Do I still need Firebase Config if my website will be hosted on Firebase's own platform?

Is it necessary to explicitly initialize a Firebase hosted website if there are no plans to start another project?

// Initialize default app
// Retrieve your own options values by adding a web app on
// https://console.firebase.google.com
firebase.initializeApp({
  apiKey: "AIza....",                             // Auth / General Use
  appId: "1:27992087142:web:ce....",              // General Use
  projectId: "my-firebase-project",               // General Use
  authDomain: "YOUR_APP.firebaseapp.com",         // Auth with popup/redirect
  databaseURL: "https://YOUR_APP.firebaseio.com", // Realtime Database
  storageBucket: "YOUR_APP.appspot.com",          // Storage
  messagingSenderId: "123456789",                 // Cloud Messaging
  me

asurementId: "G-12345"                        // Analytics
});


if (!firebase.apps.length)
  firebase.initializeApp(firebaseConfig);

https://firebase.google.com/docs/reference/js/v8/firebase#initializeapp

Currently using version 8

 <!-- Add Firebase products that you want to use -->
  <script src="/__/firebase/8.1.1/firebase-auth.js"></script>
  <script src="/__/firebase/8.1.1/firebase-firestore.js"></script>
  <script src="/__/firebase/8.1.1/firebase-storage.js"></script>
javascriptfirebasegoogle-cloud-platformgoogle-cloud-firestorefirebase-hosting

Answer №1

When hosting a web application that utilizes Firebase services such as databases, cloud storage, and authentication, it is essential to initialize the app as demonstrated in the query. This applies whether the web app is hosted on Firebase Hosting or any other platform.

Conversely, if the goal is to host a web application solely on Firebase Hosting without integrating with any Firebase service (for example, a website consisting of static HTML/CSS files or an app making API calls from another source), initializing the app in the app code is not necessary.

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