docker-image.yml

name: Create and publish a Docker image

on:
  push:
    branches: ['master', 'build-push-to-artifact-registry']
    tags: ['v*']

env:
  GITHUB_REGISTRY: ghcr.io
  GAR_PROJECT_ID: ${{ vars.GAR_PROJECT_ID }}
  GAR_REGISTRY: ${{ vars.GAR_LOCATION }}-docker.pkg.dev
  IMAGE_NAME: ${{ github.repository }}
  SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
  CHANNEL_ID: ${{ vars.SLACK_CHANNEL_ID }}

jobs:
  build-and-push-image:
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        items:
          - file: docker/5.9/amd64/Dockerfile
            arch: amd64
            platform: linux/amd64
          - file: docker/5.9/arm64/Dockerfile
            arch: arm64
            platform: linux/arm64

    permissions:
      contents: read
      packages: write
      
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.GITHUB_REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Log in to Google Artifact Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.GAR_REGISTRY }}
          username: _json_key
          password: ${{ secrets.GAR_JSON_KEY }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.GITHUB_REGISTRY }}/${{ env.IMAGE_NAME }}
            ${{ env.GAR_REGISTRY }}/${{ env.GAR_PROJECT_ID }}/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}}
            type=ref,event=branch
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Docker image
        id: build_and_push_docker_image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: ${{ matrix.items.platform }}
          file: ${{ matrix.items.file }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}-${{ matrix.items.arch }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Send a message on Slack channel
        id: slack
        uses: slackapi/slack-github-action@v1.24.0
        with:
          channel-id: ${{ env.CHANNEL_ID }}
          payload: |
            {
              "text": "New Docker image 🤖",
              "attachments": [
                {
                  "pretext": "Images in ${{ github.repository }} were built and pushed",
                  "color": "28a745",
                  "fields": [
                    {
                      "value": "See <https://github.com/Golface/SwagGen/actions/runs/${{ github.run_id }}|GitHub Actions log> in Golface/SwagGen"
                    },
                    {
                      "title": "Status",
                      "short": true,
                      "value": "Completed"
                    }
                  ],
                  "footer": "Ref name: ${{ github.ref_name }}"
                }
              ]
            }

      - name: Send a failure message on Slack channel
        id: slack_failure
        if: ${{ failure() }}
        uses: slackapi/slack-github-action@v1.24.0
        with:
          channel-id: ${{ env.CHANNEL_ID }}
          payload: |
              {
                "text": "Failed to build Docker image :bangbang:",
                "attachments": [
                  {
                    "pretext": "Failed to build ${{ github.repository }} image",
                    "color": "a72828",
                    "fields": [
                      {
                        "value": "See <https://github.com/Golface/SwagGen/actions/runs/${{ github.run_id }}|GitHub Actions log> in Golface/SwagGen"
                      },
                      {
                        "title": "Status",
                        "short": true,
                        "value": "Failed"
                      }
                    ],
                    "footer": "Ref name: ${{ github.ref_name }}"
                  }
                ]
              }