Production retrieval-augmented Q&A pipeline using LangChain LCEL, OpenAI embeddings, and Qdrant Cloud. Includes automated RAGAS evaluation, LangSmith full-chain observability, and CI/CD to AWS App Runner via GitHub Actions.
Apr 2026
Production-grade RAG Q&A system with real evaluation (RAGAS faithfulness/relevancy on every query), LangSmith observability, and a CD pipeline to AWS App Runner.