heroku.yml

name: Deployment to Heroku
on:
  workflow_dispatch:
    inputs:
      git-ref:
        description: Get Ref (Optional)
        required: false

jobs:
  build_and_deploy:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: .
    steps:
      - name: Clone Repository (Latest)
        uses: actions/checkout@v2
        if: github.event.inputs.git-ref == ''
      - name: Clone Repository (Custom Ref)
        uses: actions/checkout@v2
        if: github.event.inputs.git-ref != ''
        with:
          ref: ${{ github.event.inputs.git-ref }}
      - name: Build and deploy the Docker image
        env:
          HEROKU_API_KEY: ${{ secrets.HEROKU_API_KEY }}
          APP_NAME: ${{ secrets.APP_NAME }}
        run: |
          docker login --username=_ --password=$HEROKU_API_KEY registry.heroku.com
          heroku container:push web -a $APP_NAME
          heroku container:release web -a $APP_NAME