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What Actually Happens When You Build a Production RAG Chatbot on Amazon Bedrock

This story is from 2026-10-23. It is preserved in the archive; the latest stories are on the live feed.

How we built a document Q&A system with NestJS, PostgreSQL, pgvector, Hybrid Search (RRF), Prompt Caching, and Claude on Amazon Bedrock. Building a demo chatbot is easy. Building one that consistently answers correctly after weeks of document updates, changing requirements, and real user traffic is…

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  1. 2026-10-23 07:00 · DEV Community — AI
    What Actually Happens When You Build a Production RAG Chatbot on Amazon Bedrock

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