🔐 Spring Security with JWT Authentication

This project demonstrates how to implement JWT-based Authentication and Authorization using Spring Boot and Spring Security.
It’s a simple yet complete example that shows how to secure REST APIs with access tokens.

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🚀 Features

• ✅ User registration and login endpoints
• 🔑 JSON Web Token (JWT) based authentication
• 🧱 Role-based authorization (e.g., USER, ADMIN)
• 🔒 Password hashing using BCrypt
• ⚙️ Stateless authentication with Spring Security filters
• 🌐 CORS configuration for frontend integration
• 📦 Exception handling and custom responses

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🛠️ Tech Stack

• Java 17+
• Spring Boot
• Spring Security
• JWT (JSON Web Token)
• Maven / Gradle
• **PostgreSQL
• Lombok

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