docker-compose.yml

version: '3.9'

services:
  db:
    image: mysql
    platform: linux/x86_64
    build:
      context: ./db
      dockerfile: mysql-dockerfile
    environment:
      MYSQL_ALLOW_EMPTY_PASSWORD: 'yes'
      TZ: 'Asia/Seoul'
    ports:
      - "3307:3306"

  redis:
    container_name: redis
    image: redis
    ports:
      - "6479:6379"

  zookeeper-1:
    container_name: zookeeper-1
    hostname: zookeeper1
    image: wurstmeister/zookeeper:latest
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_SERVER_ID: 1
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_SERVERS: zookeeper1:2888:3888;zookeeper2:2888:3888;zookeeper3:2888:3888
      # 왼쪽 port가 리더 승격을 위한, 투표 포트, 오른쪽이 데이터 송수신을 위한 포트
    networks:
      - kafka-net

  zookeeper-2:
    container_name: zookeeper-2
    hostname: zookeeper2
    image: wurstmeister/zookeeper:latest
    ports:
      - "2182:2182"
    environment:
      ZOOKEEPER_SERVER_ID: 2
      ZOOKEEPER_CLIENT_PORT: 2182
      ZOOKEEPER_SERVERS: zookeeper1:2888:3888;zookeeper2:2888:3888;zookeeper3:2888:3888
    networks:
      - kafka-net

  zookeeper-3:
    container_name: zookeeper-3
    hostname: zookeeper3
    image: wurstmeister/zookeeper:latest
    ports:
      - "2183:2183"
    environment:
      ZOOKEEPER_SERVER_ID: 3
      ZOOKEEPER_CLIENT_PORT: 2183
      ZOOKEEPER_SERVERS: zookeeper1:2888:3888;zookeeper2:2888:3888;zookeeper3:2888:3888
    networks:
      - kafka-net

  kafka-1:
    container_name: kafka-1
    hostname: kafka1
    image: wurstmeister/kafka:latest
    depends_on:
      - zookeeper-1
      - zookeeper-2
      - zookeeper-3
    ports:
      - "9092:9092"
      - "19092:19092"
    environment:
      KAFKA_LISTENERS: INSIDE://0.0.0.0:19092,OUTSIDE://0.0.0.0:9092
      KAFKA_ADVERTISED_LISTENERS: INSIDE://kafka1:19092,OUTSIDE://localhost:9092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper1:2181,zookeeper2:2182,zookeeper3:2183"
      KAFKA_BROKER_ID: 1
      KAFKA_LOG4J_LOGGERS: "kafka.controller=INFO,kafka.producer.async.DefaultEventHandler=INFO,state.change.logger=INFO"
    networks:
      - kafka-net

  kafka-2:
    container_name: kafka-2
    hostname: kafka2
    image: wurstmeister/kafka:latest
    depends_on:
      - zookeeper-1
      - zookeeper-2
      - zookeeper-3
    ports:
      - "9093:9093"
      - "29092:29092"
    environment:
      KAFKA_LISTENERS: INSIDE://0.0.0.0:29092,OUTSIDE://0.0.0.0:9093
      KAFKA_ADVERTISED_LISTENERS: INSIDE://kafka2:29092,OUTSIDE://localhost:9093
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper1:2181,zookeeper2:2182,zookeeper3:2183"
      KAFKA_BROKER_ID: 2
      KAFKA_LOG4J_LOGGERS: "kafka.controller=INFO,kafka.producer.async.DefaultEventHandler=INFO,state.change.logger=INFO"
    networks:
      - kafka-net

  kafka-3:
    container_name: kafka-3
    hostname: kafka3
    image: wurstmeister/kafka:latest
    depends_on:
      - zookeeper-1
      - zookeeper-2
      - zookeeper-3
    ports:
      - "9094:9094"
      - "39092:39092"
    environment:
      KAFKA_LISTENERS: INSIDE://0.0.0.0:39092,OUTSIDE://0.0.0.0:9094
      KAFKA_ADVERTISED_LISTENERS: INSIDE://kafka3:39092,OUTSIDE://localhost:9094
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper1:2181,zookeeper2:2182,zookeeper3:2183"
      KAFKA_BROKER_ID: 3
      KAFKA_LOG4J_LOGGERS: "kafka.controller=INFO,kafka.producer.async.DefaultEventHandler=INFO,state.change.logger=INFO"
    networks:
      - kafka-net

  # Kafka 모니터링 툴
  akhq:
    image: tchiotludo/akhq:latest
    hostname: akhq
    depends_on:
      - zookeeper-1
      - zookeeper-2
      - zookeeper-3
      - kafka-1
      - kafka-2
      - kafka-3
    environment:
      AKHQ_CONFIGURATION: |
        akhq:
          connections:
            kafka:
              properties:
                bootstrap.servers: kafka1:19092,kafka2:29092,kafka3:39092
    ports:
      - "8083:8080"
    networks:
        - kafka-net

networks:
  kafka-net:
    external: true