Build production RAG systems in Node.js - Know where it breaks, why it works, and when to use...
Build production RAG systems in Node.js - Know where it breaks, why it works, and when to use it
Introduction: Why Node.js for RAG?
Fast I/O (API calls to Claude, PostgreSQL queries)
Real-time capable (WebSockets for streaming)
Easy deployment (Vercel, Railway, Render)
Your RAG demo works on localhost. Under real load—socket exhaustion, 429s, and pool timeouts kill it. A frontend dev's…
This is a story about "getting RAG right" — not a demo, but a production system under real business...
How to Build Systems That Actually Know Your Data (Not Hallucinate About It) ...
Build a RAG pipeline from scratch: chunking, embeddings, retrieval, reranking, grounded generation, and the production patterns…
Most RAG frameworks today assume: a huge dependency graph mandatory LLM orchestration opinionated...
Every RAG tutorial I read used LangChain or LlamaIndex and hid the interesting parts. So I built a 500-line RAG pipeline with no…
