diff --git a/config/packages/doctrine.yaml b/config/packages/doctrine.yaml
index 75ec9e8..d72f5ad 100644
--- a/config/packages/doctrine.yaml
+++ b/config/packages/doctrine.yaml
@@ -1,29 +1,49 @@
 doctrine:
     dbal:
-        url: '%env(resolve:DATABASE_URL)%'
+        connections:
+            default:
+                url: '%env(resolve:DATABASE_URL)%'
+                profiling_collect_backtrace: '%kernel.debug%'
+                use_savepoints: true
+            transfer:
+                url: '%env(default::XFER_DATABASE_URL)%'
+                profiling_collect_backtrace: '%kernel.debug%'
+                use_savepoints: true
 
         # IMPORTANT: You MUST configure your server version,
         # either here or in the DATABASE_URL env var (see .env file)
         #server_version: '16'
 
-        profiling_collect_backtrace: '%kernel.debug%'
-        use_savepoints: true
     orm:
         auto_generate_proxy_classes: true
         enable_lazy_ghost_objects: true
-        report_fields_where_declared: true
-        validate_xml_mapping: true
-        naming_strategy: doctrine.orm.naming_strategy.underscore_number_aware
-        auto_mapping: true
-        mappings:
-            App:
-                type: attribute
-                is_bundle: false
-                dir: '%kernel.project_dir%/src/Entity'
-                prefix: 'App\Entity'
-                alias: App
+        # report_fields_where_declared: true
+        # validate_xml_mapping: true
+        # auto_mapping: true
+        default_entity_manager: default
+        entity_managers:
+            default:
+                connection: default
+                naming_strategy: doctrine.orm.naming_strategy.underscore_number_aware
+                mappings:
+                    App:
+                        type: attribute
+                        is_bundle: false
+                        dir: '%kernel.project_dir%/src/Entity'
+                        prefix: 'App\Entity'
+                        alias: App
+            transfer:
+                connection: transfer
+                naming_strategy: doctrine.orm.naming_strategy.underscore_number_aware
+                mappings:
+                    App:
+                        type: attribute
+                        is_bundle: false
+                        dir: '%kernel.project_dir%/src/Entity'
+                        prefix: 'App\Entity'
+                        alias: App
         controller_resolver:
-            auto_mapping: true
+            auto_mapping: false
 
 when@test:
     doctrine:
@@ -50,3 +70,6 @@ when@prod:
                     adapter: cache.app
                 doctrine.system_cache_pool:
                     adapter: cache.system
+
+parameters:
+    env(default_url): ''
\ No newline at end of file
diff --git a/config/services.yaml b/config/services.yaml
index 2d6a76f..ce0a377 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -22,3 +22,6 @@ services:
 
     # add more service definitions when explicit configuration is needed
     # please note that last definitions always *replace* previous ones
+    App\Service\DatabaseTransferService:
+        arguments:
+            $projectDir: '%kernel.project_dir%'
\ No newline at end of file