Web.config

<?xml version="1.0" encoding="utf-8"?>
<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=169433
  -->
<configuration>
	<system.webServer>
		<rewrite>
			<rules>
				<rule name="SPA Routes" stopProcessing="true">
					<!-- match everything by default -->
					<match url=".*" />
					<conditions logicalGrouping="MatchAll">
						<!-- unless its a file -->
						<add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
						<!-- or a directory -->
						<add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
						<!-- list other routes or route prefixes here if you need to handle them server side -->
					</conditions>
					<!-- rewrite it to / -->
					<action type="Rewrite" url="/" />
				</rule>
			</rules>
		</rewrite>
	</system.webServer>
</configuration>