backend-production-deploy.yml

name: Deploy backend to production

on:
  release:
    types: [released]

concurrency:
  # If this workflow is already running, cancel it to avoid a scenario
  # where the older run finishes *after* the newer run and overwrites
  # the deployment with an older version of the app.
  group: ${{ github.workflow }}
  cancel-in-progress: true

jobs:
  reset-release-branch:
    name: Update release branch
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0 # fetch history for all branches and tags
          token: ${{ secrets.GH_TOKEN }} # use PAT with permissions to push to master
          ref: release

      - name: Perform reset
        run: |
          git reset --hard ${{ github.ref }}
          git push --force origin release

  production-deploy:
    name: Deploy to Heroku
    runs-on: ubuntu-22.04
    needs: reset-release-branch
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0 # fetch history for all branches and tags
          ref: release

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      - name: Install Heroku CLI
        run: curl https://cli-assets.heroku.com/install.sh | sh

      - name: Install builds plugin
        run: heroku plugins:install heroku-builds

      - name: Build app into tarball
        run: |
          pip install build
          python -m build --sdist

      - name: Create Heroku Build
        run: heroku builds:create -a dandi-api --source-tar dist/*.tar.gz
        env:
          HEROKU_API_KEY: ${{ secrets.HEROKU_API_KEY  }}
          HEROKU_EMAIL: ${{ secrets.HEROKU_EMAIL  }}