<configuration>
    <statusListener class="ch.qos.logback.core.status.NopStatusListener" />

    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%date %level %msg%n</pattern>
        </encoder>
    </appender>

    <root level="warn">
        <appender-ref ref="STDOUT" />
    </root>
</configuration>