Spring Security is widely used to enable authentication and authorization, using many different mechanisms such as form-based logic, header-based login (Basic), and so on. In this application, we will be protecting the User Registration microservice. Consider the following code:
<dependencies>
...
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
...
</dependencies>
The preceding entries will import all the dependencies related to Spring Security. Now, let's look at the configuration:
@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Bean
public PasswordEncoder passwordEncoder() {
return new SCryptPasswordEncoder...
