스프링 부트 액추에이터

Spring Boot Actuator in Spring Boot

Spring Boot Actuator is a powerful tool that provides various endpoints to monitor and manage your Spring Boot application. It is a sub-project of Spring Boot that provides production-ready features for your application. In this blog post, we will explore the features of Spring Boot Actuator and how to use them in your Spring Boot application.

What is Spring Boot Actuator?

Spring Boot Actuator is a set of production-ready features that are provided by Spring Boot. It provides various endpoints to monitor and manage your Spring Boot application. These endpoints can be used to check the health of your application, view the metrics of your application, and manage the application at runtime.

Features of Spring Boot Actuator

Spring Boot Actuator provides the following features:

Health Check

The health check endpoint provides information about the health of your application. It can be used to check if your application is running properly or not. The health check endpoint returns a JSON response that contains the status of your application.

Metrics

The metrics endpoint provides information about the metrics of your application. It can be used to monitor the performance of your application. The metrics endpoint returns a JSON response that contains the metrics of your application.

Environment

The environment endpoint provides information about the environment of your application. It can be used to check the configuration of your application. The environment endpoint returns a JSON response that contains the environment variables of your application.

Shutdown

The shutdown endpoint can be used to shut down your application gracefully. It can be used to stop your application without killing the process.

Auditing

The auditing endpoint provides information about the auditing of your application. It can be used to track the changes made to your application.

Trace

The trace endpoint provides information about the requests that are made to your application. It can be used to debug your application.

How to use Spring Boot Actuator in your Spring Boot application?

To use Spring Boot Actuator in your Spring Boot application, you need to add the following dependency to your pom.xml file:

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

After adding the dependency, you can access the endpoints provided by Spring Boot Actuator. The endpoints are available at the following URLs:

• /actuator/health
• /actuator/metrics
• /actuator/env
• /actuator/shutdown
• /actuator/auditevents
• /actuator/httptrace

You can also customize the endpoints provided by Spring Boot Actuator. To customize the endpoints, you need to create a configuration class that extends the WebMvcEndpointManagementContextConfiguration class. In the configuration class, you can add or remove the endpoints provided by Spring Boot Actuator.

@Configuration public class ActuatorConfiguration extends WebMvcEndpointManagementContextConfiguration {     @Bean     public HealthEndpointCustomizer myHealthEndpointCustomizer() {         return new MyHealthEndpointCustomizer();     } } 

Conclusion

Spring Boot Actuator is a powerful tool that provides various endpoints to monitor and manage your Spring Boot application. It is a sub-project of Spring Boot that provides production-ready features for your application. In this blog post, we explored the features of Spring Boot Actuator and how to use them in your Spring Boot application. We also learned how to customize the endpoints provided by Spring Boot Actuator.