2 articles tagged with: #Middleware

Solving Cross-Origin Errors Between Your Frontend and FastAPI

Fix frustrating CORS errors in FastAPI. This guide explains what Cross-Origin Resource Sharing is and shows how to use CORSMiddleware to connect your API to a React or other frontend application securely.

A guide to the 6 key middlewares for building secure, performant, and resilient FastAPI applications.

Learn how to build a production-ready FastAPI applications by implementing 6 essential middlewares. This guide covers security headers, CORS, trusted hosts, Gzip compression, process time tracking, and custom exception handling, including why their order is critical.