// freeCodeCamp · 18 March 2026

How to Build a Production RAG System with Cloudflare Workers – a Handbook for Devs

Most RAG tutorials show you a working demo and call it done. You copy the code, it runs locally, and then you try to put it in production and everything falls apart. This tutorial is different. I run

freeCodeCamp

@freecodecamp · Daniel Nwaneri

www.freecodecamp.org

freeCodeCamp@freecodecamp