🎓 MVP LMS Backend (Node.js + Sequelize)

A production-ready MVP backend for a Learning Management System (LMS) built with Node.js, Express, Sequelize ORM, and PostgreSQL/MySQL.

This repository is designed for junior developers who want a solid backend foundation to build, learn, and extend an LMS MVP.

🚀 Features

✅ Authentication & Users

• User registration & login
• Role-based access control (Admin / Instructor / Student)
• JWT authentication

📚 Courses & Lessons

• Create and manage courses
• Create lessons under courses
• Ordered lessons for structured learning

📈 Lesson Progress Tracking

• Track lesson status (not_started, in_progress, completed)
• Track lesson completion percentage
• Resume learning from last lesson
• Course progress calculation

📝 Notes & Downloads

• Upload lesson notes (PDF, DOCX, etc.)
• Download notes per lesson
• Secure file handling

▶ Continue Learning

• Automatically resumes from last incomplete lesson
• Stores last accessed lesson per user

🧱 Clean Architecture

• MVC-inspired structure
• Sequelize migrations & models
• Centralized error handling
• Environment-based configuration

🧠 Tech Stack

• Node.js
• Express.js
• Sequelize ORM
• PostgreSQL / MySQL
• JWT Authentication
• Multer (File uploads)
• dotenv

📁 Project Structure

src/
│
├── config/          # Database & environment config
├── controllers/     # Route logic
├── models/          # Sequelize models
├── migrations/      # Database migrations
├── routes/          # API routes
├── middlewares/     # Auth & error handling
├── services/        # Business logic
├── utils/           # Helper functions
└── app.js           # App entry point

Built With

• express.js
• javascript
• node.js
• postgresql
• supabase