Cluster Docker Composition

docker-compose.yml

version: '3'
services:
  es01:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.8.1
    container_name: es01
    environment:
      - node.name=es01
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es02,es03
      - cluster.initial_master_nodes=es01,es02,es03
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms256m -Xmx256m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
        - data01:/usr/share/elasticsearch/data
    networks:
      - elastic
  es02:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.8.1
    container_name: es02
    environment:
      - node.name=es02
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es01,es03
      - cluster.initial_master_nodes=es01,es02,es03
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms256m -Xmx256m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - data02:/usr/share/elasticsearch/data
    networks:
      - elastic
  es03:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.8.1
    container_name: es03
    environment:
      - node.name=es03
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es01,es02
      - cluster.initial_master_nodes=es01,es02,es03
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms256m -Xmx256m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - data03:/usr/share/elasticsearch/data
    networks:
      - elastic
  eslb01:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.8.1
    container_name: eslb01
    environment:
      - node.name=eslb01
      - node.master=false
      - node.data=false
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es01,es02
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms256m -Xmx256m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - datalb01:/usr/share/elasticsearch/data
    networks:
      - elastic
  eslb02:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.8.1
    container_name: eslb02
    environment:
      - node.name=eslb02
      - node.master=false
      - node.data=false
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es01,es02
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms256m -Xmx256m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - datalb02:/usr/share/elasticsearch/data
    networks:
      - elastic
    ports:
      - 9200:9200
  kibana:
    container_name: kibana
    image: docker.elastic.co/kibana/kibana:7.8.1
    environment:
      ELASTICSEARCH_HOSTS: http://eslb01:9200
    ports:
      - 15601:5601
    networks:
      - elastic
volumes:
  data01:
    driver: local
  data02:
    driver: local
  data03:
    driver: local
  datalb01:
    driver: local
  datalb02:
    driver: local

networks:
  elastic:
    driver: bridge