chore : SecurityConfig RoleHierarchy 추가

Author: X1n9fU

src/main/java/inu/codin/codin/global/config/SecurityConfig.java

@@ -7,6 +7,8 @@
 import lombok.RequiredArgsConstructor;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.security.access.hierarchicalroles.RoleHierarchy;
+import org.springframework.security.access.hierarchicalroles.RoleHierarchyImpl;
 import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
@@ -55,6 +57,11 @@ public SecurityFilterChain filterChain(HttpSecurity http, CorsConfigurationSourc
                 .build();
     }
 
+    @Bean
+    public RoleHierarchy roleHierarchy() {
+        return RoleHierarchyImpl.fromHierarchy("ROLE_ADMIN > ROLE_MANAGER > ROLE_USER");
+    }
+
     @Bean
     public CorsConfigurationSource corsConfigurationSource() {
         CorsConfiguration config = new CorsConfiguration();