Step 1: Configuration Firebase and Service Worker

Web Push at Mapp is based on Firebase.

The Service Worker is necessary to display messages when the browser or a tab are not in focus.

1. Download the JavaScript file firebase-messaging-sw.js.

2. Create the Webapp-Project in Firebase and copy the configuration.

3. In the JavaScript file make the following adjustments by pasting the configuration:
   Example

   /* ... */
   
   const firebaseConfig = {
   	apiKey: "<<Firebase apiKey>>",
   	authDomain: "<<Firebase authDomain>>",
   	projectId: "<<Firebase projectId>>",
   	storageBucket: "<<Firebase storageBucket>>",
   	messagingSenderId: "<<Firebase messagingSenderId>>",
   	appId: "<<Firebase appId>>",
   	measurementId: "<<Firebase measurementId>>" // Optional
   };
   
   /* ... */

   Parameter	Description
   apiKey	Please include as specified in your Firebase console in project settings > general > my app > configuration.
   authDomain
   projectId
   storageBucket
   messagingSenderId
   appId
   measurementId	(Optional) Include only if you use Google Analytics in your Firebase setup.

   Watch the following video for more details:

4. Include the script file "firebase-messaging-sw.js" in your server.