Spring Boot JWT Authentication example with Spring Security & Spring Data JPA

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:

Dependency

– If you want to use PostgreSQL:

<dependency>
  <groupId>org.postgresql</groupId>
  <artifactId>postgresql</artifactId>
  <scope>runtime</scope>
</dependency>

– or MySQL:

<dependency>
  <groupId>com.mysql</groupId>
  <artifactId>mysql-connector-j</artifactId>
  <scope>runtime</scope>
</dependency>

Configure Spring Datasource, JPA, App properties

Open src/main/resources/application.properties

• For PostgreSQL:

spring.datasource.url= jdbc:postgresql://host.docker.internal: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
nrapendra.app.jwtSecret=580b4613e846959bc75076eea4fdcda2f83b4fe89265d04ae78c86fdf48bc1c6
nrapendra.app.jwtExpirationMs= 86400000

• For MySQL

spring.datasource.url=jdbc:mysql://host.docker.internal:3306/testdb_spring?useSSL=false
spring.datasource.username=root
spring.datasource.password=123456

spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQLDialect
spring.jpa.hibernate.ddl-auto=update

# App Properties
nrapendra.app.jwtSecret=580b4613e846959bc75076eea4fdcda2f83b4fe89265d04ae78c86fdf48bc1c6
nrapendra.app.jwtExpirationMs=86400000

Run Spring Boot application

mvn spring-boot:run

Run following SQL insert statements

INSERT INTO roles(id,name) VALUES(1,'ROLE_USER');
INSERT INTO roles(id,name) VALUES(2,'ROLE_MODERATOR');
INSERT INTO roles(id,name) VALUES(3,'ROLE_ADMIN');

For more detail, please visit: