docker-compose with 3 kafka instances in cluster + 3 zookeepers

docker-compose.yml

version: '2'

networks:
  kafka:
    driver: bridge

services:
  zookeeper-1:
    image: confluentinc/cp-zookeeper:latest
    hostname: zookeeper-1
    container_name: zookeeper-1
    networks: 
      - kafka
    ports:
      - "12181:12181"
    environment:
      ZOOKEEPER_SERVER_ID: 1
      ZOOKEEPER_CLIENT_PORT: 12181
      ZOOKEEPER_TICK_TIME: 2000
      ZOOKEEPER_INIT_LIMIT: 5
      ZOOKEEPER_SYNC_LIMIT: 2
      ZOOKEEPER_SERVERS: zookeeper-1:12888:13888;zookeeper-2:22888:23888;zookeeper-3:32888:33888

  zookeeper-2:
    image: confluentinc/cp-zookeeper:latest
    hostname: zookeeper-2
    container_name: zookeeper-2
    networks: 
      - kafka
    ports:
      - "22181:22181"
    environment:
      ZOOKEEPER_SERVER_ID: 2
      ZOOKEEPER_CLIENT_PORT: 22181
      ZOOKEEPER_TICK_TIME: 2000
      ZOOKEEPER_INIT_LIMIT: 5
      ZOOKEEPER_SYNC_LIMIT: 2
      ZOOKEEPER_SERVERS: zookeeper-1:12888:13888;zookeeper-2:22888:23888;zookeeper-3:32888:33888

  zookeeper-3:
    image: confluentinc/cp-zookeeper:latest
    hostname: zookeeper-3
    container_name: zookeeper-3
    networks: 
      - kafka
    ports:
      - "32181:32181"
    environment:
      ZOOKEEPER_SERVER_ID: 3
      ZOOKEEPER_CLIENT_PORT: 32181
      ZOOKEEPER_TICK_TIME: 2000
      ZOOKEEPER_INIT_LIMIT: 5
      ZOOKEEPER_SYNC_LIMIT: 2
      ZOOKEEPER_SERVERS: zookeeper-1:12888:13888;zookeeper-2:22888:23888;zookeeper-3:32888:33888

  kafka-1:
    image: confluentinc/cp-kafka:latest
    hostname: kafka-1
    container_name: kafka-1
    networks: 
      - kafka
    depends_on:
      - zookeeper-1
      - zookeeper-2
      - zookeeper-3
    ports:
      - "19092:19092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:12181,zookeeper-2:22181,zookeeper-3:32181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT_HOST://localhost:19092,PLAINTEXT://kafka-1:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3

  kafka-2:
    image: confluentinc/cp-kafka:latest
    hostname: kafka-2
    container_name: kafka-2
    networks: 
      - kafka
    depends_on:
      - zookeeper-1
      - zookeeper-2
      - zookeeper-3
    ports:
      - "29092:29092"
    environment:
      KAFKA_BROKER_ID: 2
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:12181,zookeeper-2:22181,zookeeper-3:32181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT_HOST://localhost:29092,PLAINTEXT://kafka-2:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3

  kafka-3:
    image: confluentinc/cp-kafka:latest
    hostname: kafka-3
    container_name: kafka-3
    networks: 
      - kafka
    depends_on:
      - zookeeper-1
      - zookeeper-2
      - zookeeper-3
    ports:
      - "39092:39092"
    environment:
      KAFKA_BROKER_ID: 3
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:12181,zookeeper-2:22181,zookeeper-3:32181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT_HOST://localhost:39092,PLAINTEXT://kafka-3:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3