...
<appender name="IDP_PROCESS" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <File>${idp.home}/logs/idp-process.log</File>
        
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>${idp.home}/logs/old/idp-process-%d{yyyy-MM-dd}.log.gz</fileNamePattern>
        <maxHistory>180</maxHistory>
    </rollingPolicy>

    <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
        <charset>UTF-8</charset>
        <Pattern>%date{ISO8601} - %level [%logger:%line] - %msg%n%ex{short}</Pattern>
    </encoder>
</appender>
...