ChronicDisease_SpringBoot/src/main/resources/logback-spring.xml

<configuration>
    <property name="LOG_PATH" value="${LOG_PATH:-./logs}" />

    <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] [%X{requestId:-}] [%X{traceId:-}] [%X{spanId:-}] %-5level %logger{36} - %msg%n" />

    <!-- Console -->
    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>${LOG_PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>

    <!-- Detailed rolling file -->
    <appender name="FILE_DETAIL" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${LOG_PATH}/app.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${LOG_PATH}/app.%d{yyyy-MM-dd}.log.gz</fileNamePattern>
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>${LOG_PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>

    <appender name="ASYNC_FILE" class="ch.qos.logback.classic.AsyncAppender">
        <appender-ref ref="FILE_DETAIL" />
        <queueSize>512</queueSize>
        <discardingThreshold>0</discardingThreshold>
    </appender>

    <!-- Error-only rolling file -->
    <appender name="FILE_ERROR" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${LOG_PATH}/error.log</file>
        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
            <level>WARN</level>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${LOG_PATH}/error.%d{yyyy-MM-dd}.log.gz</fileNamePattern>
            <maxHistory>90</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>${LOG_PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>

    <appender name="ASYNC_ERROR" class="ch.qos.logback.classic.AsyncAppender">
        <appender-ref ref="FILE_ERROR" />
        <queueSize>256</queueSize>
    </appender>

    <!-- Application logger -->
    <logger name="work.baiyun.chronicdiseaseapp" level="DEBUG" additivity="false">
        <appender-ref ref="CONSOLE" />
        <appender-ref ref="ASYNC_FILE" />
    </logger>

    <!-- Third-party libraries reduce noise -->
    <logger name="org.springframework" level="INFO" />
    <logger name="org.hibernate" level="WARN" />
    <logger name="com.zaxxer.hikari" level="WARN" />
    <logger name="org.apache" level="WARN" />
    <logger name="org.mybatis" level="WARN" />

    <!-- SQL logs (if needed) -->
    <logger name="work.baiyun.chronicdiseaseapp.mapper" level="DEBUG">
        <appender-ref ref="ASYNC_FILE" />
    </logger>

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