[FEAT] 실시간 채팅 시스템 구현 (WebSocket STOMP + Redis Pub/Sub)#33
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nickhealthy merged 7 commits intodevelopfrom Feb 27, 2026
Merged
[FEAT] 실시간 채팅 시스템 구현 (WebSocket STOMP + Redis Pub/Sub)#33nickhealthy merged 7 commits intodevelopfrom
nickhealthy merged 7 commits intodevelopfrom
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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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개요
WebSocket STOMP 프로토콜과 Redis Pub/Sub을 기반으로 실시간 채팅 시스템을 구현합니다.
스케일 아웃 환경에서도 다중 서버 간 메시지 브로드캐스트가 가능한 구조입니다.
구현 범위
인프라 / 설정
WebSocketConfig— STOMP 엔드포인트/ws, 브로커/topic/queue, 발행 prefix/appStompChannelInterceptor— CONNECT 시 JWT 토큰 검증 후Principal설정SecurityConfig—/ws/**경로 인증 없이 허용 (WebSocket handshake는 STOMP 레이어에서 인증)RedisConfig— JSON 직렬화chatRedisTemplate,RedisMessageListenerContainer추가Redis 실시간 서비스
ChatMessagePublisherchat:room:{roomId}채널로 메시지 발행ChatMessageSubscriberSimpMessagingTemplate으로 STOMP 브로드캐스트PresenceRedisServiceSessionRedisServiceUnreadCountRedisServiceMessageCacheRedisServiceWebSocket 핸들러 (STOMP)
/app/chat/{roomId}/send/app/chat/{roomId}/typing/app/chat/{roomId}/read/app/chat/{roomId}/join/app/chat/{roomId}/leaveREST API
POST/api/chat/roomsGET/api/chat/roomsGET/api/chat/rooms/{roomId}/messages/latestGET/api/chat/rooms/{roomId}/messages/syncafterMessageId기준)GET/api/chat/rooms/{roomId}/messages/beforebeforeMessageId기준)메시지 페이징 전략
createdAt대신 PK(id) 기반 커서 페이징 적용afterMessageId— 재접속 시 누락 복구beforeMessageId— 무한 스크롤 과거 조회커밋 구조
aeab863 feat: WebSocket STOMP 채팅 인프라 설정 (JWT 인터셉터, 보안 설정)
7ab3830 chore: 채팅 기능 공통 인프라 설정 (Redis 템플릿, 스케줄링, 에러코드)
bf52ab5 feat: Redis 기반 실시간 서비스 구현 (Pub/Sub, Presence, 세션, 캐시)
4efd53b feat: 채팅방/참여자 서비스 및 REST API 구현
18cb119 feat: 채팅 메시지 서비스 및 커서 기반 페이징 REST API 구현
105e38f feat: WebSocket STOMP 실시간 메시지 핸들러 구현
테스트
ChatMessageRepositoryTest— 커서 기반 조회 3개 케이스ChatMessageServiceTest— 메시지 전송, 읽음 처리, 커서 페이징ChatRoomServiceTest— 1:1 채팅방 생성, 중복 방지ChatParticipantServiceTest— 참여자 관리, 읽지 않은 메시지 DB 동기화