title: fscrawler container is unhealthy (exit code 126)
body: <p>I am receiving the following two errors when starting fscrawler from Docker shadiakiki1986/fscrawler:</p>
  
  <blockquote>
    <p>ERROR: for fscrawler  Container "XXX" is unhealthy.<br>
    ERROR: Encountered errors while bringing up the project.</p>
  </blockquote>
  
  <p>The unhealthy container was inspected as follows:</p>
  
  <blockquote>
    <p>docker ps # list containers<br>
    docker inspect --format='{{json .State.Health}}' </p>
  </blockquote>
  
  <p>{"Status":"unhealthy","FailingStreak":3,"Log":[{"Start":"2018-11-24T14:29:57.31355179-06:00","End":"2018-11-24T14:29:57.395705557-06:00","ExitCode":126,"Output":"/usr/local/bin/docker-healthcheck: /usr/local/bin/docker-healthcheck: is a directory\n"},{"Start":"2018-11-24T14:30:27.408426387-06:00","End":"2018-11-24T14:30:27.48572124-06:00","ExitCode":126,"Output":"/usr/local/bin/docker-healthcheck: /usr/local/bin/docker-healthcheck: is a directory\n"},{"Start":"2018-11-24T14:30:57.497604654-06:00","End":"2018-11-24T14:30:57.575523908-06:00","ExitCode":126,"Output":"/usr/local/bin/docker-healthcheck: /usr/local/bin/docker-healthcheck: is a directory\n"}]}</p>