Log4Net Basic TextAppender configuration

gistfile1.xml

<?xml version="1.0" encoding="utf-8"?>
<log4net debug="false">
   <appender name="file-appender" type="log4net.Appender.FileAppender">
      <file value="log-file.txt" />
      <appendToFile value="true" />
      <lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
      <layout type="log4net.Layout.PatternLayout">
         <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />
      </layout>
   </appender>
   
   <root>
      <level value="WARN" />
      <appender-ref ref="file-appender" />
   </root>
</log4net>