<?xml version="1.0" encoding="UTF-8"?>
<configuration>
  <appender enabled="true" name="console">
    <type>console</type>
    <pattern>[%D %T %m] [%L][%l] (%S) %M</pattern>
    <!-- level is (:?FINEST|FINE|DEBUG|TRACE|INFO|WARNING|ERROR) -->
  </appender>
  <appender enabled="true" name="file">
    <type>file</type>
    <pattern>[%D %T %m] [%L][%l] (%S) %M</pattern>
    <property name="filename">docker.ui.log</property>
    <!--
       %T - Time (15:04:05 MST)
       %t - Time (15:04)
       %D - Date (2006/01/02)
       %d - Date (01/02/06)
       %L - Level (FNST, FINE, DEBG, TRAC, WARN, EROR, CRIT)
       %S - Source
       %M - Message
       It ignores unknown format strings (and removes them)
       Recommended: "[%D %T] [%L] (%S) %M"
    -->
    <property name="rotate">false</property> <!-- true enables log rotation, otherwise append -->
    <property name="maxsize">0M</property> <!-- \d+[KMG]? Suffixes are in terms of 2**10 -->
    <property name="maxlines">0K</property> <!-- \d+[KMG]? Suffixes are in terms of thousands -->
    <property name="daily">true</property> <!-- Automatically rotates when a log message is written after midnight -->
  </appender>

  <!-- 输出级别是info级别及以上的日志，下面的ref关联的两个appender没有filter设置，所以，info及以上的日志都是会输出到这2个appender的 -->
  <root>
    <level>info</level>
    <appender-ref ref="console" />
    <appender-ref ref="file" />
  </root>

</configuration>