dalec/.github/workflows/frontend-image.yml at main · project-dalec/dalec · GitHub

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name: Publish frontend image to GHCR

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

on:
  workflow_call:
    inputs:
      tag:
        type: string
        required: true
  workflow_dispatch:
    inputs:
      tag:
        description: 'Tag to publish'
        required: true
        default: 'type=raw,value=latest'

permissions:
  contents: read

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write  # Required for cosign OIDC signing
      attestations: write  # Required for GitHub attestations
      artifact-metadata: write # Required for certain parts of GitHub attestations (actions/attest complains if not set)
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@9ca718d3bf646d6534007c269a635b3e54cadf99 # v2.19.2
        with:
          egress-policy: audit
          allowed-endpoints: >
            api.github.com:443
            fulcio.sigstore.dev:443
            ghcr.io:443
            github.com:443
            *.githubusercontent.com:443
            proxy.golang.org:443
            rekor.sigstore.dev:443
            storage.googleapis.com:443
            tuf-repo-cdn.sigstore.dev:443

      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        name: Checkout

      - name: Install Cosign
        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2

      - uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
        name: Login to GHCR
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0

      - name: Docker metadata
        id: meta
        uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v6.0.0
        with:
          images: ghcr.io/${{ github.repository }}/frontend
          tags: ${{ inputs.tag }}

      - name: Build and push
        id: build-and-push
        uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f # v7.1.0
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          platforms: linux/amd64,linux/arm64
          target: frontend
          sbom: true
          provenance: true
          cache-from: type=gha,scope=${{ github.workflow }}
          cache-to: type=gha,scope=${{ github.workflow }},mode=max

      - name: Sign the images with GitHub OIDC Token
        env:
          DIGEST: ${{ steps.build-and-push.outputs.digest }}
          TAGS: ${{ steps.meta.outputs.tags }}
        run: |
          images=""
          for tag in ${TAGS}; do
            images+="${tag}@${DIGEST} "
          done
          cosign sign --yes ${images}

      - name: Verify image signature
        env:
          DIGEST: ${{ steps.build-and-push.outputs.digest }}
        run: |
          cosign verify ghcr.io/${{ github.repository }}/frontend@${DIGEST} \
            --certificate-oidc-issuer https://token.actions.githubusercontent.com \
            --certificate-identity https://github.com/${{ github.repository }}/.github/workflows/frontend-image.yml@${{ github.ref }}

      - name: Attest build provenance
        uses: actions/attest-build-provenance@a2bbfa25375fe432b6a289bc6b6cd05ecd0c4c32 # v2.0.0
        with:
          subject-name: ghcr.io/${{ github.repository }}/frontend
          subject-digest: ${{ steps.build-and-push.outputs.digest }}
          push-to-registry: true