NLog settings in app.config and web.config files

app.config.xml

<?xml version="1.0"?>
<configuration>
	<configSections>
		<section name="nlog" type="NLog.Config.ConfigSectionHandler, NLog"/>
	</configSections>
	<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
		<targets>
			<target name="default" xsi:type="File"
				fileName="C:\logs\app-log.txt"
				archiveFileName="C:\logs\archives\app-log.{#}.txt"
				archiveEvery="Day"
				archiveNumbering="Rolling"
				maxArchiveFiles="7" />
			<target name="errors" xsi:type="File"
				fileName="C:\logs\app-errors.txt"
				archiveFileName="C:\logs\archives\app-errors.{#}.txt"
				archiveEvery="Day"
				archiveNumbering="Rolling"
				maxArchiveFiles="7" />
		</targets>
		<rules>
			<logger name="*" writeTo="default" />
			<logger name="*" minlevel="Error" writeTo="errors" />
		</rules>
	</nlog>
</configuration>

Thank you for sharing.