Frontend preview URLs for every PR

name: Preview

on:
  pull_request:
    types: [opened, synchronize, reopened, closed]

# Prevents race conditions
concurrency:
  group: preview-${{ github.event.pull_request.number }}
  cancel-in-progress: ${{ github.event.action != 'closed' }}

jobs:
  preview:
    runs-on: ubuntu-latest
    steps:
      - uses: previewkit/action@v1
        with:
          service-name: my-app
          port: 3000
          # ... Azure configuration