💰 ExpenseTracker Backend

A secure and scalable Expense Management REST API built with Spring Boot, featuring JWT authentication, Redis caching, PostgreSQL, analytics, budgeting, and AI-powered financial insights using Gemini AI.

🌐 Frontend

The frontend for this project is built separately using modern web technologies and provides a clean and responsive UI for managing expenses.

• 💻 Frontend Repository:
  https://github.com/utkarshrastogi121/expensetracker_ui

• 🚀 Live Application:
  https://expensetrack-ui.vercel.app

🚀 Features

• 🔐 JWT Authentication & Authorization
• 💸 Expense Management
• 🎯 Budget Tracking
• 🏷️ Category Management
• 📊 Expense Analytics & Reports
• 🤖 Gemini AI Financial Insights
• ⚡ Redis Caching
• 📖 Swagger API Documentation
• 🐳 Docker Support

🛠️ Tech Stack

• Spring Boot
• Spring Security
• JWT
• PostgreSQL
• Spring Data JPA / Hibernate
• Redis
• Gemini AI API
• Swagger / OpenAPI
• Docker
• Maven

⚙️ Setup

Clone Repository

git clone https://github.com/utkarshrastogi121/expensetracker.git
cd expensetracker

Configure Environment Variables

DB_URL=
DB_USERNAME=
DB_PASSWORD=

JWT_SECRET=

REDIS_HOST=
REDIS_PORT=

GEMINI_API_KEY=

Run Application

mvn spring-boot:run

Or with Docker:

docker-compose up -d

📖 API Documentation

Swagger UI:

http://localhost:8080/swagger-ui/index.html

🏗️ Modules

• Authentication
• Expenses
• Budgets
• Categories
• Analytics
• AI Insights

👨‍💻 Author

Utkarsh Rastogi

• GitHub: https://github.com/utkarshrastogi121

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