<configuration debug="false">
   <timestamp key="byDay" datePattern="yyMMdd'-'HHmm"/>

   <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
      <filter class="ch.qos.logback.classic.filter.LevelFilter">
         <level>WARN</level>
         <onMatch>ACCEPT</onMatch>
         <onMismatch>DENY</onMismatch>
      </filter>
      <encoder>
         <pattern>%d{HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n</pattern>
      </encoder>
   </appender>

   <appender name="FILE" class="ch.qos.logback.core.FileAppender">
      <file> ${progname:-generic}.${byDay}.log </file>
      <append>true</append>
      <encoder>
         <pattern>%-4relative [%thread] %-5level %logger{35} - %msg%n</pattern>
      </encoder>
   </appender>

   <root level="${log.level:-INFO}">
      <appender-ref ref="FILE" />
      <appender-ref ref="STDOUT" />
   </root>

</configuration>