GistPin/infrastructure/ci/provenance.yml at fix/backend-test-suite · ghzhost/GistPin · GitHub

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name: Container Image Provenance

on:
  push:
    branches: [main]
    paths:
      - "Backend/**"
      - "Frontend/**"
      - "infrastructure/ci/provenance.yml"

permissions:
  contents: read
  packages: write
  id-token: write

jobs:
  provenance:
    name: Generate Provenance
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install sigstore cosign
        uses: sigstore/cosign-installer@v3

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push backend image
        uses: docker/build-push-action@v5
        with:
          context: ./Backend
          push: true
          tags: ghcr.io/pinspace-org/gistpin-backend:${{ github.sha }}

      - name: Generate SLSA provenance
        uses: slsa-framework/slsa-github-generator@v1
        with:
          artifact_path: Backend
          artifact_digest: ${{ steps.build.outputs.digest }}

      - name: Sign image with cosign
        run: |
          cosign sign --yes ghcr.io/pinspace-org/gistpin-backend:${{ github.sha }}

      - name: Verify provenance
        run: bash infrastructure/scripts/sign-with-sigstore.sh verify ghcr.io/pinspace-org/gistpin-backend:${{ github.sha }}

      - name: Enforce provenance policy
        run: bash infrastructure/scripts/sign-with-sigstore.sh enforce