A fully working Vector Database and RAG pipeline built from first principles — no Pinecone, no Chroma, no shortcuts. HNSW, KD-Tree, and Brute Force search implemented in pure Python with a FastAPI ...

This project integrates Langchain with FastAPI in an Asynchronous, Scalable manner, providing a framework for document indexing and retrieval, using PostgreSQL/pgvector. Files are organized into ...