.app-engine-cd.yml

# .app-engine-cd.yml

name: Basic CD
on:
  push:
    branches: [master, main]

jobs:
  deploy-to-app-engine:
    runs-on: ubuntu-latest
    permissions:
      contents: 'read'
      id-token: 'write'
    steps:
      - uses: 'actions/checkout@v3'
    # Authenticate via Service Account Key JSON
    # See https://github.com/google-github-actions/auth#authenticating-via-service-account-key-json-1
      - id: 'auth'
        uses: 'google-github-actions/auth@v2'
        with:
          credentials_json: '${{ secrets.GCP_SA_KEY }}'

    #
    # Use Google official GHA to deploy 🎉
      - id: 'deploy'
        uses: 'google-github-actions/deploy-appengine@v2'