우선, 기본 세팅으로 Entity와 WebSocketConfig를 설정했습니다. EntityChatRoom@Getter@NoArgsConstructor@AllArgsConstructor@Builder@Entity@Table(name = "chat_room")public class ChatRoom extends BaseTimeEntity { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; @Column(name = "title", nullable = false) @Size(min = 1, max = 100) private String title; @Column(name = "is_secr..
