The Spring Boot Actuator is a kind of helper when the application is running in production. The project provides built-in information of a deployed application.
In the microservices world, monitoring instances of applications are the key point to getting success. In these environments, there are usually many applications calling the other applications over the network protocols such as HTTP. The network is an unstable environment and sometimes it will fail; we need to track these incidents to make sure the application is up and fully operational.
The Spring Boot Actuator helps developers in these situations. The project exposes a couple of HTTP APIs with application information, such as the memory usage, CPU usage, application health check, and the infrastructure components of the application, such as a connection with databases and message brokers, as well.
One of the most important points is that the information is exposed over HTTP. It helps integrations with external monitor...