MERN Stack Project: Realtime Chat App Tutorial - React.js & Socket.io 2026
Try MongoDB for Free: https://fandf.co/4xo30Ki
Try Clerk for Free: https://dub.sh/clerk4
Try Imagekit for Free: https://tinyurl.com/4c8pmh88
👇 Resources:
🚀 Our Skool Community: https://dub.sh/codesistency
📚 Source Code: https://dub.sh/code5 (Give it a star ⭐)
✏️ Diagrams: https://dub.sh/diagrams7
This video is kindly sponsored by MongoDB.
✨ Highlights:
💬 Full Stack Real-Time Chat App built from scratch
⚛️ Frontend with React, Tailwind CSS & Hero UI
🚀 Backend with Node.js & Express.js
🔐 Authentication with Clerk
🗄️ MongoDB Database Integration
⚡ Real-Time Messaging with Socket.io
🟢 Online User Presence Tracking
🖼️ Image & Video Sharing Support
🎨 Dark/Light Mode + Multiple Themes & Wallpapers
⌨️ Optional Keyboard Sound Effects
🔌 Build Your Own WebSocket Server (No Firebase/Supabase)
📤 Media Uploads & Transformations with ImageKit
🔔 Webhooks, Cron Jobs & Middleware Explained
📁 File Uploads from Scratch
🌐 Deploy Your App with a Live URL
🆓 100% Free Tools to Get Started
📂 Full Source Code Included
🎯 Resume-Ready Production-Style Project
Timestamps:
00:00:00 - 0- Project Preview
00:04:00 - 1- Project Setup & Understanding Basics
00:43:17 - 2- Database Schema & Relations
01:07:07 - 3- Basics of Auth on Frontend
01:13:31 - 4- Deploying Our App
01:32:11 - 5- Understanding Webhooks
01:46:48 - 6- Auth Routes & Controllers
01:53:53 - 7- Message Routes & Controllers
02:28:17 - 8- Socket.io & Realtime Features
02:45:36 - 9- Frontend Setup
03:15:26 - 10- Authentication Page
04:00:48 - 11- Chat Page
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