---
title: "Discussion on \"How to Build a RAG Chatbot for Your Docs with Node.js, Google Gemini, and pgvector\" | Hashnode"
description: "Discussion on \"How to Build a RAG Chatbot for Your Docs with Node.js, Google Gemini, and pgvector\". I was helping a team that had a 200-page API documentation PDF. Every new engineer spent their first two weeks Ctrl+F-ing through it, asking the same questions in Slack, getting redirected to the same"
url: "https://hashnode.com/posts/how-to-build-rag-chatbot-nodejs-gemini-pgvector/6a57a6aa328507d0d4d46169"
---

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# [How to Build a RAG Chatbot for Your Docs with Node.js, Google Gemini, and pgvector](https://freecodecamp.org/news/how-to-build-rag-chatbot-nodejs-gemini-pgvector?utm_source=hashnode&utm_medium=feed)

I was helping a team that had a 200-page API documentation PDF. Every new engineer spent their first two weeks Ctrl+F-ing through it, asking the same questions in Slack, getting redirected to the same

Jul 15 · 20 min read · freecodecamp.org  
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## Written by

[Zia Ullah](https://hashnode.com/@ziaullahzia)

@ziaullahzia · Stockholm, Sweden

  
[View profile](https://hashnode.com/@ziaullahzia)

Full-Stack Developer · Technical Writer · Azure

Zia Ullah is a Full Stack Developer at ValueAdd Solution Scandinavia AB - https://www.valueadd.se/ in Sweden, with a Master's in Software Engineering and a Bachelor's in Computer Science. He has 13+ years of experience building and deploying cloud applications on Azure, designing CI/CD pipelines with GitHub Actions and Azure DevOps, and implementing secure authentication, authorization, and API security. He is a technical writer whose articles have been published on leading developer platforms and high-authority technology publications, where he shares practical insights on web development, cloud computing, DevOps, cybersecurity, and software engineering. Connect with him on LinkedIn - https://www.linkedin.com/in/zia-ullah/

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