Expense Tracker API

A backend web application to monitor expenses built with Node.js, Express, and MongoDB.

📌 Overview

This expense tracker provides robust backend functionality for tracking and managing financial transactions. Built with a modular architecture, the application handles user authentication, transaction management, and proper error handling.

✨ Features

• RESTful API endpoints for transaction management
• User authentication with JWT
• Error handling and validation
• CORS support for cross-origin requests
• Modular project structure for scalability

🛠️ Technologies Used

• Node.js - JavaScript runtime environment
• Express.js - Web application framework
• MongoDB - NoSQL database
• JSON Web Tokens (JWT) - Secure authentication
• JavaScript - Programming language (100%)

📂 Project Structure

expense-tracker/
├── handlers/
│   └── errorHandler.js
├── managers/
│   └── jwtManager.js
├── middleware/
│   └── auth.js
├── models/
│   ├── transactionsModel.js
│   └── usersModel.js
├── modules/
│   ├── transactions/
│   │   ├── controllers/
│   │   │   ├── addExpense.js
│   │   │   ├── addIncome.js
│   │   │   ├── deleteTransaction.js
│   │   │   └── editTransactions.js
│   │   └── transactions.routes.js
│   └── users/
│       ├── controllers/
│       │   ├── login.js
│       │   ├── register.js
│       │   └── userDashboard.js
│       └── routes.routes.js
├── .gitignore
├── app.js
├── package-lock.json
├── package.json
└── README.md

🔧 Installation & Setup

Prerequisites

• Node.js (v18 or higher recommended)
• MongoDB instance (local or Atlas)

Installation

1. Clone the repository

   git clone https://github.com/MrRyt247/expense-tracker.git
   

2. Navigate to the project directory

   cd expense-tracker
   

3. Install dependencies

   npm install
   
   

4. Start the server

   nodemon app.js
   

📝 License

This project is open source and available under the MIT License.

👨‍💻 Author

• MrRyt247