PSF-LoginServer/logback.xml

<configuration>
  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
    <!-- encoders are assigned the type
         ch.qos.logback.classic.encoder.PatternLayoutEncoder by default
         http://logback.qos.ch/manual/layouts.html#ClassicPatternLayout
         -->
    <encoder>
      <pattern>[%highlight(%5level)] %logger{35} - %msg%n</pattern>
    </encoder>
  </appender>

  <appender name="FILE" class="ch.qos.logback.core.FileAppender">
    <file>pslogin-debug.log</file>
    <encoder>
      <!--<pattern>%date{ISO8601} %highlight(%-5level) [%thread MDC{%X}] %logger{35} - %msg%n</pattern>-->
      <pattern>%date{ISO8601} %-5level %X %logger{35} - %msg%n</pattern>
    </encoder>
  </appender>

  <root level="INFO">
    <appender-ref ref="STDOUT" />
  </root>

  <logger name="debug-logger" level="DEBUG">
    <appender-ref ref="FILE" />
  </logger>
</configuration>