firebase.js
import firebase from "firebase/app" import "firebase/auth" import "firebase/storage" import "firebase/firestore" if (!firebase.apps.length) { firebase.initializeApp({ apiKey: process.env.FIREBASE_API_KEY, authDomain: process.env.FIREBASE_AUTH_DOMAIN, databaseURL: process.env.FIREBASE_DATABASE_URL, projectId: process.env.FIREBASE_PROJECT_ID, storageBucket: process.env.FIREBASE_STORAGE_BUCKET, messagingSenderId: process.env.FIREBASE_MESSAGING_SENDER_ID, appId: process.env.FIREBASE_APP_ID, measurementId: process.env.FIREBASE_MEASUREMENT_ID, }) } export const auth = firebase.auth() export const storage = firebase.storage() export const db = firebase.firestore() export default firebase