docker-publish.yml

name: dredd docker image build and push

on:
  push:
    branches: [ main ]
    # Publish semver tags as releases.
    tags: [ '*.*.*' ]
    paths:
      - '.github/workflows/docker-publish.yml'
      - 'Dockerfile'
      - 'package.json'
      - 'package-lock.json'

  pull_request:
    branches: [ main ]

env:
  # Use docker.io for Docker Hub if empty
  # REGISTRY: ghcr.io
  # REGISTRY: docker.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}


jobs:
  build:

    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install ORAS
        id: install_oras
        uses: oras-project/setup-oras@main

      - name: Install Cosign
        id: install_cosign
        uses: sigstore/cosign-installer@v3.7.0

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: all

      # Workaround: https://github.com/docker/build-push-action/issues/461
      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v3

      # Login against a Docker Hub registry except on PR
      # https://github.com/docker/login-action
      - name: Login to Docker Hub
        id: docker_hub_login
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: docker.io
          username: ${{ github.actor }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}

      # Login against a Docker registry except on PR
      # https://github.com/docker/login-action
      - name: Login to GitHub Container Registry
        id: ghcr_login
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Login to GitHub Container Registry (ORAS)
        id: oras_ghcr_login
        if: github.event_name != 'pull_request'
        run: |
          echo ${{ secrets.GITHUB_TOKEN }} | oras login ghcr.io --username ${{ github.actor }} --password-stdin

      - name: Publish Artifact Hub Manifest
        id: publish_ah_manifest
        if: github.event_name != 'pull_request'
        run: |
          oras push \
            ghcr.io/${{ env.IMAGE_NAME }}:artifacthub.io \
            --config /dev/null:application/vnd.cncf.artifacthub.config.v1+yaml \
            artifacthub-repo.yml:application/vnd.cncf.artifacthub.repository-metadata.layer.v1.yaml

      # Extract metadata (tags, labels) for Docker
      # https://github.com/docker/metadata-action
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            docker.io/${{ env.IMAGE_NAME }}
            ghcr.io/${{ env.IMAGE_NAME }}
          flavor: |
            latest=true
          tags: |
            type=sha
            type=ref,event=tag
          labels: |
            io.artifacthub.package.readme-url=https://raw.githubusercontent.com/${{ env.IMAGE_NAME }}/main/README.md
            io.artifacthub.package.maintainers=[{"name":"burakince","email":"burak.ince@linux.org.tr"}]
            io.artifacthub.package.logo-url=https://raw.githubusercontent.com/apiaryio/dredd/master/docs/_static/images/dredd-logo.png
            io.artifacthub.package.keywords=testing,api,http,unit-testing,validation,integration-testing,swagger,test-runner,openapi,tests,test-framework,api-blueprint,cli-app,dredd,openapi-validation,testing-framework,openapi3,sjs-team,openapi2
            io.artifacthub.package.license=MIT
            io.artifacthub.package.alternative-locations=docker.io/${{ env.IMAGE_NAME }}

      # Build and push Docker image with Buildx (don't push on PR)
      # https://github.com/docker/build-push-action
      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@v6.10.0
        with:
          context: .
          platforms: linux/arm/v7,linux/arm64/v8,linux/amd64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      # Sign the resulting Docker image digest except on PRs.
      # This will only write to the public Rekor transparency log when the Docker
      # repository is public to avoid leaking data.  If you would like to publish
      # transparency data even for private images, pass --force to cosign below.
      # https://github.com/sigstore/cosign
      - name: Sign the published Docker image
        if: ${{ github.event_name != 'pull_request' }}
        run: |
          echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign -y {}@${{ steps.build-and-push.outputs.digest }}