1. enabling spring sequrity
2. Configure Spring Sequrity

by adding spring-boot-starter-sequrity security added.

제공하는것이 무엇인가?(혹은 특징)

• require authentication for all http request.
• only one user(user name = "user")
• prompt http authentication

to do in this chapter

1. login page
2. sign in page
3. apply different sequrity rules for different request path.

basic configuration looks like..

import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;

@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter{
    ...
}

by override WebSecurityConfigurerAdapter:configure, you can customize user store.

look at documents