dockerize.yaml

name: Build and push Docker images

on:
  push:
    tags: '@openfn/ws-worker@**'
  workflow_call:

jobs:
  check-tag:
    name: Check if Docker tag exists
    runs-on: ubuntu-latest
    outputs:
      should_build: ${{ steps.check.outputs.should_build }}
      docker_tag: ${{ steps.extract.outputs.docker_tag }}
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0
      - name: Extract Docker tag
        id: extract
        run: |
          SOURCE_TAG=$(git tag --sort=-creatordate --list "@openfn/ws-worker@*" | head -n 1)
          echo Source Tag: $SOURCE_TAG

          VERSION_TAG=${SOURCE_TAG#@openfn/ws-worker}
          echo Version Tag: $VERSION_TAG

          DOCKER_TAG=${VERSION_TAG#@}
          echo Docker Tag: $DOCKER_TAG

          echo "docker_tag=$DOCKER_TAG" >> $GITHUB_OUTPUT
      - name: Check if Docker tag exists
        id: check
        run: |
          STATUS=$(curl -s -o /dev/null -w "%{http_code}" \
            https://hub.docker.com/v2/repositories/openfn/ws-worker/tags/v${{ steps.extract.outputs.docker_tag }}/)
          if [ "$STATUS" = "200" ]; then
            echo "Tag v${{ steps.extract.outputs.docker_tag }} already exists on Docker Hub, skipping build"
            echo "should_build=false" >> $GITHUB_OUTPUT
          else
            echo "should_build=true" >> $GITHUB_OUTPUT
          fi

  build-and-push-worker-image:
    needs: check-tag
    if: needs.check-tag.outputs.should_build == 'true'
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v6
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          target: ws-worker
          tags: |
            openfn/ws-worker:latest
            openfn/ws-worker:v${{ needs.check-tag.outputs.docker_tag }}