Real-Time Polling System

A real-time polling and chat application where a teacher can create live questions and students can answer instantly.
Built using Node.js, Express, Socket.IO, MongoDB on the backend and React, Tailwind CSS on the frontend.

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🔗 Live Links

• Frontend: https://real-time-polling-system-frontend.vercel.app/
• Backend: https://real-time-polling-system-1.onrender.com/

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🚀 Features

• Real-time polling using Socket.IO
• Live results update for teacher and students
• Automatic timeout handling (unanswered students are treated as answered)
• Teacher cannot create next question until current one finishes
• Real-time chat between teacher and students
• Students only see live questions (no old questions)
• Teacher disconnect automatically ends the current question

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🖥️ Run Locally

1️⃣ Clone the repository

git clone https://github.com/chandankumarm55/Real-Time-Polling-System.git
cd Real-Time-Polling-System

2️⃣ Backend Setup

Create a .env file inside the server folder:

PORT=5000
NODE_ENV=development
MONGODB_URI=mongodb+srv://chandan:chandan228@cluster0.tvto3to.mongodb.net/

Install dependencies and start server:

cd server
npm install
npm run dev

Backend will run at:

http://localhost:5000

3️⃣ Frontend Setup

Create a .env file inside the client folder:

VITE_SOCKET_URL=http://localhost:5000
VITE_API_URL=http://localhost:5000/api

Install dependencies and start frontend:

cd client
npm install
npm run dev

Frontend will run at:

http://localhost:5173

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👨‍💻 Author

Chandan Kumar
GitHub: chandankumarm55

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⭐ Support

If you like this project, feel free to star the repository ⭐