docker-compose.yml

version: '3'
services:
  elasticsearch1:
    image: docker.elastic.co/elasticsearch/elasticsearch:6.3.2
    container_name: node1
    environment:
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - es_node1:/usr/share/elasticsearch/data
    ports:
      - "9200:9200"
    networks:
      - es_net

  elasticsearch2:
    image: docker.elastic.co/elasticsearch/elasticsearch:6.3.2
    container_name: node2
    environment:
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
      - "discovery.zen.ping.unicast.hosts=elasticsearch1"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - es_node2:/usr/share/elasticsearch/data
    networks:
      - es_net

  kibana:
    image: docker.elastic.co/kibana/kibana:6.3.2
    ports:
      - "5601:5601"
    networks:
      - es_net

volumes:
  es_node1: {}
  es_node2: {}

networks:
  es_net: {}