elastic cluster via docker compose

docker-compose.yml

version: '2'
services:
    sense:
        image: areneleau/sense
        ports:
            - "127.0.0.1:5601:5601"
        environment:
            - ELASTICSEARCH_URL=http://elasticsearch:9200
    elastic-master:
        image: elasticsearch:2.4.1
        command: elasticsearch --node.data=false --es.node.master=true
        ports:
            - "127.0.0.1:9200:9200"
            - "127.0.0.1:9300:9300"
    elastic-data:
        image: elasticsearch:2.4.1
        command: elasticsearch --node.data=true --node.master=false --discovery.zen.ping.unicast.hosts=elastic-master