docker-compose.yml

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:latest
    container_name: zookeeper
    hostname: zookeeper
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  kafka1:
    image: confluentinc/cp-kafka:latest
    container_name: kafka1
    hostname: kafka1
    ports:
      - "19092:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: LISTENER_DOCKER_INTERNAL://kafka1:9092,LISTENER_DOCKER_EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:19092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: LISTENER_DOCKER_INTERNAL:PLAINTEXT,LISTENER_DOCKER_EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: LISTENER_DOCKER_INTERNAL
      KAFKA_LOG4J_ROOT_LOGLEVEL: INFO
      KAFKA_CONFLUENT_SUPPORT_METRICS_ENABLE: "false"
    depends_on:
      - zookeeper

  kafka2:
    image: confluentinc/cp-kafka:latest
    container_name: kafka2
    hostname: kafka2
    ports:
      - "29092:9092"
    environment:
      KAFKA_BROKER_ID: 2
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: LISTENER_DOCKER_INTERNAL://kafka2:9092,LISTENER_DOCKER_EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:29092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: LISTENER_DOCKER_INTERNAL:PLAINTEXT,LISTENER_DOCKER_EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: LISTENER_DOCKER_INTERNAL
      KAFKA_CONFLUENT_SUPPORT_METRICS_ENABLE: "false"
      KAFKA_LOG4J_ROOT_LOGLEVEL: INFO
    depends_on:
      - zookeeper

  kafka3:
    image: confluentinc/cp-kafka:latest
    container_name: kafka3
    hostname: kafka3
    ports:
      - "39092:9092"
    environment:
      KAFKA_BROKER_ID: 3
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: LISTENER_DOCKER_INTERNAL://kafka3:9092,LISTENER_DOCKER_EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:39092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: LISTENER_DOCKER_INTERNAL:PLAINTEXT,LISTENER_DOCKER_EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: LISTENER_DOCKER_INTERNAL
      KAFKA_CONFLUENT_SUPPORT_METRICS_ENABLE: "false"
      KAFKA_LOG4J_ROOT_LOGLEVEL: INFO
    depends_on:
      - zookeeper

  kafka4:
    image: confluentinc/cp-kafka:latest
    container_name: kafka4
    hostname: kafka4
    ports:
      - "49092:9092"
    environment:
      KAFKA_BROKER_ID: 4
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: LISTENER_DOCKER_INTERNAL://kafka4:9092,LISTENER_DOCKER_EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:49092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: LISTENER_DOCKER_INTERNAL:PLAINTEXT,LISTENER_DOCKER_EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: LISTENER_DOCKER_INTERNAL
      KAFKA_CONFLUENT_SUPPORT_METRICS_ENABLE: "false"
      KAFKA_LOG4J_ROOT_LOGLEVEL: INFO
    depends_on:
      - zookeeper