title: What is -p in Webpack?
body: <p>I have this in my <code>package.json</code>:</p>
  
  <pre><code> build:prod
      SET NODE_ENV=prod &amp;&amp; webpack -p
  </code></pre>
  
  <p>What does <code>-p</code> mean?</p>
  
  <p>I have looked at the webpack documentation, but couldn't find anything for it.</p>
  
  <p>Thanks.</p>