docker.yml

# Example modified from https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
name: Create and publish a Docker image

# Configures this workflow to run every time a change is pushed to selected tags and branches
on:
  pull_request:
    branches:
      - main
  push:
    branches:
      - main
    tags:
      - v**

# Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4


      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      # Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here.
      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      # This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a subsequent step. The `images` value provides the base name for the tags and labels.
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
      # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.
      # It uses the `context` parameter to define the build's context as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the `docker/build-push-action` repository.
      # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
      - name: Build connector definition
        run: |
          set -e pipefail
          export DOCKER_IMAGE=$(echo "$DOCKER_METADATA_OUTPUT_JSON" | jq -r '.tags[0]')
          make build
        working-directory: ./connector-definition
      - uses: actions/upload-artifact@v4
        with:
          name: connector-definition.tgz
          path: ./connector-definition/dist/connector-definition.tgz
          compression-level: 0 # Already compressed

  release-connector:
    name: Release connector
    runs-on: ubuntu-latest
    needs: build-and-push-image
    if: ${{ startsWith(github.ref, 'refs/tags/v') }}
    steps:
      - uses: actions/checkout@v4
      - uses: actions/download-artifact@v4
        with:
          name: connector-definition.tgz
          path: ./connector-definition/dist
      - name: Get version from tag
        id: get-version
        run: |
          echo "tagged_version=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
        shell: bash
      - uses: mindsers/changelog-reader-action@v2
        id: changelog-reader
        with:
          version: ${{ steps.get-version.outputs.tagged_version }}
          path: ./CHANGELOG.md
      - uses: softprops/action-gh-release@v1
        with:
          draft: false
          tag_name: v${{ steps.get-version.outputs.tagged_version }}
          body: ${{ steps.changelog-reader.outputs.changes }}
          files: |
            ./connector-definition/dist/connector-definition.tgz
          fail_on_unmatched_files: true