{"_links":{"self":{"href":"http://localhost:8081/actuator","templated":false},"beans":{"href":"http://localhost:8081/actuator/beans","templated":false},"health":{"href":"http://localhost:8081/actuator/health","templated":false},"health-path":{"href":"http://localhost:8081/actuator/health/{*path}","templated":true},"env":{"href":"http://localhost:8081/actuator/env","templated":false},"env-toMatch":{"href":"http://localhost:8081/actuator/env/{toMatch}","templated":true},"logfile":{"href":"http://localhost:8081/actuator/logfile","templated":false},"loggers":{"href":"http://localhost:8081/actuator/loggers","templated":false},"loggers-name":{"href":"http://localhost:8081/actuator/loggers/{name}","templated":true},"metrics-requiredMetricName":{"href":"http://localhost:8081/actuator/metrics/{requiredMetricName}","templated":true},"metrics":{"href":"http://localhost:8081/actuator/metrics","templated":false}}}

<dependencies>

    <dependency>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-actuator</artifactId>

    </dependency>

</dependencies>Copy to clipboard

// pom.xml

<dependencies>

    <dependency>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-actuator</artifactId>

    </dependency>

</dependencies>

​

// application.properties : This will expose all the endpoints provided by actuator

management.endpoints.web.exposure.include=*

// monitor at localhost:8080/actuator/metrics/key-name 

// best practice: management.endpoints.web.exposure.include=health,metrics... only include the specified details, not everything with *

​

Actuator is mainly used to expose operational information about the running application — health, metrics, info, dump, env, etc. It uses HTTP endpoints or JMX beans to enable us to interact with it. Once this dependency is on the classpath, several endpoints are available for us out of the box.30-Jan-2021