Different Logging Levels for different Appenders

<property name="pattern" value="%d{yyyy.MMM.dd HH:mm:ss.SSS} [ProgramName] %level - %msg%n" />

<appender name="FILE" class="ch.qos.logback.core.FileAppender">

    <file>/path/to/your/program.log</file>

    <append>true</append>

    <encoder>

        <pattern>${pattern}</pattern>

    </encoder>

</appender>

<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">

    <target>System.out</target>

    <filter class="ch.qos.logback.classic.filter.ThresholdFilter">

        <level>INFO</level>

    </filter>

    <encoder>

        <pattern>${pattern}</pattern>

    </encoder>

</appender>

<root level="debug">

    <appender-ref ref="FILE" />

    <appender-ref ref="STDOUT" />

</root>

https://stackoverflow.com/questions/10734025/logback-two-appenders-multiple-loggers-different-levels