--- title: "Discussion on \"Langchain RAG : From Basics to Production-Ready RAG Chatbot\" | Hashnode" description: "Discussion on \"Langchain RAG : From Basics to Production-Ready RAG Chatbot\". Build a production-ready RAG chatbot using LangChain, FastAPI, and Streamlit for interactive, document-based responses." url: "https://hashnode.com/posts/langchain-rag-from-basics-to-production-ready-rag-chatbot/67162cdb98341329149ae95e" --- [Feed](https://hashnode.com/feed) / Discussion # [Langchain RAG : From Basics to Production-Ready RAG Chatbot](https://blog.futuresmart.ai/langchain-rag-from-basics-to-production-ready-rag-chatbot?utm_source=hashnode&utm_medium=feed) Build a production-ready RAG chatbot using LangChain, FastAPI, and Streamlit for interactive, document-based responses. Oct 21, 2024 ยท 17 min read ยท blog.futuresmart.ai Read the article - [#langchain-rag](https://hashnode.com/tag/langchain-rag) - [#langchain-course](https://hashnode.com/tag/langchain-course) - [#rag-tutorial](https://hashnode.com/tag/rag-tutorial) - [#langchain](https://hashnode.com/tag/langchain) - [#rag](https://hashnode.com/tag/rag) ## Written by [Pradip Nichite](https://hashnode.com/@pnichite) @pnichite ยท India [View profile](https://hashnode.com/@pnichite) Lead Data Scientist | NLP | GPT-3 | GPT-4 | ChatGPT | AWS ๐Ÿš€ I'm a Top Rated Plus NLP freelancer on Upwork with over $300K in earnings and a 100% Job Success rate. This journey began in 2022 after years of enriching experience in the field of Data Science. ๐Ÿ“š Starting my career in 2013 as a Software Developer focusing on backend and API development, I soon pursued my interest in Data Science by earning my M.Tech in IT from IIIT Bangalore, specializing in Data Science (2016 - 2018). ๐Ÿ’ผ Upon graduation, I carved out a path in the industry as a Data Scientist at MiQ (2018 - 2020) and later ascended to the role of Lead Data Scientist at Oracle (2020 - 2022). ๐ŸŒ Inspired by my freelancing success, I founded FutureSmart AI in September 2022. We provide custom AI solutions for clients using the latest models and techniques in NLP. ๐ŸŽฅ In addition, I run AI Demos, a platform aimed at educating people about the latest AI tools through engaging video demonstrations. ๐Ÿงฐ My technical toolbox encompasses: ๐Ÿ”ง Languages: Python, JavaScript, SQL. ๐Ÿงช ML Libraries: PyTorch, Transformers, LangChain. ๐Ÿ” Specialties: Semantic Search, Sentence Transformers, Vector Databases. ๐Ÿ–ฅ๏ธ Web Frameworks: FastAPI, Streamlit, Anvil. โ˜๏ธ Other: AWS, AWS RDS, MySQL. ๐Ÿš€ In the fast-evolving landscape of AI, FutureSmart AI and I stand at the forefront, delivering cutting-edge, custom NLP solutions to clients across various industries. ## Responses 5 Markdown supported ยท โŒ˜โ†ต to post [Snehal Nair](https://hashnode.com/@snna) [Dec 31, 2025](https://hashnode.com/posts/langchain-rag-from-basics-to-production-ready-rag-chatbot/67162cdb98341329149ae95e/comment/6954a33c90fd1b065e9e310a) Where is the colab notebook ? [Atif Salman](https://hashnode.com/@atifsalman) [Dec 23, 2025](https://hashnode.com/posts/langchain-rag-from-basics-to-production-ready-rag-chatbot/67162cdb98341329149ae95e/comment/694a83cf3460234ad704b7b3) I cant find the notebook as well [Utkarsh Kant](https://hashnode.com/@utkarshkant) [Jan 27, 2025](https://hashnode.com/posts/langchain-rag-from-basics-to-production-ready-rag-chatbot/67162cdb98341329149ae95e/comment/6797430466c3771c7aabdfb3) Great work team! Can you please share the notebook and the data so that we can replicate your solution for consistent learning. Thanks! [Pradip Nichite](https://hashnode.com/@pnichite) [Jan 27, 2025](https://hashnode.com/posts/langchain-rag-from-basics-to-production-ready-rag-chatbot/67162cdb98341329149ae95e/comment/6797430466c3771c7aabdfb3#reply-67975f8409807fa7296e5695) [Utkarsh Kant](https://hashnode.com/@utkarshkant)Notebook link in final part of series [Pradip Nichite](https://hashnode.com/@pnichite) [Jan 13, 2025](https://hashnode.com/posts/langchain-rag-from-basics-to-production-ready-rag-chatbot/67162cdb98341329149ae95e/comment/67854f46df07153945fb25e7) [PRATIK SONAR](https://hashnode.com/@pratiksonar345) This series has three parts and all code present in this three blogs [PRATIK SONAR](https://hashnode.com/@pratiksonar345) [Dec 24, 2024](https://hashnode.com/posts/langchain-rag-from-basics-to-production-ready-rag-chatbot/67162cdb98341329149ae95e/comment/676a6ace21ae3aeb555e7452) Couldn't see the complete code which is in video - some parts are still missing here [PRATIK SONAR](https://hashnode.com/@pratiksonar345) [Dec 24, 2024](https://hashnode.com/posts/langchain-rag-from-basics-to-production-ready-rag-chatbot/67162cdb98341329149ae95e/comment/676a6ab35e20d3ac33e9ce32) can you share the complete notebook please ? [Jessica Johnson](https://hashnode.com/@alphakeyrecovery) [Oct 21, 2024](https://hashnode.com/posts/langchain-rag-from-basics-to-production-ready-rag-chatbot/67162cdb98341329149ae95e/comment/6716a6fb0477dc586c2608b3) ALPHA KEY, A LICENSED CRYPTO RECOVERY HACKER, IS A GREAT REFERENCE Please contact the qualified crypto recovery hacker using their Alpha key since they are the only one I have found who has truly done appropriately and to whom I can offer my sincere regards. Contact info : Mail:Alphakey@consultant.com WhatsApp :+15714122170 Signal:+18622823879 Telegram: ALPHAKEYHACKER