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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
  1. Run the project:
mvn spring-boot:run
  1. 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.