Author(s): Asif Khan Originally published on Towards AI. A locally running RAG chatbot built with Ollama, FastAPI, and Chroma, answering questions strictly from uploaded documents with clear source references. I wanted to create a chatbot, but without spending a single penny. No …

Author(s): Asif Khan Originally published on Towards AI. In Part 1, we built a complete backend for a document-based chatbot using local tools.Before jumping into the frontend, it’s important to verify that the backend behaves correctly. Instead of guessing, we’ll first test …