ruby_app_release.yml

name: Release Docker Version

on:
  workflow_call:
    secrets:
      # Registry arguments.
      # Must supply set of arguments for at least 1 registry.

      # Artifact Registry arguments
      ARTIFACT_REGISTRY:
        description: 'Artifact Registry address to which to publish (leave blank to not publish)'
        required: false
      ARTIFACT_REGISTRY_JSON_KEY:
        description: 'Key for publishing to Artifact Registry'
        required: false

jobs:
  push:
    #
    # Build the Docker image artifact and deliver it.
    #
    runs-on: ubuntu-latest
    steps:
      # Checkout code needed to build docker image.
      - uses: actions/checkout@v3
      # Parse GitHub repository name for use in constructing docker image names.
      - name: Parse Repo Name
        id: parse_repo_name
        run: |
          echo "repo_name=$( echo '${{ github.repository }}' | awk -F '/' '{print $2}' )" >> $GITHUB_OUTPUT
      # Make the docker fields for Artifact Registry if we're pushing to it.
      - name: Construct Artifact Registry fields
        env:
          ARTIFACT_REGISTRY: ${{ secrets.ARTIFACT_REGISTRY }}
        if: ${{ env.ARTIFACT_REGISTRY }}
        run: |
          echo "ARTIFACT_REGISTRY_IMAGE_NAME=${{ secrets.ARTIFACT_REGISTRY }}/${{ github.repository }}" >> $GITHUB_ENV
      # Create docker image meta data. Docker tags include the Git tag itself and the sematic version parsing of that tag if possible.
      - name: Docker release meta
        id: release
        uses: docker/metadata-action@v4
        with:
          images: |
            ${{ env.ARTIFACT_REGISTRY_IMAGE_NAME }}
          flavor: |
            latest=false
          tags: |
            type=ref,event=tag
            type=semver,pattern={{version}}
      # Login to Artifact Registry if we're pushing to it.
      - name: Login to Artifact Registry
        env:
          ARTIFACT_REGISTRY_JSON_KEY: ${{ secrets.ARTIFACT_REGISTRY_JSON_KEY }}
        if: ${{ env.ARTIFACT_REGISTRY_JSON_KEY }}
        uses: docker/login-action@v2
        with:
          registry: ${{ secrets.ARTIFACT_REGISTRY }}
          username: _json_key
          password: ${{ secrets.ARTIFACT_REGISTRY_JSON_KEY }}
      # Setup Docker builder needed to build multi-architectural images.
      - name: Setup Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v2
      # Build and push the image.
      - name: Build and Push to Artifact Registry
        uses: docker/build-push-action@v3
        with:
          push: true
          context: .
          file: Dockerfile
          platforms: linux/amd64
          build-args: |
            VERSION=${{ steps.release.outputs.version }}
          tags: ${{ steps.release.outputs.tags }}
          labels: ${{ steps.release.outputs.labels }}