Merge pull request #31 from microservices-demo/monitoring/annotation-driven

Use annotation to create metrics endpoint.

Author: Phil Winder

src/main/java/works/weave/socks/cart/CartApplication.java

@@ -1,11 +1,12 @@
 package works.weave.socks.cart;
 
+import io.prometheus.client.spring.boot.EnablePrometheusEndpoint;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
+@EnablePrometheusEndpoint
 public class CartApplication {
-
     public static void main(String[] args) {
         SpringApplication.run(CartApplication.class, args);
     }

src/main/java/works/weave/socks/cart/configuration/PrometheusAutoConfiguration.java

@@ -6,3 +6,4 @@ spring.sleuth.sampler.percentage=1.0
 spring.application.name=carts
 # Disable actuator metrics endpoints
 endpoints.metrics.enabled=false
+endpoints.prometheus.id=metrics