After you’ve bootstrapped your API with the aid of YAWP!’s Maven archetype, it is really straightforward to deploy it to Google App Engine. Just follow these steps:
1) Create your App Engine Project ID using Google Cloud Console.
2) Change the file src/main/webapp/WEB-IF/appengine-web.xml and insert your Project ID:
3) From the project’s root folder, deploy your app using the App Engine Maven plugin:
4) Test it with cURL:
$ curl http://YOUR_APPENGINE_PROJECT_ID.appspot.com/api