fly-destroy.yml

# This workflow runs in the target repo context, as it is triggered via pull_request_target.
# It does not, and should not have access to code in the PR.
# See https://securitylab.github.com/research/github-actions-preventing-pwn-requests/

name: fly.io Destroy
on:
  pull_request_target:
    branches: [ main ]
    types: [unlabeled, closed]

  # Allows running this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  destroy:
    name: Remove app from fly.io
    runs-on: ubuntu-22.04
    # Remove the deployment when 'preview' label is removed, or the PR is closed.
    if: |
      github.event_name == 'workflow_dispatch' ||
      (github.event_name == 'pull_request_target' &&
      (github.event.action == 'closed' ||
      (github.event.action == 'unlabeled' && github.event.label.name == 'preview')))
    steps:
      - uses: actions/checkout@v4
      - name: Set up flyctl
        uses: superfly/flyctl-actions/setup-flyctl@master
        with:
          version: 0.2.72
      - name: Destroy fly.io app
        env:
          FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
          BRANCH_NAME: ${{ github.event.pull_request.head.repo.full_name }}-${{ github.event.pull_request.head.ref }}
          # See fly-build for what BRANCH_NAME looks like.
        id: fly_destroy
        run: node buildtools/fly-deploy.js destroy