dockerhub kafka code example

Example: kafka docker

### ===================
  ### ZOOKEEPER SERVICE
  ### ===================
  zookeeper:
    image: confluentinc/cp-zookeeper:latest
    restart: always
    healthcheck:
      interval: 120ms
      retries: 5
      start_period: 60ms
      test: |
        touch /tmp/healthcheck.txt &&
        mkdir /tmp/healthcheck &&
        mv /tmp/healthcheck.txt /tmp/healthcheck &&
        cd /tmp/healthcheck &&
        echo "hello my docker container is working fine" >> healthcheck.txt &&
        cat healthcheck.txt &&
        rm healthcheck.txt &&
        cd .. &&
        rmdir /tmp/healthcheck
        cls
      timeout: 30ms
    environment:
      - ZOOKEEPER_SERVER_ID=1
      - ZOOKEEPER_CLIENT_PORT=2181
      - ZOOKEEPER_TICK_TIMES=2000
      - ZOOKEEPER_SYNC_LIMIT=2
    ports:
      - 2181:2181
    volumes:
      - zk-data:/var/lib/zookeper/data
    networks:
      - restapi_network
  ### ====================
  ### KAFKA SERVICE
  ### ====================
  kafka:
    image: confluentinc/cp-kafka:latest
    restart: always
    healthcheck:
      interval: 120ms
      retries: 5
      start_period: 60ms
      test: |
        touch /tmp/healthcheck.txt &&
        mkdir /tmp/healthcheck &&
        mv /tmp/healthcheck.txt /tmp/healthcheck &&
        cd /tmp/healthcheck &&
        echo "hello my docker container is working fine" >> healthcheck.txt &&
        cat healthcheck.txt &&
        rm healthcheck.txt &&
        cd .. &&
        rmdir /tmp/healthcheck
        cls
      timeout: 30ms
    environment:
      - KAFKA_BROKER_ID=1
      - KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181
      - KAFKA_ADVERTISED_LISTENERS=LISTENER_DOCKER_INTERNAL://kafka:19092,LISTENER_DOCKER_EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:9092
      - KAFKA_LISTENER_SECURITY_PROTOCOL_MAP=LISTENER_DOCKER_INTERNAL:PLAINTEXT,LISTENER_DOCKER_EXTERNAL:PLAINTEXT
      - KAFKA_INTER_BROKER_LISTENER_NAME=LISTENER_DOCKER_INTERNAL
      - KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR=1
    ports:
      - 9092:9092
    volumes:
      - kf-data:/var/lib/kafka/data
    networks:
      - restapi_network
    depends_on:
      - zookeeper
  ### ========================
  ### VOLUMES PERSISTENT DATA
  ### ========================
volumes:
  zk-data:
  kf-data:
  ### ===================================
  ### NETWORKS GROUP FOR ONE SAME SERVICE
  ### ===================================
networks:
  restapi_network: