Update gateway.yml

gateway.yml

@@ -9,6 +9,16 @@ management:
   zipkin:
     tracing:
       endpoint: http://zipkin.zipkin.svc.cluster.local:9411/api/v2/spans
+  endpoints:
+    web:
+      exposure:
+        include: prometheus
+  endpoint:
+    prometheus:
+      enabled: true
+    health:
+      show:
+        details: always
 
 spring:
   datasource: