Update firebase-config.js

firebase-config.js

@@ -1,24 +1,25 @@
 const admin = require('firebase-admin');
-require("dotenv").config();
-const serviceAccount = JSON.parse(process.env.FIREBASE_SERVICE_ACCOUNT);
 
-try {
+let db;
+
+if (!admin.apps.length) {
+  try {
+    const serviceAccount = JSON.parse(process.env.FIREBASE_SERVICE_ACCOUNT);
+
     admin.initializeApp({
       credential: admin.credential.cert(serviceAccount),
-    databaseURL: "https://YOUR_PROJECT_ID.firebaseio.com" // Add this line
+      // databaseURL is optional unless you use Realtime Database
     });
 
-  console.log('Firebase initialized successfully');
-} catch (error) {
-  console.error('Firebase initialization error:', error);
-  process.exit(1); // Exit if Firebase fails to initialize
+    db = admin.firestore();
+    console.log('✅ Firebase Admin initialized');
+
+  } catch (error) {
+    console.error('❌ Firebase initialization error:', error);
+    throw new Error('Failed to initialize Firebase Admin SDK');
+  }
+} else {
+  db = admin.firestore();
 }
 
-const db = admin.firestore();
-
-// Test connection
-db.collection('users').get()
-  .then(() => console.log('Firestore connection successful'))
-  .catch(err => console.error('Firestore connection error:', err));
-
 module.exports = db;