<configuration>
<conversionRule conversionWord="clr" converterClass="org.springframework.boot.logging.logback.ColorConverter" />
<property name="LOG_PATTERN" value="%clr(%d{yyyyMMdd HH:mm:ss.SSS}){magenta} %clr([%thread]){blue} %clr(%-5level){} %clr([%logger{0}:%line]){cyan} : %msg %n" />
<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>${LOG_PATTERN}</pattern>
</encoder>
</appender>
<appender name="file" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>./application_log/application.log</file>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>error</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<encoder>
<pattern>%d{yyyyMMdd HH:mm:ss.SSS} [%thread] %-5level [%logger{0}:%line] : %msg %n</pattern>
</encoder>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>application.log.%d{yyyy-MM-dd}.log</fileNamePattern>
<maxHistory>30</maxHistory>
<totalSizeCap>5GB</totalSizeCap>
</rollingPolicy>
</appender>
<root level="info">
<appender-ref ref="CONSOLE" />
<appender-ref ref="file" />
</root>
</configuration>
https://frozenpond.tistory.com/87?category=1175501
https://frozenpond.tistory.com/88
https://frozenpond.tistory.com/89?category=1175501
위 링크가 너무 잘 설명해줌
로그 파일을 저장할때 색상값을 넣으면 not recognize (깨짐현상) 이 발생한다.