code: def main():
      
      options = build_parser()
      try:
          run(**options)
      except RuntimeError as ex:
          msg = (
              "An error occurred running dockerstache: {} "
              "please see logging info above for details"
  
          ).format(ex)
          LOGGER.error(msg)
          sys.exit(1)
docs: _main_
  
      Create a CLI parser and use that to run
      the template rendering process