k8s微服务平滑上下线改造步骤

1.服务pom加上jar包

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>

2.健康接口使用/actuator/health

3.application.properties添加配置

management.endpoints.web.exposure.include=*
management.endpoint.shutdown.enabled=true
management.endpoint.health.show-details=always
management.server.port=8888

4.k8s加上preStop执行命令

curl -X POST localhost:8888/actuator/shutdown