firebase.js

// Import the functions you need from the SDKs you need
import { initializeApp } from "firebase/app";
import { getFirestore } from "firebase/firestore";
import { getAuth } from "firebase/auth";
import {
  FIREBASE_API_KEY,
  FIREBASE_AUTH_DOMAIN,
  FIREBASE_PROJECT_ID,
  FIREBASE_STORAGE_BUCKET,
  FIREBASE_MESSAGING_SENDER_ID,
  FIREBASE_APP_ID,
} from "@env";

const firebaseConfig = {
  apiKey: FIREBASE_API_KEY,
  authDomain: FIREBASE_AUTH_DOMAIN,
  projectId: FIREBASE_PROJECT_ID,
  storageBucket: FIREBASE_STORAGE_BUCKET,
  messagingSenderId: FIREBASE_MESSAGING_SENDER_ID,
  appId: FIREBASE_APP_ID,
};

// Initialize Firebase
export const app = initializeApp(firebaseConfig);
export const db = getFirestore(app);
export const auth = getAuth(app);