conf/logback.xml

<configuration>

  <contextName>promotions-tool</contextName>

  <appender name="LOGFILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>logs/promotions-tool.log</file>

    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <fileNamePattern>logs/promotions-tool.log.%d{yyyy-MM-dd}.gz</fileNamePattern>
      <maxHistory>30</maxHistory>
    </rollingPolicy>

    <encoder>
      <pattern>%date [%thread] %-5level %logger{36} - %msg%n%xException{3}</pattern>
    </encoder>
  </appender>

  <logger name="com.google.api.client.http" level="WARN" />

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

</configuration>