spring boot 实现优雅的关闭

            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-actuator</artifactId>
                <version>2.1.3.RELEASE</version>
            </dependency>

    # 启用shutdown
management:
  endpoint:
    shutdown:
      enabled: true
      # 公开所有的端点
  endpoints:
    web:
      exposure:
        include: '*'