Elastic Search docker-compose file

DockerFile

version: '3'
services:
  elasticsearch:
    image: "elasticsearch:5"
    networks:
      - frontend
    restart: always
    volumes:
      - ./ES_DATA:/usr/share/elasticsearch/data
    environment:
      - discovery.type=single-node
      - bootstrap.memory_lock = true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ports:
      - "9200:9200"

networks:
  frontend: