old_contents: from django.apps import AppConfig
  from django.db.utils import OperationalError, ProgrammingError, IntegrityError
  
  
  class CommonConfig(AppConfig):
      name = 'common'
  
      def ready(self):
  
          """ Will be called when the Common app is first loaded """
          self.add_instance_name()
          self.add_default_settings()
  
      def add_instance_name(self):
          """
          Check if an InstanceName has been defined for this database.
          If not, create a random one!
          """
  
          # See note above
          from .models import InvenTreeSetting
  
          """
          Note: The "old" instance name was stored under the key 'InstanceName',
          but has now been renamed to 'INVENTREE_INSTANCE'.
          """
  
          try:
  
              # Quick exit if a value already exists for 'inventree_instance'
              if InvenTreeSetting.objects.filter(key='INVENTREE_INSTANCE').exists():
                  return
  
              # Default instance name
              instance_name = InvenTreeSetting.get_default_value('INVENTREE_INSTANCE')
  
              # Use the old name if it exists
              if InvenTreeSetting.objects.filter(key='InstanceName').exists():
                  instance = InvenTreeSetting.objects.get(key='InstanceName')
                  instance_name = instance.value
  
                  # Delete the legacy key
                  instance.delete()
  
              # Create new value
              InvenTreeSetting.objects.create(
                  key='INVENTREE_INSTANCE',
                  value=instance_name
              )
  
          except (OperationalError, ProgrammingError, IntegrityError):
              # Migrations have not yet been applied - table does not exist
              pass
  
      def add_default_settings(self):
          """
          Create all required settings, if they do not exist.
          """
  
          from .models import InvenTreeSetting
  
          for key in InvenTreeSetting.GLOBAL_SETTINGS.keys():
              try:
                  settings = InvenTreeSetting.objects.filter(key__iexact=key)
  
                  if settings.count() == 0:
                      value = InvenTreeSetting.get_default_value(key)
  
                      print(f"Creating default setting for {key} -> '{value}'")
  
                      InvenTreeSetting.objects.create(
                          key=key,
                          value=value
                      )
  
                      return
  
                  elif settings.count() > 1:
                      # Prevent multiple shadow copies of the same setting!
                      for setting in settings[1:]:
                          setting.delete()
  
                  # Ensure that the key has the correct case
                  setting = settings[0]
  
                  if not setting.key == key:
                      setting.key = key
                      setting.save()
  
              except (OperationalError, ProgrammingError, IntegrityError):
                  # Table might not yet exist
                  pass
  
new_contents: from django.apps import AppConfig
  from django.db.utils import OperationalError, ProgrammingError, IntegrityError
  
  
  class CommonConfig(AppConfig):
      name = 'common'
  
      def ready(self):
          pass
  
subject: Remove code which automatically created settings objects on server launch