E-Learning Platform

A full-stack e-learning web application with AI-powered quiz generation and a text-to-speech academic voice assistant.

Features

• User Authentication — Register, login, and session-based auth
• Course Management — Browse, enroll in, and view course materials
• AI Quiz Generator — Generate quizzes on topics like Network Security, Java, MERN Stack, and more via OpenAI
• Academic Voice Assistant — Text-to-speech powered by a Python Flask microservice
• File Uploads — Upload course images and materials
• Course Likes — Save/favourite courses

Tech Stack

Frontend

• React 19 + React Router v7
• Embla Carousel / React Slick / Swiper

Backend

• Node.js + Express.js
• MongoDB + Mongoose
• express-session + bcryptjs
• Multer (file uploads)
• OpenAI API

AI Service

• Python + Flask (text-to-speech microservice)

Project Structure

E-Learning/
├── frontend/         # React application
├── backend/          # Node.js/Express API
│   ├── server.js     # Main server entry point
│   ├── app.py        # Python Flask TTS microservice
│   ├── models/       # Mongoose models
│   └── uploads/      # Uploaded course files

Getting Started

Prerequisites

• Node.js (v18+)
• Python 3.x
• MongoDB (local or Atlas)
• OpenAI API key

Setup

1. Clone the repository

git clone https://github.com/Vandan0412/E-Learning-MERN.git
cd E-Learning-MERN

2. Backend setup

cd backend
npm install
cp .env.example .env   # Fill in your values
npm start

3. Frontend setup

cd frontend
npm install
npm start

4. Python Flask service

cd backend
pip install flask openai
python app.py

Environment Variables

Copy backend/.env.example to backend/.env and fill in:

Variable	Description
OPENAI_API_KEY	Your OpenAI API key
MONGO_URI	MongoDB connection string
SESSION_SECRET	A strong random string for session signing
PORT	Backend port (default: 5000)

Running Ports

Service	Port
Frontend (React)	3000
Backend (Express)	5000
AI Service (Flask)	5003

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Running with Docker

Start the application

From the project root:

docker compose -f docker-compose.yaml up

This starts:

• Node.js/Express backend
• MongoDB
• Mongo Express

Services

Backend: http://localhost:5000

Mongo Express: http://localhost:8081

MongoDB: localhost:27017

Stop the application

docker compose -f docker-compose.yaml down

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License

MIT