MERN
1-Month MERN Stack Course Structure
Week 1: JavaScript + Node.js + Express.js (Backend Basics)
Goal: Build backend fundamentals and REST APIs.
Day 1: MERN Overview
What is MERN?
How frontend + backend + database work
Installing Node.js, VS Code, Postman
Day 2: JavaScript Refresh
let, const
Functions
Arrow functions
Promises, async/await
Day 3: Node.js Basics
npm init
Modules (CommonJS + ES Modules)
Creating a simple server
Day 4: Express.js Basics
Installing Express
Creating routes (GET, POST)
Middleware
Sending JSON response
Day 5: REST API Basics
Route parameters
Query parameters
Postman testing
Day 6: Express Advanced
Error handling
Custom middleware
Folder structure for backend
Day 7: Practice Task
Build a Basic REST API (Products or Students).
Week 2: MongoDB + Mongoose + Full CRUD API
Goal: Learn database interaction and build CRUD APIs.
Day 8: MongoDB Basics
Collections vs documents
BSON vs JSON
Installing MongoDB or using MongoDB Atlas
Day 9: Mongoose Basics
Schemas
Models
Connecting MongoDB to Node.js
Day 10: CRUD – Create
Insert data from API using POST
Day 11: CRUD – Read
Get all items
Get single item
Day 12: CRUD – Update
Updating with PUT / PATCH
Day 13: CRUD – Delete
Deleting records
Error handling & validation
Day 14: Practice Task
Build a Complete Backend CRUD API
For example:
User API
Movies API
Blog API
Week 3: React.js (Frontend) + Integration
Goal: Learn React.js and connect it to backend APIs.
Day 15: React Basics
create-react-app / Vite
JSX
Components
Props
Day 16: React State Management
useState
useEffect
Handling events
Day 17: Forms & Controlled Inputs
Form handling
Validation
Submitting data
Day 18: Fetching Data from API
Fetch API
Axios
Displaying data with loops
Day 19: React Router
Routes
Navigation
Dynamic routes
Day 20: State Lifting & Reusability
Passing props
Reusable components
UI structuring
Day 21: Practice Task
Build a React Frontend for your backend API
(Display, add, delete items)
Week 4: MERN Integration + Authentication + Final Project
Goal: Build a real full-stack app with authentication.
Day 22: MERN Integration
Connect React frontend with Node backend
Axios calls
CORS
Day 23: Authentication Basics
Hashing with bcrypt
JWT tokens
Login + Register API
Day 24: Protected Routes
Middleware for token verification
Access control
Role-based access (Admin/User)
Day 25: File Uploads
Multer in Node
Upload images to backend
React file upload
Day 26: Deployment Overview
Deploy backend on Render/ Railway
Deploy frontend on Vercel/Netlify
Environment variables
Day 27–28: Project 1 (Full MERN App)
Examples:
E-commerce Product App
Blog App
Job Portal
Student Management System
Recipe App
Day 29–30: Final Major Project
Build a fully functional MERN Web Application, including:
✔ Login / Register
✔ JWT Authentication
✔ CRUD operations
✔ Responsive UI
✔ MongoDB database
✔ Deployment
After 1 Month You Will Know
✔ Full MERN stack development
✔ REST API development
✔ MongoDB CRUD with Mongoose
✔ React components, hooks, routing
✔ JWT authentication
✔ Connecting frontend & backend
✔ Building & deploying full-stack apps