引入依赖：
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
配置文件：
#### 优雅停机
#默认为IMMEDIATE，表示立即关机；GRACEFUL表示优雅关机
server.shutdown=graceful
#停机过程超时时长设置了30s，超过30s，直接停机
spring.lifecycle.timeout-per-shutdown-phase=30s
management.server.port=30001
management.endpoint.health.show-details=always
management.endpoint.service-registry.enabled=true
management.endpoints.web.base-path=/actuator
management.endpoints.web.exposure.include=health,service-registry