docker部署elk

version: '2'
services:
    kibana: 
      image: kibana:4.5
      links: 
        - es
      ports: 
        - "5601:5601"
      environment:
        ELASTICSEARCH_URL: http://es:9200
    es: 
      image: elasticsearch:2.3
      ports:
        - "9200:9200"

    logstash:
      image: logstash:2.3
      ports:
       - "3456:3456"
      command: logstash -e 'input { http { port => 3456 } } output {elasticsearch { hosts => [es] }}'