cd.yml

on:
  # Trigger the workflow on push
  # but only for the main branch
  push:
    branches:
      - master

name: Continuous Deployment

concurrency:
  group: "${{ github.ref }}-cd"
  cancel-in-progress: true

jobs:
  check-env:
    runs-on: ubuntu-latest
    outputs:
      fly-api-token: ${{ steps.fly-api-token.outputs.defined }}
    steps:
      - id: fly-api-token
        env:
          FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
        if: "${{ env.FLY_API_TOKEN != '' }}"
        run: echo "defined=true" >> $GITHUB_OUTPUT

  deploy:
    needs: [check-env]
    if: needs.check-env.outputs.fly-api-token == 'true'
    name: Deploy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: docker/setup-buildx-action@v3
      - uses: docker/build-push-action@v6
        with:
          context: .
          cache-from: type=gha,scope=cached-stage
          cache-to: type=gha,scope=cached-stage,mode=max
          load: true
          tags: app:latest
      - uses: superfly/flyctl-actions@1.5
        env:
          FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
        with:
          args: "deploy --local-only -i app:latest"
      - name: Cloudflare Cache Purge Action
        uses: NathanVaughn/actions-cloudflare-purge@v3.0.0
        if: success()
        with:
          cf_zone: ${{ secrets.CLOUDFLARE_ZONE }}
          cf_auth: ${{ secrets.CLOUDFLARE_AUTH_KEY }}