docker compose for es 6.7

es-cluster.yml

version: "3.6"
services:
  elasticsearch1:
    image: elasticsearch:6.7.1
    environment:
      - node.name=es01
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms5g -Xmx5g"
      - "discovery.zen.ping.unicast.hosts=elasticsearch"
    ulimits:
      nproc: 65535
      memlock:
        soft: -1
        hard: -1
    cap_add:
      - ALL
    privileged: true
    volumes:
      - esdata1:/usr/share/elasticsearch/data
    ports:
      - 8201:9200
    network_mode: internal
  elasticsearch2:
    image: elasticsearch:6.7.1
    environment:
      - node.name=es02
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms5g -Xmx5g"
      - "discovery.zen.ping.unicast.hosts=elasticsearch"
    ulimits:
      nproc: 65535
      memlock:
        soft: -1
        hard: -1
    cap_add:
      - ALL
    privileged: true
    ports:
      - 8202:9200
    network_mode: internal
    volumes:
      - esdata2:/usr/share/elasticsearch/data
  elasticsearch3:
    image: elasticsearch:6.7.1
    environment:
      - node.name=es03
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms5g -Xmx5g"
      - "discovery.zen.ping.unicast.hosts=elasticsearch"
    ulimits:
      nproc: 65535
      memlock:
        soft: -1
        hard: -1
    cap_add:
      - ALL
    privileged: true
    ports:
      - 8203:9200
    network_mode: internal
    volumes:
      - esdata3:/usr/share/elasticsearch/data
  elasticsearch4:
    image: elasticsearch:6.7.1
    environment:
      - node.name=es04
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms5g -Xmx5g"
      - "discovery.zen.ping.unicast.hosts=elasticsearch"
    ulimits:
      nproc: 65535
      memlock:
        soft: -1
        hard: -1
    cap_add:
      - ALL
    privileged: true
    ports:
      - 8204:9200
    network_mode: internal
    volumes:
      - esdata4:/usr/share/elasticsearch/data
  elasticsearch5:
    image: elasticsearch:6.7.1
    environment:
      - node.name=es05
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms5g -Xmx5g"
      - "discovery.zen.ping.unicast.hosts=elasticsearch"
    ulimits:
      nproc: 65535
      memlock:
        soft: -1
        hard: -1
    cap_add:
      - ALL
    privileged: true
    ports:
      - 8205:9200
    network_mode: internal
    volumes:
      - esdata5:/usr/share/elasticsearch/data
  elasticsearch6:
    image: elasticsearch:6.7.1
    environment:
      - node.name=es06
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms5g -Xmx5g"
      - "discovery.zen.ping.unicast.hosts=elasticsearch"
    ulimits:
      nproc: 65535
      memlock:
        soft: -1
        hard: -1
    cap_add:
      - ALL
    privileged: true
    ports:
      - 8206:9200
    network_mode: internal
    volumes:
      - esdata6:/usr/share/elasticsearch/data
  kibana:
    image: kibana:6.7.1
    environment:
      SERVER_NAME: localhost
      ELASTICSEARCH_URL: http://elasticsearch:9200/
    ports:
      - 6601:5601
    network_mode: internal
    ulimits:
      nproc: 65535
      memlock:
        soft: -1
        hard: -1
    cap_add:
      - ALL
volumes:
  esdata1:
  esdata2:
  esdata3:
  esdata4:
  esdata5:
  esdata6:

create an internal network first

docker network create -o com.docker.network.bridge.host_binding_ipv4=10.65.136.94 internal