-- kafka-ui 설치
``` shell

version: '3.8'

services:
  zookeeper2:
    image: confluentinc/cp-zookeeper:latest
    restart: unless-stopped
    hostname: zookeeper2
    container_name: zookeeper2
    extra_hosts:
      - "datanode1:118.220.143.175"
      - "datanode2:118.220.143.176"      
      - "datanode3:118.220.143.176"
    environment:
      ZOOKEEPER_SERVER_ID: 2
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
      ZOOKEEPER_INIT_LIMIT: 5
      ZOOKEEPER_SYNC_LIMIT: 2
      ZOOKEEPER_SERVERS: datanode1:2888:3888;zookeeper2:2888:3888;zookeeper3:22888:33888
      ZOOKEEPER_MAX_CLIENT_CNXNS: 60
      #ZOOKEEPER_DATA_DIR: /var/lib/zookeeper2 
      #LOG_DIR: /var/log/zookeeper2
    volumes:
      - "~/zk-cluster/zookeeper2/data:/data"
    #network_mode: host
    networks:
      - kafka-cluster-net
    ports:
      - "2181:2181"
      - "2888:2888"
      - "3888:3888"    

  zookeeper3:
    image: confluentinc/cp-zookeeper:latest
    restart: unless-stopped
    hostname: zookeeper3
    container_name: zookeeper3
    extra_hosts:
      - "datanode1:118.220.143.175"
      - "datanode2:118.220.143.176"
      - "datanode3:118.220.143.176"
    environment:
      ZOOKEEPER_SERVER_ID: 3
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
      ZOOKEEPER_INIT_LIMIT: 5
      ZOOKEEPER_SYNC_LIMIT: 2
      ZOOKEEPER_SERVERS: datanode1:2888:3888;zookeeper2:2888:3888;zookeeper3:22888:33888
      ZOOKEEPER_MAX_CLIENT_CNXNS: 60
      #ZOOKEEPER_DATA_DIR: /var/lib/zookeeper2
      #LOG_DIR: /var/log/zookeeper2
    volumes:
      - "~/zk-cluster/zookeeper3/data:/data"
    #network_mode: host
    networks:
      - kafka-cluster-net
    ports:
      - "2182:2181"
      - "22888:22888"
      - "33888:33888"

  kafka2:
    image: confluentinc/cp-kafka:latest
    restart: unless-stopped
    hostname: kafka2
    container_name: kafka2
    extra_hosts:
      - "datanode1:118.220.143.175"
      - "datanode2:118.220.143.176"      
      - "datanode3:118.220.143.176"
    environment:
      KAFKA_BROKER_ID: 2
      KAFKA_LISTENERS: PLAINTEXT://0.0.0.0:9091
      KAFKA_ZOOKEEPER_CONNECT: "datanode1:2181,zookeeper2:2181,zookeeper3:2181"
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://118.220.143.176:9091
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
      KAFKA_NUM_PARTITIONS: 1
      KAFKA_LOG4J_LOGGERS: "kafka.authorizer.logger=INFO"
      KAFKA_LOG4J_ROOT_LOGLEVEL: INFO
      KAFKA_DATA_DIR: ~/kafka2
      #KAFKA_LOG_RETENTION_HOURS: 168
      #LOG_DIR: /var/log/kafka
      
    depends_on:
      - zookeeper2
      - zookeeper3
    #network_mode: host
    networks:
      - kafka-cluster-net
    ports:
      - "9091:9091"

  kafka3:
    image: confluentinc/cp-kafka:latest
    restart: unless-stopped
    hostname: kafka3
    container_name: kafka3
    extra_hosts:
      - "datanode1:118.220.143.175"
      - "datanode2:118.220.143.176"
      - "datanode3:118.220.143.176"
    environment:
      KAFKA_BROKER_ID: 3
      KAFKA_LISTENERS: PLAINTEXT://0.0.0.0:9092
      KAFKA_ZOOKEEPER_CONNECT: "datanode1:2181,zookeeper2:2181,zookeeper3:2181"
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://118.220.143.176:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
      KAFKA_NUM_PARTITIONS: 1
      KAFKA_LOG4J_LOGGERS: "kafka.authorizer.logger=INFO"
      KAFKA_LOG4J_ROOT_LOGLEVEL: INFO
      #KAFKA_DATA_DIR: /var/lib/kafka
      #KAFKA_LOG_RETENTION_HOURS: 168
      #LOG_DIR: /var/log/kafka

    depends_on:
      - zookeeper2
      - zookeeper3
    #network_mode: host
    networks:
      - kafka-cluster-net
    ports:
      - "9092:9092"
      
  kafka-ui:
    image: provectuslabs/kafka-ui:latest
    container_name: kafka-ui
    depends_on:
      - kafka2
      - kafka3
    extra_hosts:
      - "datanode1:118.220.143.175"
      - "datanode2:118.220.143.176"     
      - "datanode3:118.220.143.176"
    ports:
      - "9900:8080"
    restart: "no"
    environment:
      - KAFKA_CLUSTERS_0_NAME=test-kafka-cluster
      - KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS=datanode1:9091,datanode2:9091,datanode3:9092
      
  kafdrop:
    image: obsidiandynamics/kafdrop:latest
    hostname: kafdrop
    container_name: kafdrop
    extra_hosts:
      - "datanode1:118.220.143.175"
      - "datanode2:118.220.143.176"     
      - "datanode3:118.220.143.176"
    environment:
      - KAFKA_BROKERCONNECT=datanode1:9091,datanode2:9091,datanode3:9092
    depends_on: 
      - kafka2
    networks:
      - kafka-cluster-net
    ports:
      - "9000:9000"
      
networks:
  kafka-cluster-net:
    name: kafka-cluster-net
    driver: bridge


```