version: '3.6'

services:
  elasticsearch:
    build:
      context: ./dockerfiles/elasticsearch
    restart: on-failure
    environment:
      - discovery.type=single-node
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    mem_limit: 2g
    volumes:
      - elastic:/usr/share/elasticsearch/data
    expose:
      - "9200"
      - "9300"

# Must be copied into main docker-compose yml-file
volumes:
  elastic: