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Integrating Firebase with React

Initializing Firebase

In this lesson, we'll initialize Firebase using a separate class.

We'll cover the following...

Importing Firebase

Let’s import Firebase from the library we installed earlier, and then use it within a new Firebase class to initialize Firebase with the configuration we saw in the previous lesson:

Node.js
import app from 'firebase/app';
const config = {
  apiKey: process.env.REACT_APP_API_KEY,
  authDomain: process.env.REACT_APP_AUTH_DOMAIN,
  databaseURL: process.env.REACT_APP_DATABASE_URL,
  projectId: process.env.REACT_APP_PROJECT_ID,
  storageBucket: process.env.REACT_APP_STORAGE_BUCKET,
  messagingSenderId: process.env.REACT_APP_MESSAGING_SENDER_ID,
};
class Firebase {
  constructor() {
    app.initializeApp(config);
  }
}
export default Firebase;

That’s all we really need for a Firebase configuration in our application.

Production vs. Environment

Optionally, ...