.authorizeHttpRequests(authorize -> authorize
                        .requestMatchers("/").permitAll()
                        .requestMatchers("/login").permitAll()
                        .requestMatchers("/error/**").permitAll()
                        .requestMatchers("/admin/**").hasAuthority("ROLE_ADMIN")

public Member toEntity(MemberRequest.JoinDTO request) {
        return Member.builder()
                .email(request.getEmail())
                .name(request.getName())
                .joinYear(request.getJoinYear())
                .roleType(RoleType.ROLE_USER) //회원가입은 무조건 User로만 가능
                .build();
    }

@MappedSuperclass
@EntityListeners(AuditingEntityListener.class)
public abstract class BaseRDBEntity {

    @CreatedDate
    @Column(updatable = false)
    @Getter
    private LocalDateTime createdAt;

    @LastModifiedDate
    private LocalDateTime updatedAt;
}

@Target(ElementType.PARAMETER)
@Retention(RetentionPolicy.RUNTIME)
@AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member")
public @interface LoginMember {
}

@GetMapping("/single")
public ApiResponse<DetailInfoDTO> getCourse(
        @LoginMember Member member,
        @RequestBody CourseRequest.SimpleInfoDTO request) {}