firebase_init.dart

import 'package:firebase_core/firebase_core.dart';
import 'firebase_options.dart'; // generated via `flutterfire` CLI

Future<void> main() async {
  // initialize firebase across all supported platforms
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);

  runApp(MyApp());
}