Store sessions in database (#1736)

config/packages/framework.yaml

@@ -6,9 +6,12 @@ framework:
 
     # Enables session support. Note that the session will ONLY be started if you read or write from it.
     # Remove or comment this section to explicitly disable session support.
+    #session:
+    #    handler_id:  session.handler.native_file
+    #    save_path:   "%kernel.project_dir%/var/sessions/%kernel.environment%"
+
     session:
-        handler_id:  session.handler.native_file
-        save_path:   "%kernel.project_dir%/var/sessions/%kernel.environment%"
+        handler_id: App\Security\SessionHandler
 
     #esi: ~
     #fragments: ~