In modern production systems, observability is not just an option—it’s a necessity. Whether you're debugging performance issues or trying to monitor application health in real-time, Spring Boot Actuator and Micrometer are your go-to tools in the Spring Boot ecosystem. Let’s break down what each of them does, how they work together, and why you should be using them.

In modern production systems, observability is not just an option—it’s a necessity. Whether you're debugging performance issues or trying to monitor application health in real-time, Spring Boot Actuator and Micrometer are your go-to tools in the Spring Boot ecosystem.
Let’s break down what each of them does, how they work together, and why you should be using them.