MERN Stack Realtime Chat App - Socket.io, Gemini AI, React.js & Group Chat | Full Course
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💬 GitHub Source Code → https://github.com/TechWithEmmaYT/MER...
🧠 AI Integration Source Code (Full Version): https://dub.sh/whop-ai-source-code
In this video, you will build a Real-Time Messager App with with Whop AI Integration using the MERN stack — MongoDB, Express, React, and Node.js, with WebSocket (Socket.io)
You’ll learn how to build secure authentication, real-time one-on-one and group chats, AI message streaming, online presence tracking, and file uploads — all inside a modern, responsive UI styled with Tailwind v4 and Shadcn/UI.
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🖼️ Follow us on Instagram: / techwithemmaofficial
🗝️ Key features:
✅ Authentication with Secure Cookies
🔌 Real-Time Messaging via WebSocket (Socket.io)
💬 Create One-on-One or Group Chats
👥 Join & Leave Rooms in Real-Time
🟢 Online / Offline User Presence
💬 Reply to Specific Messages
⚡ Real-Time Last Message Updates
📁 File Upload with Cloudinary Integration
🤖 Whop AI – Built-in Chat Intelligence
🌗 Light & Dark Mode
📱 Fully Responsive UI
🎨 Styled with Tailwind v4 + Shadcn/UI
🧩 Built with Node.js, MongoDB, React, and TypeScript
🚀 Deployment Ready
⏲️Timestamps 👇
00:00:00 - Intro & Demo
00:06:03 - Project Setup & Error handler
00:32:44 - MongoDB Database Setup
00:37:07 - Models
00:55:12 - Auth API & Cookie
01:29:56 - Users & Chat API
02:09:02 - Message API
02:31:08 - Socket.io Examples (WebSocket Refresher)
02:52:24 - WebSocket Server
03:32:36 - Frontend Setup
04:00:17 - Frontend Auth
04:46:47 - Frontend Chat List
07:47:25 - Frontend Single Chat
09:29:53 - AI Integration
10:54:14 - Deployment
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nodejs mern stack