Question 1

How do I handle user authentication with PostgREST?

Accepted Answer

PostgREST uses JSON Web Tokens (JWT) for authentication. You need to configure a JWT secret and set up PostgreSQL roles to manage permissions; the server assumes the authenticated user's identity for all database operations, as described in the security section.

Question 2

PostgREST vs building a custom API in Node.js or Python?

Accepted Answer

PostgREST automates API generation for speed and consistency, ideal for CRUD-heavy apps, but lacks flexibility for custom logic outside SQL. Custom APIs offer more control but require significantly more development time and maintenance.

Question 3

How to version APIs with PostgREST?

Accepted Answer

Versioning is done through database schemas. Create new schemas for different API versions and use views to expose data, allowing backward-compatible changes without breaking existing clients, as explained in the versioning support.

Question 4

Can PostgREST handle real-time features like websockets?

Accepted Answer

No, PostgREST is a RESTful HTTP server and does not support websockets or real-time communication. You would need to implement a separate service for such features alongside PostgREST.

Question 5

How do I filter and sort data in PostgREST requests?

Accepted Answer

Use query parameters in HTTP requests, such as ?select=*, ?order=column.asc, and ?column=eq.value, based on the auto-generated OpenAPI documentation, which provides a standard interface for data manipulation.

Question 6

Is PostgREST suitable for production with high traffic?

Accepted Answer

Yes, with its high-performance architecture and connection pooling, it's production-ready. Benchmarks show it handling thousands of requests per second, but ensure PostgreSQL is tuned for optimal performance and security.

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