title: (dockerfile) for flag -v: bad mode specified
body: <p>I have problems with the introduction of these instructions <a href="https://github.com/notabenoid/notabenoid-dockerfile" rel="nofollow">https://github.com/notabenoid/notabenoid-dockerfile</a></p>
  
  <p>Out my error command </p>
  
  <pre><code> docker run -v `pwd`:/srv/example.com -p 127.0.0.1:8080:80 --name notabenoid notabenoid
  </code></pre>
  
  <p>I managed to turn the site, but my goal is to change a few files and pictures</p>
  
  <p><em>How to edit files to container ?</em></p>