开启 actuator
引入依赖 org.springframework.boot:spring-boot-starter-actuator

暴露 prometheus 指标抓取接口
增加依赖 io.micrometer:micrometer-registry-prometheus

 
management.endpoints.jmx.exposure.include=beans,conditions,env,loggers,mappings
management.endpoints.web.exposure.include=beans,conditions,env,loggers,mappings,prometheus
management.endpoints.web.exposure.include=*
http://127.0.0.1:8088/api/actuator
http://127.0.0.1:8088/api/actuator/prometheus



 springboot2 actuator 使用 
 Springboot监控端点Actuator实例