* An actuator is one of the best parts of spring boot which consists of production-ready features to help you monitor and manage your application.
* With the help of an actuator, you can monitor what is happening inside the running application.
* Actuator dependency figures out the metrics and makes them available as a new endpoint in your application and retrieves all required information from the web. You can identify beans, the health status of your application, CPU usage, and many more with the actuator.
