Merge pull request #16 from xkobal/master

User Deprecated: Referencing controllers with a single colon is deprecated since Symfony 4.1.

Author: mcg-web

Resources/config/routing.xml

@@ -5,10 +5,10 @@
         http://symfony.com/schema/routing/routing-1.0.xsd">
 
     <route id="overblog_graphiql_endpoint" path="/graphiql">
-        <default key="_controller">overblog_graphiql.controller:indexAction</default>
+        <default key="_controller">Overblog\GraphiQLBundle\Controller\GraphiQLController::indexAction</default>
     </route>
 
     <route id="overblog_graphiql_endpoint_multiple" path="/graphiql/{schemaName}">
-        <default key="_controller">overblog_graphiql.controller:indexAction</default>
+        <default key="_controller">Overblog\GraphiQLBundle\Controller\GraphiQLController::indexAction</default>
     </route>
 </routes>

Resources/config/services.xml

@@ -24,5 +24,9 @@
             <argument type="service" id="overblog_graphiql.view.config" />
             <argument type="service" id="overblog_graphiql.controller.graphql.endpoint" />
         </service>
+        <service id="Overblog\GraphiQLBundle\Controller\GraphiQLController"
+                 alias="overblog_graphiql.controller"
+                 public="true">
+        </service>
     </services>
 </container>