Merge pull request #450 from netbox-community/FilterMainConfig

Fix loading main_config again during discovery of dynamic configurations

docker/configuration.docker.py

@@ -45,6 +45,9 @@ def read_configurations(config_module, config_dir, main_config):
             if not f.name.endswith(".py"):
                 continue
 
+            if f.name == f"{main_config}.py":
+                continue
+
             if f.name == f"{config_dir}.py":
                 continue