Health check-up: Spring Boot Actuator provides a /health endpoint to check the health of your application.

Metrics gathering: It gathers various metrics about your application like memory usage, garbage collection, web request tracing, etc.

HTTP tracing: It keeps track of HTTP request-response exchange details.

Application info: It can display application-related information.

Shutdown: It exposes a shutdown endpoint to gracefully shut down the application.

Environment information: It exposes environment variables and configuration properties.