code: def _build_arguments(self):
          
          # TODO: add tests to confirm deployments
          self._parser.add_argument(
              '-t', '--tag',
              required=False,
              type=six.text_type,
              default=None,
              help='This tag will override image tag provided in the configuration file.'
          )
  
          self._parser.add_argument(
              '-e', '--env',
              required=False,
              type=six.text_type,
              action='append',
              default=None,
              help='environment variables to create in the container at run time.'
          )
docs: build arguments for command.