elasticsearch.yml

version: "3.4"
services:
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:6.1.4
    environment:
      - cluster.name=logs-cluster
      # - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
      - "discovery.zen.ping.unicast.hosts=tasks.elasticsearch"
      - "discovery.zen.minimum_master_nodes=2"
      - http.host=0.0.0.0
      - "path.data=/elasticsearch/{{.Task.Slot}}"
      - "network.host=_eth0:ipv4_"
      - xpack.security.enabled=false
      - node.name="es{{.Task.Slot}}"
    hostname: "es{{.Task.Slot}}"
    ports:
      - 9200:9200
    deploy:
      restart_policy:
        condition: on-failure
      # endpoint_mode: dnsrr
      mode: 'replicated'
      replicas: 3
      resources:
        limits:
          memory: 1G
        # ulimits:
        #   memlock:
        #     soft: -1
        #     hard: -1

    volumes:
      - /Users/jmaitrehenry/work/swarm-stack/elasticsearch:/elasticsearch
    networks:
      - elasticsearch
networks:
  elasticsearch:
    driver: overlay

Hi,

Is it working like you wrote it? I am gettting those errors::

[2019-04-16T16:43:07,573][WARN ][o.e.d.z.ZenDiscovery ] ["es3"] not enough master nodes discovered during pinging (found [[Candidate{node={"es3"}{d__2r9NGRd6_JF-pXcGLrA}{GTzh0suOQnaKWHL7GRkn2g}{10.255.0.253}{10.255.0.253:9300}{ml.machine_memory=1073741824, ml.max_open_jobs=20, ml.enabled=true}, clusterStateVersion=-1}]], but needed [3]), pinging again