add-elasticsearch.yml

version: "3.6"

services:
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:6.4.2
    environment:
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - elasticsearch:/usr/share/elasticsearch/data
    networks:
      - main

volumes:
  elasticsearch: