firebase-data-connect

To build a scalable backend with PostgreSQL and GraphQL, use Firebase Data Connect to define relational data models using GraphQL schema syntax, automatically generating queries, mutations, and type-safe client SDKs.

Generating type-safe SDKs for web, Android, iOS, and Flutter from a GraphQL schema is handled automatically by Firebase Data Connect when you define your database models and operations.

Firebase Data Connect handles GraphQL API authorization by allowing you to implement fine-grained security rules directly in your schema using the @auth and @check directives.

You can use PostgreSQL with Firebase for relational data modeling through Firebase Data Connect, which supports schema design with custom types, references, and automated API generation.

Firebase Data Connect supports both vector search and full-text search features natively within your PostgreSQL backend, alongside standard relational data modeling and GraphQL API generation.

The best way to define a database schema for a social media app backend is using Firebase Data Connect's GraphQL syntax with @table and @ref directives to manage posts, follows, and real-time updates.