fix: Sign images keylessly as well #44
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name: Publish and Sign Container Images | |
env: | |
REGISTRY: ghcr.io | |
on: | |
push: | |
branches: | |
- main | |
paths: | |
- .github/workflows/build.yml | |
- "**/Dockerfile" | |
schedule: | |
- cron: "17 17 * * 0" | |
jobs: | |
build-push-image: | |
runs-on: ubuntu-24.04 | |
permissions: | |
contents: read | |
packages: write | |
id-token: write | |
strategy: | |
fail-fast: false | |
matrix: | |
include: | |
- image: spotify-distrobox | |
file: distroboxes/spotify/Dockerfile | |
- image: steam-distrobox | |
file: distroboxes/steam/Dockerfile | |
steps: | |
- name: Checkout repository | |
uses: actions/checkout@v4 | |
- name: Setup Docker buildx | |
uses: docker/setup-buildx-action@v3 | |
- name: Install cosign | |
uses: sigstore/cosign-installer@v3 | |
with: | |
cosign-release: "v2.4.1" | |
- name: Extract metadata (tags, labels) for Docker | |
id: meta | |
uses: docker/metadata-action@v5 | |
with: | |
images: | | |
${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ matrix.image }} | |
tags: | | |
latest | |
type=sha,format=long | |
type=schedule,pattern={{date 'YYYYMMDD'}} | |
- name: Log into ${{ env.REGISTRY }} | |
uses: docker/login-action@v3 | |
with: | |
registry: ${{ env.REGISTRY }} | |
username: ${{ github.repository_owner }} | |
password: ${{ github.token }} | |
- name: Build and push container image | |
id: build-push | |
uses: docker/build-push-action@v6 | |
with: | |
push: true | |
file: ${{ matrix.file }} | |
tags: ${{ steps.meta.outputs.tags }} | |
labels: ${{ steps.meta.outputs.labels }} | |
cache-from: type=gha | |
cache-to: type=gha,mode=max | |
- name: Get Secrets | |
uses: bitwarden/sm-action@v2 | |
with: | |
access_token: ${{ secrets.BWS_TOKEN }} | |
base_url: https://vault.bitwarden.eu | |
secrets: | | |
3200b4c5-5543-4f22-83b2-b24000e08512 > COSIGN_PRIVATE_KEY | |
c86c21ea-98cf-4ca9-b730-b2400146a3a5 > COSIGN_PASSWORD | |
- name: Sign the container image | |
env: | |
TAGS: ${{ steps.meta.outputs.tags }} | |
DIGEST: ${{ steps.build-push.outputs.digest }} | |
run: | | |
images="" | |
for tag in ${TAGS}; do | |
images+="${tag}@${DIGEST} " | |
done | |
cosign sign --yes ${images} | |
cosign sign --yes --key env://COSIGN_PRIVATE_KEY ${images} | |
- name: Cleanup old images | |
uses: actions/delete-package-versions@v5 | |
with: | |
package-name: ${{ matrix.image }} | |
package-type: container | |
min-versions-to-keep: 30 |