Spring Boot, Spring Security, PostgreSQL: JWT Authentication & Authorization example

User Registration, User Login and Authorization process.

The diagram shows flow of how we implement User Registration, User Login and Authorization process.

Spring Boot Server Architecture with Spring Security

You can have an overview of our Spring Boot Server with the diagram below:

For more detail, please visit:

Spring Boot, Spring Security, PostgreSQL: JWT Authentication & Authorization example

For MySQL

For MongoDB

Refresh Token

For instruction: Spring Boot Refresh Token with JWT example

Fullstack Authentication

Spring Boot + Vue.js JWT Authentication

Spring Boot + Angular 8 JWT Authentication

Spring Boot + Angular 10 JWT Authentication

Spring Boot + Angular 11 JWT Authentication

Spring Boot + React JWT Authentication

Fullstack CRUD App

Vue.js + Spring Boot + MySQL/PostgreSQL example

Angular 8 + Spring Boot + MySQL example

Angular 8 + Spring Boot + PostgreSQL example

Angular 10 + Spring Boot + MySQL example

Angular 10 + Spring Boot + PostgreSQL example

Angular 11 + Spring Boot + MySQL example

Angular 11 + Spring Boot + PostgreSQL example

React + Spring Boot + MySQL example

React + Spring Boot + PostgreSQL example

Run both Back-end & Front-end in one place:

Integrate Angular with Spring Boot Rest API

Integrate React.js with Spring Boot Rest API

Integrate Vue.js with Spring Boot Rest API

More Practice:

Spring Boot File upload example with Multipart File

Exception handling: @RestControllerAdvice example in Spring Boot

Spring Boot Repository Unit Test with @DataJpaTest

Deploy Spring Boot App on AWS – Elastic Beanstalk

Secure Spring Boot App with Spring Security & JWT Authentication

Dependency

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
		
<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-security</artifactId>
</dependency>
		
<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
	<groupId>org.postgresql</groupId>
	<artifactId>postgresql</artifactId>
	<scope>runtime</scope>
</dependency>
		
<dependency>
	<groupId>io.jsonwebtoken</groupId>
	<artifactId>jjwt</artifactId>
	<version>0.9.1</version>
</dependency>

Configure Spring Datasource, JPA, App properties

Open src/main/resources/application.properties

spring.datasource.url= jdbc:postgresql://localhost:5432/testdb
spring.datasource.username= postgres
spring.datasource.password= 123

spring.jpa.properties.hibernate.jdbc.lob.non_contextual_creation= true
spring.jpa.properties.hibernate.dialect= org.hibernate.dialect.PostgreSQLDialect

# Hibernate ddl auto (create, create-drop, validate, update)
spring.jpa.hibernate.ddl-auto= update

# App Properties
bezkoder.app.jwtSecret= bezKoderSecretKey
bezkoder.app.jwtExpirationMs= 86400000

Run Spring Boot application

mvn spring-boot:run

Run following SQL insert statements

INSERT INTO roles(name) VALUES('ROLE_USER');
INSERT INTO roles(name) VALUES('ROLE_MODERATOR');
INSERT INTO roles(name) VALUES('ROLE_ADMIN');