MERN Stack Challenge 🚀 User Login API + JWT Token Authentication 🔐 | Node.js + Express + MongoDB

Welcome to Day 5 of the Complete 30 Days MERN Stack Challenge 🚀! In this video, we’ll build a User Login API and learn how to generate authentication tokens using JWT (JSON Web Token) in the MERN Backend. This is a key step toward securing your E-Commerce Website 🛒. What you’ll learn in this session: 🧠 How to create a Login Controller in Express 🔐 Validate user credentials and compare encrypted passwords with bcryptjs ⚙️ Setup JWT token for user authentication 🧪 Test the login API using Postman 💡 Understand protected routes and how JWT works behind the scenes 📌 Next Video: Protecting API Routes with Token & Middleware (JWT Authorization) 💡 Perfect for: ✅ Developers learning MERN authentication ✅ Students building secure backend projects ✅ Anyone working on real-world e-commerce systems 🔥 Don’t forget to Subscribe and press 🔔 to stay updated for Day 6! ⏱️ Timestamps 00:00 - Introduction 00:26 - Creating Controller Function for Login 04:56 - Comparing Encrypted Password with bcryptjs 07:28 - Creating Route for Login API in Router 08:05 - Executing API in Postman 09:18 - Explanation of Protected Route 09:50 - JWT (Json Web Token) Setup 14:26 - Conclusion of Session #MERNStack #JWTAuthentication #NodeJS #ExpressJS #MongoDB #MERNChallenge #FullStackDevelopment #BackendDevelopment #EcommerceWebsite #WebDevelopment #Authentication Connect with e-Academyy on social media : ✅ Telegram: https:/telegram.me/eacademyy ✅ WhatsApp Channel: https://whatsapp.com/channel/0029Va8PeF289inZuJiSCY20 📱 e-Academyy App : https://play.google.com/store/apps/details?id=co.jorah.zcrba ✅ Facebook: https://www.facebook.com/eacademyyonline ✅ Facebook: https://www.facebook.com/eacademyy ✅ Instagram: https://www.instagram.com/eacademyy ✅ Youtube: https://www.youtube.com/@eacademyy ✅ Website: https://www.eacademyy.in