "/tmp/digests/${digest#sha256:}" | |
- name: Upload digest | |
uses: actions/upload-artifact@v4 | |
with: | |
name: digests-${{ env.PLATFORM_PAIR }} | |
path: /tmp/digests/* | |
if-no-files-found: error | |
retention-days: 1 | |
publish: | |
needs: | |
- build | |
runs-on: ubuntu-latest | |
# Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job. | |
permissions: | |
contents: read | |
packages: write | |
id-token: write | |
attestations: write | |
steps: | |
- name: Download digests | |
uses: actions/download-artifact@v4 | |
with: | |
path: /tmp/digests | |
pattern: digests-* | |
merge-multiple: true | |
- name: Set up Docker Buildx | |
uses: docker/setup-buildx-action@v3 | |
- name: Extract metadata (tags, labels) for Docker | |
id: meta | |
uses: docker/metadata-action@v5 | |
with: | |
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
tags: | | |
type=raw,value=latest,enable={{is_default_branch}} | |
type=semver,pattern={{version}} | |
type=semver,pattern={{major}}.{{minor}} | |
type=semver,pattern={{major}} | |
type=ref,event=tag | |
type=ref,event=branch | |
- name: Log in to the Container registry | |
uses: docker/login-action@v3 | |
with: | |
registry: ${{ env.REGISTRY }} | |
username: ${{ github.actor }} | |
password: ${{ secrets.GITHUB_TOKEN }} | |
- name: Create manifest list and push | |
id: push | |
working-directory: /tmp/digests | |
run: | | |
docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \ | |
$(printf '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *) | |
- name: Inspect image | |
id: inspect | |
run: | | |
docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }} | |
IMAGE_DIGEST=$(docker buildx imagetools inspect --format "{{json .Manifest}}" ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }} | jq -r '.digest') | |
echo "IMAGE_DIGEST=$IMAGE_DIGEST" >> $GITHUB_OUTPUT | |
- name: Generate artifact attestation | |
uses: actions/attest-build-provenance@v1 | |
with: | |
subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}} | |
subject-digest: ${{ steps.inspect.outputs.IMAGE_DIGEST }} | |
push-to-registry: true |