Expense Tracker (MERN Stack)

Overview

An Expense Tracker application built using the MERN (MongoDB, Express.js, React, Node.js) stack. This app helps users track their income and expenses with an intuitive interface and real-time updates.

Features

• User authentication (JWT-based login/register)
• Add, edit, and delete expenses/income
• Categorize transactions
• View expense history
• Interactive dashboard with charts
• Responsive design

Tech Stack

• Frontend: React, Redux Toolkit, Tailwind CSS
• Backend: Node.js, Express.js
• Database: MongoDB, Mongoose
• Authentication: JSON Web Tokens (JWT)

Installation

Prerequisites

Ensure you have the following installed:

• Node.js (latest stable version)
• MongoDB (local or cloud-based Atlas instance)

Setup

1. Clone the repository:

   git clone https://github.com/your-username/expense-tracker-mern.git
   cd expense-tracker-mern

2. Install dependencies:

   # Backend
   cd backend
   npm install

   # Frontend
   cd ../frontend
   npm install

3. Setup Environment Variables: Create a .env file in the backend directory and add:

   MONGO_URI=your_mongodb_connection_string
   JWT_SECRET=your_secret_key
   PORT=5000

4. Run the application:

   # Start backend server
   cd backend
   npm start

   # Start frontend server
   cd frontend
   npm start

API Endpoints

Authentication

• POST /api/auth/register - Register a new user
• POST /api/auth/login - Login user

Transactions

• GET /api/transactions - Get all transactions
• POST /api/transactions - Add a new transaction
• PUT /api/transactions/:id - Update a transaction
• DELETE /api/transactions/:id - Delete a transaction

Screenshots

License

This project is licensed under the MIT License.

Contributors

• Your Name

Acknowledgements

• React
• Express.js
• MongoDB
• Node.js