docker-compose.yml

version: "3.8"

services:
  # 1. Redis (Cache & Buffer)
  redis:
    image: redis:alpine
    container_name: withy-redis
    ports:
      - "6379:6379"
    command: redis-server --appendonly yes # AOF 활성화 (데이터 지속성)

  # 2. RedisInsight (Redis GUI)
  redis-insight:
    image: redislabs/redisinsight:latest
    container_name: withy-redis-gui
    ports:
      - "5540:5540" # 접속: http://localhost:5540
    depends_on:
      - redis

  # 3. Zookeeper (Kafka Coordinator)
  zookeeper:
    image: confluentinc/cp-zookeeper:7.6.0
    container_name: withy-zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - "2181:2181"

  # 4. Kafka (Message Broker)
  kafka:
    image: confluentinc/cp-kafka:7.6.0
    container_name: withy-kafka
    depends_on:
      - zookeeper
    ports:
      - "9093:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      # 로컬 개발용 외부 접속 설정
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://localhost:9093,PLAINTEXT_INTERNAL://kafka:29092
      KAFKA_LISTENERS: PLAINTEXT://0.0.0.0:9092,PLAINTEXT_INTERNAL://0.0.0.0:29092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_INTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT_INTERNAL
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1

  # 5. Kafka UI (Kafka GUI)
  kafka-ui:
    image: provectuslabs/kafka-ui:latest
    container_name: withy-kafka-gui
    ports:
      - "8090:8080" # 접속: http://localhost:8090
    depends_on:
      - kafka
    environment:
      KAFKA_CLUSTERS_0_NAME: local
      KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: kafka:29092
      KAFKA_CLUSTERS_0_ZOOKEEPER: zookeeper:2181