Kafka Cluster with 3 brokers and 1 Zookeeper

kafka-3.docker-compose.yaml

version: '3.8'
services:
    # ZOOKEEPER
    zookeeper:
      container_name: "zookeeper"
      image: confluentinc/cp-zookeeper:${CF_TAG}
      environment:
        ZOOKEEPER_CLIENT_PORT: 2181
        ZOOKEEPER_TICK_TIME: 2000
        # ENABLE 4LW COMMANDS FROM EVERYWHERE
        # ZOOKEEPER JMX MONITORING 
        KAFKA_JMX_PORT: 40001
        KAFKA_JMX_HOSTNAME: localhost
        # ENABLE SASL 
        KAFKA_OPTS: "-Dzookeeper.4lw.commands.whitelist=*"
      ports:
        - 2181:2181
        - 40001:40001
      cap_add:
        - NET_ADMIN
    # KAFKA BROKER 1
    kafka-1:
      container_name: "kafka-1"
      image: confluentinc/cp-server:${CF_TAG}
      hostname: kafka-1
      depends_on:
        - zookeeper
        # KAFKA SECURITY CONFIGURATION  
      environment:
        KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
        KAFKA_LISTENERS: "INTERNAL://:9092, EXTERNAL://:19092"
        KAFKA_ADVERTISED_LISTENERS: "INTERNAL://kafka-1:9092, EXTERNAL://localhost:19092"
        KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: "INTERNAL:PLAINTEXT, EXTERNAL:PLAINTEXT"
        KAFKA_INTER_BROKER_LISTENER_NAME: "INTERNAL"
        # KAFKA BROKER ID
        KAFKA_BROKER_ID: "1"
        # KAFKA GENERAL CONFIGURATION
        KAFKA_DELETE_TOPIC_ENABLE: "true"
        # KAFKA JMX MONITORING 
        #KAFKA_OPTS: "-Djava.security.auth.login.config=/etc/kafka/kafka.sasl.jaas.conf"
      ports:
        - 19092:19092
      cap_add:
        - NET_ADMIN
    # KAFKA BROKER 2
    kafka-2:
      container_name: "kafka-2"
      image: confluentinc/cp-server:${CF_TAG}
      hostname: kafka-2
      depends_on:
        - zookeeper
        # KAFKA SECURITY CONFIGURATION  
      environment:
        KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
        KAFKA_LISTENERS: "INTERNAL://:9092, EXTERNAL://:29092"
        KAFKA_ADVERTISED_LISTENERS: "INTERNAL://kafka-2:9092, EXTERNAL://localhost:29092"
        KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: "INTERNAL:PLAINTEXT, EXTERNAL:PLAINTEXT"
        KAFKA_INTER_BROKER_LISTENER_NAME: "INTERNAL"
        # KAFKA BROKER ID
        KAFKA_BROKER_ID: "2"
        # KAFKA GENERAL CONFIGURATION
        KAFKA_DELETE_TOPIC_ENABLE: "true"
        # KAFKA JMX MONITORING 
        #KAFKA_OPTS: "-Djava.security.auth.login.config=/etc/kafka/kafka.sasl.jaas.conf"
      ports:
        - 29092:29092
      cap_add:
        - NET_ADMIN
    # KAFKA BROKER 3
    kafka-3:
      container_name: "kafka-3"
      image: confluentinc/cp-server:${CF_TAG}
      hostname: kafka-3
      depends_on:
        - zookeeper
        # KAFKA SECURITY CONFIGURATION  
      environment:
        KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
        KAFKA_LISTENERS: "INTERNAL://:9092, EXTERNAL://:39092"
        KAFKA_ADVERTISED_LISTENERS: "INTERNAL://kafka-3:9092, EXTERNAL://localhost:39092"
        KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: "INTERNAL:PLAINTEXT, EXTERNAL:PLAINTEXT"
        KAFKA_INTER_BROKER_LISTENER_NAME: "INTERNAL"
        # KAFKA BROKER ID
        KAFKA_BROKER_ID: "3"
        # KAFKA GENERAL CONFIGURATION
        KAFKA_DELETE_TOPIC_ENABLE: "true"
        # KAFKA JMX MONITORING 
        #KAFKA_OPTS: "-Djava.security.auth.login.config=/etc/kafka/kafka.sasl.jaas.conf"
      ports:
        - 39092:39092
      cap_add:
        - NET_ADMIN

kafka-3.env

CF_TAG="7.2.1"