💰 Expense Tracker Application (MERN Stack)

A full-stack Expense Tracker Application built with MongoDB, Express, React, and Node.js.
It allows users to add, edit, delete, and filter transactions (income and expenses),
view summaries by category/type, and visualize spending patterns.

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🚀 Features

• Add, edit, delete transactions
• Filter by type, category, and date range
• Paginated transaction list
• Responsive UI with charts
• Secure backend API with helmet & rate limiting

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🛠️ Tech Stack

Frontend: React + Redux Toolkit + TailwindCSS + Vite
Backend: Node.js + Express + MongoDB + Mongoose
Security: Helmet, Express Rate Limit
Charting: Recharts

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⚙️ Setup Instructions

🧩 1. Clone the Repository

git clone https://github.com/shivlalsharma/expense-tracker.git
cd expense-tracker

🧩 2. Backend Setup

cd backend
npm install

🧩 3. Create a .env file inside Backend Folder

PORT=5000 MONGO_URI=your_mongodb_connection_string FRONTEND_URL=http://localhost:5173

🧩 4. Then run:

npm run dev

🧩 5. Your backend should run on:

http://localhost:5000

🧩 6. Frontend Setup

cd ../frontend
npm install

🧩 7. Create a .env file inside Frontend Folder

VITE_BACKEND_URL=http://localhost:5000

🧩 8. Then run:

npm run dev

🧩 9. Your frontend should run on:

http://localhost:5173

🧪 API Example

Fetch transactions between dates:

GET http://localhost:5000/api/transaction?startDate=2025-11-01&endDate=2025-11-03

🧾 License

This project is licensed under a custom license.