Ionic 2 dev and prod environment variables
<p>I am working on Ionic 2 project and I want to configure it for a different environment like <strong>Development</strong> and <strong>Production</strong>. But, I have no idea where to put config files in ionic 2. Are there any ways to put config file and run commands </p>

<p>like  </p>

<blockquote>
<pre><code>ionic build android --prod
</code></pre>
</blockquote>

<p>and </p>

<blockquote>
<pre><code>ionic build android --dev
</code></pre>
</blockquote>