logback-debug.xml

<!-- -Dlogback.configurationFile=./conf/logback-debug.xml -->
<configuration>
  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
    <encoder>
      <pattern>%d{HH:mm:ss.SSS} %-5level %logger{16} %msg%n</pattern>
    </encoder>
  </appender>

  <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>logs/sample.log</file>
    <append>true</append>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <fileNamePattern>logs/sample.%d{yyyy-MM-dd}.log</fileNamePattern>
      <maxHistory>7</maxHistory>
    </rollingPolicy>
    <encoder>
      <pattern>%d{HH:mm:ss.SSS} %-5level %logger{16} %msg%n</pattern>
    </encoder>
  </appender>

  <!-- sample package Name -->
  <logger name="sample" level="DEBUG"/>

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