docs: def logger_initial_config(service_name=None,
                            log_level=None,
                            logger_format=None,
                            logger_date_format=None):
      '''Set initial logging configurations.
  
      :param service_name: Name of the service
      :type logger: String
  
      :param log_level: A string or integer corresponding to a Python logging level
      :type log_level: String
  
      :param logger_format: A string defining the format of the logs
      :type log_level: String
  
      :param logger_date_format: A string defining the format of the date/time in the logs
      :type log_level: String
  
      :rtype: None
  
      '''
      if not log_level:
          log_level = os.getenv('LOGGING_LEVEL', 'DEBUG')
      if not logger_format:
          logger_format = (
              "%(asctime)s.%(msecs)06dZ|"
              "%(levelname)s: {}: %(message)s"
          ).format(service_name)
      if not logger_date_format:
          logger_date_format = os.getenv('LOGGING_DATE_FORMAT', "%Y-%m-%dT%H:%M:%S")
  
      logging.basicConfig(level=log_level,
                          format=logger_format,
                          datefmt=logger_date_format)