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

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <include resource="org/springframework/boot/logging/logback/base.xml" />
    <springProperty scope="context" name="serviceName" source="spring.application.name" defaultValue="web-server"/>
    <appender name="LOGSTASH" class="net.logstash.logback.appender.LogstashTcpSocketAppender">
        <destination>172.16.32.134:5044</destination>

        <encoder charset="UTF-8" class="net.logstash.logback.encoder.LogstashEncoder">
            <customFields>{"service":"${serviceName}"}</customFields>
            <includeContext>false</includeContext>
        </encoder>
    </appender>
    <root level="INFO">
        <!-- 配置哪个级别使用该appender -->
        <appender-ref ref="LOGSTASH" />
    </root>
</configuration>