Why settle for out-of-date chatbots? This hands-on guide shows you how to build a RAG (Retrieval-Augmented Generation) chatbot that fetches answers from your own custom data, using JavaScript, Langchain, and OpenAI.
⚙️ You’ll Discover: ✅ How RAG works to beat knowledge cutoffs ✅ Scraping and vector embedding your own data ✅ Full-stack setup with Next.js, Langchain, Vercel, and Astra DB ✅ Real-world chatbot example project
If you want an AI that knows your business—this guide makes it happen.