Spring Boot 3 JWT Security

About

JWT authentication and authorization implementation in a Spring Boot 3.2.3 application using Spring Security and PostgreSQL database to store user credentials.

Implementation is based on Amigoscode and Bouali Ali YouTube tutorial Spring Boot 3 + Spring Security 6 - JWT Authentication and Authorisation but using Java 21, Spring Boot 3.2.3, and newer version of JJWT library.

Find more about Bouali Ali at his YouTube channel

Features

• User registration and authentication with JWT
• Demo authenticated endpoint
• Password encryption with BCrypt
• Role-based authorization with Spring Security

Technologies

• Java 21
• Spring Boot 3.2.3
• Spring Security 6.2.2
• JSON Web Token (JWT) with jjwt library
• BCrypt
• Spring Data JPA
• PostgreSQL
• Lombok
• Maven

Getting Started

Prerequisites

• Java 21
• Maven 3+
• PostgreSQL

Build and Run

1. Clone the repository.
2. Create a PostgreSQL database named jwt_security.
3. Update the application.yml file with your database credentials.
4. Build the project using Maven:

mvn clean install

5. Run the project:

mvn spring-boot:run

6. The application will be running at http://localhost:8080.

Usage

HTTP Client CLI

Find the .http file in the http directory and use it to test the API.

Postman

Import the Postman collection from the http directory.