

spring-boot-starter-validation@Table(name), @Column(name) 명시@Builder.Default 사용@RequestArgsConstructor 사용@Transactional(readOnly = true) 옵션 사용,
DB를 제어하는 메소드에 @Transactionalconfig
common ㄴ BaseEntity ㄴ Exception ㄴ CursorResult ㄴ S3Service
domain ㄴ controller ㄴ service ㄴ entity ㄴ dto ㄴ repository ㄴ converter