Elasticsearch cluster docker-compose for my work. Use ES 5.6.9

elasticsearch_docker-compose.yml

version: '2.2'
services:
  kibana:
    image: docker.elastic.co/kibana/kibana:5.6.9
    container_name: kibana
    volumes:
      - ./kibana.yml:/usr/share/kibana/config/kibana.yml
    ports:
      - 5601:5601
    networks:
      - pcap-analysis
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:5.6.9
    container_name: elasticsearch
    environment:
      - cluster.name=docker-cluster
      - xpack.security.enabled=false
      - bootstrap.memory_lock=true
      - "indices.fielddata.cache.size=75%"
      - "discovery.zen.minimum_master_nodes=1"
      - "ES_HEAP_SIZE:16g"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - esdata1:/usr/share/elasticsearch/data
      - ./elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml:ro
    ports:
      - 9200:9200
    networks:
      - pcap-analysis
  elasticsearch2:
    image: docker.elastic.co/elasticsearch/elasticsearch:5.6.9
    container_name: elasticsearch2
    environment:
      - cluster.name=docker-cluster
      - xpack.security.enabled=false
      - bootstrap.memory_lock=true
      - "discovery.zen.ping.unicast.hosts=elasticsearch"
      - "ES_HEAP_SIZE:8g"
      - "indices.fielddata.cache.size:75%"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - esdata2:/usr/share/elasticsearch/data
    networks:
      - pcap-analysis
  elasticsearch3:
    image: docker.elastic.co/elasticsearch/elasticsearch:5.6.9
    container_name: elasticsearch3
    environment:
      - cluster.name=docker-cluster
      - xpack.security.enabled=false
      - bootstrap.memory_lock=true
      - "discovery.zen.ping.unicast.hosts=elasticsearch"
      - "ES_HEAP_SIZE:8g"
      - "indices.fielddata.cache.size:75%"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - esdata3:/usr/share/elasticsearch/data
    networks:
      - pcap-analysis
  elasticsearch4:
    image: docker.elastic.co/elasticsearch/elasticsearch:5.6.9
    container_name: elasticsearch4
    environment:
      - cluster.name=docker-cluster
      - xpack.security.enabled=false
      - bootstrap.memory_lock=true
      - "discovery.zen.ping.unicast.hosts=elasticsearch"
      - "ES_HEAP_SIZE:8g"
      - "indices.fielddata.cache.size:75%"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - esdata4:/usr/share/elasticsearch/data
    networks:
      - pcap-analysis

volumes:
  esdata1:
    driver: local
    driver_opts:
      type: 'none'
      o: 'bind'
      device: '/mnt/es_storage/esdata1'
  esdata2:
    driver: local
    driver_opts:
      type: 'none'
      o: 'bind'
      device: '/mnt/es_storage/esdata2'
  esdata3:
    driver: local
    driver_opts:
      type: 'none'
      o: 'bind'
      device: '/mnt/es_storage/esdata3'
  esdata4:
    driver: local
    driver_opts:
      type: 'none'
      o: 'bind'
      device: '/mnt/es_storage/esdata4'

networks:
  pcap-analysis:
    external: true