setup
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
enable web client
all endpoints are exposed to JMX and WEB clents
By default, all endpoints except for shutdown are enabled.
- enable all endpoings 
- enable all endpoints accessed by web - management: endpoints: enabled-by-default: true web: exposure: include: "*"
https://docs.spring.io/spring-boot/docs/current/reference/html/production-ready-endpoints.html
WebApplicationType
spring:
  main:
    web-application-type: reactive
- NONE
The application should not run as a web application and should not start an embedded web server.
- REACTIVE
The application should run as a reactive web application and should start an embedded reactive web server.
- SERVLET
The application should run as a servlet-based web application and should start an embedded servlet web server.