Справочник по конфигурациям в Java — 4.3. Logback

<configuration scan="true" scanPeriod="30 seconds">
  <contextListener class="ch.qos.logback.classic.jul.LevelChangePropagator">
    <resetJUL>true</resetJUL>
  </contextListener>

  <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
    <encoder>
      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
    </encoder>
  </appender>

  <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>app.log</file>
    <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
      <fileNamePattern>app.%d{yyyy-MM-dd}.%i.log.gz</fileNamePattern>
      <maxFileSize>100MB</maxFileSize>
      <maxHistory>30</maxHistory>
      <totalSizeCap>3GB</totalSizeCap>
    </rollingPolicy>
    <encoder>
      <pattern>%d{ISO8601} [%thread] %-5level %logger{40} [%X{traceId}] - %msg%n</pattern>
    </encoder>
  </appender>

  <logger name="com.example.service" level="DEBUG" additivity="false">
    <appender-ref ref="FILE"/>
  </logger>

  <root level="INFO">
    <appender-ref ref="CONSOLE"/>
    <appender-ref ref="FILE"/>
  </root>
</configuration>