Does Firebase Work With TypeORM?
You can use Firebase with TypeORM, but they solve different database problems—Firebase is NoSQL-first while TypeORM expects relational databases, requiring careful architectural decisions.
Quick Facts
How Firebase Works With TypeORM
Firebase and TypeORM serve fundamentally different database paradigms. TypeORM is built for relational databases (PostgreSQL, MySQL, SQLite, etc.) with traditional schema enforcement and migrations, while Firebase Realtime Database and Firestore are NoSQL document stores. You can use them together in the same application, but typically by connecting TypeORM to a separate relational database (like Cloud SQL) while using Firebase for specific concerns like authentication, real-time subscriptions, or specific collections. The real-world pattern is keeping them in separate data layers: TypeORM handles your application's relational data with type safety and migrations, while Firebase provides authentication, real-time capabilities, or acts as a secondary cache. This hybrid approach works well for full-stack apps where you want TypeORM's migrations and type safety but Firebase's auth and real-time features. The developer experience is smooth since both are well-documented, but you'll need to think about data synchronization and which system owns which data.
Best Use Cases
TypeORM + Firebase Integration Example
npm install typeorm firebase firebase-admin reflect-metadataimport { DataSource } from 'typeorm';
import { initializeApp } from 'firebase/app';
import { getAuth } from 'firebase/auth';
import { getFirestore } from 'firebase/firestore';
// TypeORM connection for relational data
const AppDataSource = new DataSource({
type: 'postgres',
host: 'localhost',
port: 5432,
username: 'user',
password: 'password',
database: 'myapp',
entities: ['src/entities/*.ts'],
synchronize: false,
});
// Firebase for auth and real-time features
const firebaseConfig = {
apiKey: 'YOUR_API_KEY',
projectId: 'YOUR_PROJECT',
databaseURL: 'YOUR_DB_URL',
};
const firebaseApp = initializeApp(firebaseConfig);
const auth = getAuth(firebaseApp);
const firestore = getFirestore(firebaseApp);
// Use in application
export { AppDataSource, auth, firestore };Known Issues & Gotchas
Data duplication between TypeORM database and Firebase creates sync complexity
Fix: Design clear ownership boundaries—keep relational data in TypeORM, use Firebase selectively for real-time features only. Implement event-driven sync with Cloud Functions.
TypeORM migrations don't apply to Firestore; you lose schema enforcement there
Fix: Use Firestore validation rules and document carefully. Consider TypeORM as your source of truth for schema, manually validate Firestore writes.
Firebase client libraries bloat bundle size; mixing with TypeORM backend adds complexity
Fix: Keep Firebase on the frontend, TypeORM on the backend. Use REST/GraphQL APIs to bridge them, don't use Firebase admin SDK in the same service as TypeORM unless necessary.
Transactions across TypeORM and Firebase are not atomic
Fix: Design systems where each database handles its own transactions. Use message queues (Bull, RabbitMQ) for eventual consistency.
Alternatives
- •Supabase (PostgreSQL + Auth) + TypeORM—fully SQL-based with built-in auth
- •MongoDB with Mongoose or TypeORM MongoDB driver—keeps everything NoSQL
- •Prisma with Firestore via custom adapters—modern type-safe ORM alternative
Resources
Related Compatibility Guides
Explore more compatibility guides