관련 Dto 생성 -> controller 생성 -> filterchain 설정(접속권한 부여) DTO 생성 @Data public class LoginDto { private String usernameOrEmail; private String password; } @Data public class SignUpDto { private String name; private String username; private String email; private String password; } AuthController 생성 @RestController @RequestMapping("/api/auth") public class AuthController { @Autowired AuthenticationMana..