feat(metrics): Improve metrics configuration

Closes gravitee-io/issues#2179

gravitee-gateway-standalone/gravitee-gateway-standalone-distribution/src/main/resources/config/gravitee.yml

@@ -181,13 +181,16 @@ services:
     delay: 5000
     unit: MILLISECONDS
 
-  # Endpoint healthcheck service.
-  healthcheck:
-    threads: 3 # Threads core size used to check endpoint availability
-
   # metrics service
   metrics:
     enabled: false
+# default: local, http_method, http_code
+#    labels:
+#      - local
+#      - remote
+#      - http_method
+#      - http_code
+#      - http_path
     prometheus:
       enabled: true
 

pom.xml

@@ -199,7 +199,7 @@
     </dependencies>
 
     <properties>
-        <gravitee-node.version>1.4.0</gravitee-node.version>
+        <gravitee-node.version>1.4.1-SNAPSHOT</gravitee-node.version>
         <gravitee-definition.version>1.18.0</gravitee-definition.version>
         <gravitee-common.version>1.15.0</gravitee-common.version>
         <gravitee-expression-language.version>1.2.0</gravitee-expression-language.version>
@@ -223,7 +223,6 @@
         <json-path.version>2.2.0</json-path.version>
         <wiremock.version>2.21.0</wiremock.version>
         <guava.version>26.0-jre</guava.version>
-        <vertx.version>3.7.0-SNAPSHOT</vertx.version>
     </properties>
 
     <!-- allow snapshot only for vertx until the final release -->