📚 LMS API

A production-ready RESTful API for a Learning Management System (LMS), built with Node.js, Express, and MongoDB.
Supports user roles (students, instructors), course & lecture management, secure enrollment, and JWT-based authentication.

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🧩 Features

• User authentication & authorization (JWT, role-based access)
• Course & Lecture management: create, update, delete, publish
• Enrollment management: students enroll in courses and access their lectures
• Schema validation & data integrity via Mongoose models
• Environment-based configuration (development / production)
• Utilities & helpers for cleaner, reusable code (utils/)
• Structured folder layout: controllers, routes, models, config, utils
• Error handling: centralized middleware with custom error classes

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⚙️ Technologies & Packages

Package	Purpose
express	Web framework for routing and middleware
mongoose	MongoDB object modeling and schema enforcement
dotenv	Load configuration via environment variables
jsonwebtoken	Token-based authentication
bcrypt	Secure password hashing
express-validator	Request body / parameter validation
helmet	Security headers
morgan	HTTP request logging
cors	Handle cross-origin requests

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🚀 Getting Started

Prerequisites

• Node.js (v16+ recommended)
• npm or yarn
• MongoDB (local or Atlas)
• (Optional) Postman / REST client for testing

Installation

# Clone the repository
git clone https://github.com/subhaushsingh/LMS.git
cd LMS

# Install dependencies
npm install

Configuration

Create a .env file in the root directory with the following variables:

# Server
PORT=8000
NODE_ENV=development
CLIENT_URL=http://localhost:5173

# MongoDB
MONGODB_URL=your_mongodb_connection_string

# JWT Secret
SECRET_KEY=your_secret_key

# Cloudinary (optional)
CLOUDINARY_NAME=your_cloud_name
CLOUDINARY_API_KEY=your_cloudinary_api_key
CLOUDINARY_API_SECRET=your_cloudinary_api_secret

# Razorpay (optional)
RAZORPAY_KEY_ID=your_razorpay_key_id
RAZORPAY_KEY_SECRET=your_razorpay_key_secret

🔗 References

1. Express Documentation
2. Mongoose Documentation
3. JWT Documentation
4. Bcrypt Documentation
5. Dotenv Documentation
6. Razorpay Documentation
7. Cloudinary Documentation