title: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]
body: <p>Using Ubuntu 16.10
  Docker 1.12.3
  Docker Composer 1.8
  Elastic latest tag of official elastic docker image</p>
  
  <p>docker-compose.yml</p>
  
  <pre><code>version: '2'
  services:
      elastic:
          image: elasticsearch
          environment:
              - ES_JAVA_OPTS=-Xmx2g -Xms2g
  </code></pre>
  
  <p>getting on logs</p>
  
  <p>elastic_1 | ERROR: bootstrap checks failed
  elastic_1 | max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]
  elastic_1 | [2016-11-18T17:48:17,058][INFO ][o.e.n.Node ] [HK_OIan] stopping ...</p>
  
  <p>Any idea, thanks</p>