name: Docker Image CI

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  CONTAINER_REGISTRY_USER: dnlbauer
  IMAGE_NAME: pdfact-service
  
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - name: set tag
      id: tag
      run: echo "::set-output name=tag::$(date +%s)"
    - name: docker login
      if: ${{github.event_name != 'pull_request'}}
      uses: docker/login-action@v2
      with:
        username: ${{env.CONTAINER_REGISTRY_USER}}
        password: ${{secrets.DOCKER_PASSWORD}}
    - name: docker build and push
      uses: docker/build-push-action@v3
      with:
        context: .
        push: ${{github.event_name != 'pull_request'}}
        tags: ${{env.CONTAINER_REGISTRY_USER}}/${{env.IMAGE_NAME}}:latest , ${{env.CONTAINER_REGISTRY_USER}}/${{env.IMAGE_NAME}}:${{ steps.tag.outputs.tag }}
    - name: docker push readme
      uses: christian-korneck/update-container-description-action@v1
      if: ${{ github.event_name != 'pull_request' }}
      env:
        DOCKER_USER: ${{env.CONTAINER_REGISTRY_USER}}
        DOCKER_PASS: ${{secrets.DOCKER_PASSWORD}}
      with:
        destination_container_repo: ${{env.CONTAINER_REGISTRY_USER}}/${{env.IMAGE_NAME}}
        provider: dockerhub
        short_description: 'Analyze pdf files with pdfact using a simple web API.'
        readme_file: 'README.md'
  dependabot_auto_merge:
    needs: build
    runs-on: ubuntu-latest
    if: ${{ github.actor == 'dependabot[bot]' && github.event_name == 'pull_request' }}
    steps:
      - name: Automerge dependabot PR
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.DEPENDABOT_TOKEN }}
        run: gh pr merge --auto --merge "$PR_URL"