Firebase Initialization

config.js

export const firebaseConfig = {
    apiKey: "API_KEY",
    authDomain: "AUT_DOMAIN",
    databaseURL: "DATABASE_URL",
    projectId: "PROJECT_ID",
    storageBucket: "STORAGE_BUCKET",
    messagingSenderId: "SENDER_ID"
}

index.js

import * as firebase from 'firebase';
import { firebaseConfig } from './config'

firebase.initializeApp(firebaseConfig);