title: Docker add files to VOLUME
body: <p>I have a <code>Dockerfile</code> which copies some files into the container and after that creates a VOLUME.</p>
  
  <pre><code>...
  ADD src/ /var/www/html/
  VOLUME /var/www/html/files
  ...
  </code></pre>
  
  <p>In the <code>src</code> folder is an files folder and in this files folder are some files I need to have copied to the VOLUME the first time the container gets started.</p>
  
  <p>I thought the first time the container gets created it uses the content of the original dir specified in the volume but this is not the case.</p>
  
  <p>So how can I get the files into this folder?
  Do I need to create an extra folder and copy it with a runscript (I hope not)?</p>