如何将Keycloak 7与Spring Boot 2集成

<dependency>
    <groupId>org.keycloak</groupId>
    <artifactId>keycloak-spring-boot-starter</artifactId>
    <version>7.0.1</version>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-security</artifactId>
</dependency>

keycloak.realm=myrealm
keycloak.auth-server-url=http://localhost:8080/auth
keycloak.ssl-required=external
keycloak.resource=myclient
keycloak.credentials.secret=myclientsecret

@Configuration
@EnableWebSecurity
@ComponentScan(basePackageClasses = KeycloakSecurityComponents.class)
public class SecurityConfig extends KeycloakWebSecurityConfigurerAdapter {

    @Autowired
    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
        KeycloakAuthenticationProvider keycloakAuthenticationProvider = keycloakAuthenticationProvider();
        keycloakAuthenticationProvider.setGrantedAuthoritiesMapper(new SimpleAuthorityMapper());
        auth.authenticationProvider(keycloakAuthenticationProvider);
    }

    @Bean
    public KeycloakSpringBootConfigResolver keycloakConfigResolver() {
        return new KeycloakSpringBootConfigResolver();
    }

    @Bean
    @Override
    protected SessionAuthenticationStrategy sessionAuthenticationStrategy() {
        return new RegisterSessionAuthenticationStrategy(new SessionRegistryImpl());
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        super.configure(http);
        http.authorizeRequests()
            .antMatchers("/api/public").permitAll()
            .antMatchers("/api/private").hasRole("user")
            .anyRequest().authenticated();
    }
}

@RestController
@RequestMapping("/api")
public class ApiController {

    @GetMapping("/public")
    public String publicEndpoint() {
        return "This is a public endpoint";
    }

    @GetMapping("/private")
    public String privateEndpoint() {
        return "This is a private endpoint";
    }
}