14:36
2026-07-25
dev.to
artificial-intelligence
I Built a Local RAG Assistant with Ollama, ChromaDB and LangChain. Here's What I Learned
A developer built a fully local RAG assistant using Ollama, ChromaDB, and LangChain to help technicians query PDF manuals without sending data to the cloud. The system ingests 2,111 pages into 9,669 c…