code: def init_app(application):
      
      config = {k: v for k, v in application.config.items() if k in SCHEMA}
  
      kwargs = {'autorefresh': application.debug}
  
      kwargs.update((k[11:].lower(), v) for k, v in config.items())
  
      instance = whitenoise.WhiteNoise(application.wsgi_app, **kwargs)
  
      instance.add_files(application.static_folder, application.static_url_path)
  
      if not hasattr(application, 'extensions'):
          application.extensions = {}
  
      application.extensions['whitenoise'] = instance
  
      application.wsgi_app = instance
docs: Initialise an application
  
      Set up whitenoise to handle static files.