Book Review System in Spring Boot | part-3 | Secure REST API with JWT & PostgreSQL

📚 Welcome to the Book Review System — a complete Java Spring Boot application designed to manage books, user reviews, ratings, and secure user authentication using JSON Web Tokens (JWT).

🔧 **Tech Stack Used:**
- Java (Core + Java 8)
- Spring Boot, Spring MVC, Spring Data JPA
- PostgreSQL as the database
- Spring Security with JWT (JSON Web Token) for secure authentication
- RESTful API development with Swagger/OpenAPI documentation
- JUnit & Mockito for unit testing
- Optional: Docker containerization and AWS EC2 deployment

✨ **Key Features:**
✅ User registration & login with JWT-based security
✅ Admin panel to add, update, delete books
✅ Users can post reviews and star ratings
✅ Secure REST API with role-based access
✅ API documentation using Swagger UI
✅ Robust backend architecture following best practices

This project is ideal for Java developers, backend engineers, or anyone looking to understand how to build real-world applications using Spring Boot, JWT, JPA, and PostgreSQL.

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