Spring Boot 3 JWT Security

Abstract

1. Introduction

Sample project on how to implement JWT security based using Spring boot 3 and Spring security 6

2. Objective

Sample project on how to implement JWT security based using Spring boot 3 and Spring security 6

This project demonstrates how Java, Docker, Spring Boot can be applied to a real-world Full Stack Web Development problem.

3. Key Features / Modules

• User registration and login with JWT authentication
• Password encryption using BCrypt
• Role-based authorization with Spring Security
• Customized access denied handling
• Logout mechanism
• Refresh token

4. Technology Stack

• Spring Boot 3.0
• Spring Security
• JSON Web Tokens (JWT)

5. System Requirements

General requirements for this technology stack — check the README for exact versions.

• JDK 11 or later
• Maven / Gradle
• IntelliJ IDEA, Eclipse or Android Studio
• Git (to clone the repository)

6. Installation & Setup

git clone https://github.com/ali-bouali/spring-boot-3-jwt-security.git
cd spring-boot-3-jwt-security

1. Maven 3+
2. Clone the repository: git clone https://github.com/ali-bouali/spring-boot-3-jwt-security.git
3. Navigate to the project directory: cd spring-boot-security-jwt
4. Add database "jwt_security" to postgres
5. Build the project: mvn clean install
6. Run the project: mvn spring-boot:run

Full setup instructions are in the project README.

7. Future Enhancements

Suggested extensions you can add to make this your own project.

• Add role-based access control
• Deploy on a VPS or cPanel hosting with a custom domain
• Add automated tests and a CI pipeline

8. Viva / Review Questions

Common questions examiners ask for projects in this domain.

1. Explain the frontend, backend and database layers of this application.
2. How is user authentication and authorisation implemented?
3. Describe the main database tables / collections and their relationships.
4. Which REST APIs or routes are exposed and what do they return?
5. How would you deploy this application to production?

9. Source Code & License

This project is developed by ali-bouali and published on GitHub under the Apache License 2.0. Please follow the license terms and credit the original author when you use or modify this code.