Angular Web Application On Serveur . Import { observable, of } from 'rxjs'; First, we will create a database, tables and insert some data. Debug your Angular app in Webstorm Jonathan Bouzekri’s blog from blog.bouzekri.net First, we will create a database, tables and insert some data. By default, if a page cannot be found in an angular application, the index.html host page is returned. Once download completed, install wamp the server on your machine.