version: '3.6'

services:

  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:5.6.8
    environment:
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
      - transport.host=0.0.0.0
      - discovery.type=single-node
      - xpack.security.enabled=false
    networks:
      {{ conductor_network }}:
        aliases:
          - es 
    logging:
      driver: "journald"
    deploy:
      mode: replicated
      replicas: {{ elasticsearch_replicas }} 
      #endpoint_mode: dnsrr
      placement:
        constraints: [node.role == worker]
      restart_policy:
        condition: on-failure
        delay: 5s
        max_attempts: 3
        window: 120s

networks:
   {{ conductor_network }}: