web.config

<?xml version="1.0" encoding="utf-8"?>
<configuration>
    <system.webServer> 
		<iisnode node_env="production" />
		<webSocket enabled="false" />        
		<handlers>
			<add name="iisnode" path="app.js" verb="*" modules="iisnode"/>
		</handlers>
		<rewrite>
			<rules>
                <rule name="LogFile" patternSyntax="ECMAScript" stopProcessing="true">
                     <match url="iisnode"/>
                </rule>
                <rule name="NodeInspector" patternSyntax="ECMAScript" stopProcessing="true">                    
                    <match url="^app.js\/debug[\/]?" />
                </rule>
                <rule name="StaticContent">
                     <action type="Rewrite" url="public{{REQUEST_URI}}"/>
                </rule>
                <rule name="DynamicContent">
                     <conditions>
                          <add input="{{REQUEST_FILENAME}}" matchType="IsFile" negate="True"/>
                     </conditions>
                     <action type="Rewrite" url="app.js"/>
                </rule>
           </rules>
      </rewrite>
   </system.webServer>
 </configuration>