Need suggestion for how to manage the web application
<ul>
<li><p>I have developed a web application also that has been deployed in many client area.</p></li>
<li><p>I have created a installer to install this application at client area for first time.</p></li>
<li><p>If i done any bug fix or add any new functionality to this site, should i create new installer for site? or How to update the existing site without creating new installer with latest bug fix? </p></li>
<li><p>Or, Is there any other option to update existing application?</p></li>
<li><p>Or, we can create a installer only install the latest updates?</p></li>
</ul>

<p>Please guide me</p>
