old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  import os
  import yaml
  from lain_sdk.yaml.lain_user_config import LainUserConfig
  
  DOCKER_APP_ROOT = '/lain/app'
  
  user_config = LainUserConfig.create()
  etc = user_config.get_config()
  
  PRIVATE_REGISTRY = None if etc is None else etc.get('private_docker_registry', None)
  
  DOMAIN = None if etc is None else etc.get('DOMAIN', 'lain.local')
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  import os
  import yaml
  from lain_sdk.yaml.lain_user_config import LainUserConfig
  
  DOCKER_APP_ROOT = '/lain/app'
  
  user_config = LainUserConfig.create()
  etc = user_config.get_config()
  
  PRIVATE_REGISTRY = None if etc is None else etc.get('private_docker_registry', None)
  
  DOMAIN = None if etc is None else etc.get('domain', 'lain.local')
  
subject: fix bad domain key