Step 7: Kafka 이벤트 시스템 구현

- Kafka 및 Zookeeper 컨테이너 추가
- 공유 Kafka 라이브러리 생성 (Producer/Consumer)
- 이벤트 타입 정의 및 이벤트 모델 구현
- Users 서비스에 이벤트 발행 기능 추가 (USER_CREATED, USER_UPDATED, USER_DELETED)
- PROGRESS.md 및 PLAN.md 문서 생성
- aiokafka 통합 완료

docker-compose.yml

@@ -46,13 +46,17 @@ services:
       - PORT=8000
       - MONGODB_URL=${MONGODB_URL}
       - DB_NAME=${USERS_DB_NAME}
+      - KAFKA_BOOTSTRAP_SERVERS=${KAFKA_BOOTSTRAP_SERVERS}
+      - KAFKA_GROUP_ID=${KAFKA_GROUP_ID}
     volumes:
       - ./services/users/backend:/app
+      - ./shared:/app/shared
     networks:
       - site11_network
     restart: unless-stopped
     depends_on:
       - mongodb
+      - kafka
 
   images-backend:
     build:
@@ -113,6 +117,52 @@ services:
       timeout: 5s
       retries: 5
 
+  zookeeper:
+    image: confluentinc/cp-zookeeper:7.5.0
+    container_name: ${COMPOSE_PROJECT_NAME}_zookeeper
+    environment:
+      ZOOKEEPER_CLIENT_PORT: 2181
+      ZOOKEEPER_TICK_TIME: 2000
+    ports:
+      - "${KAFKA_ZOOKEEPER_PORT}:2181"
+    volumes:
+      - zookeeper_data:/var/lib/zookeeper/data
+      - zookeeper_logs:/var/lib/zookeeper/log
+    networks:
+      - site11_network
+    restart: unless-stopped
+
+  kafka:
+    image: confluentinc/cp-kafka:7.5.0
+    container_name: ${COMPOSE_PROJECT_NAME}_kafka
+    depends_on:
+      - zookeeper
+    ports:
+      - "${KAFKA_PORT}:9092"
+      - "9101:9101"
+    environment:
+      KAFKA_BROKER_ID: 1
+      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
+      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
+      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
+      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
+      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
+      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
+      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
+      KAFKA_JMX_PORT: 9101
+      KAFKA_JMX_HOSTNAME: localhost
+      KAFKA_AUTO_CREATE_TOPICS_ENABLE: 'true'
+    volumes:
+      - kafka_data:/var/lib/kafka/data
+    networks:
+      - site11_network
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "kafka-broker-api-versions", "--bootstrap-server", "localhost:9092"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
 networks:
   site11_network:
     driver: bridge
@@ -122,4 +172,7 @@ volumes:
   mongodb_data:
   mongodb_config:
   redis_data:
-  images_cache:
+  images_cache:
+  zookeeper_data:
+  zookeeper_logs:
+  kafka_data: