docs: def upload(config):
      """Upload the build documentation site to LSST the Docs.
  
      Parameters
      ----------
      config : `lander.config.Configuration`
          Site configuration, which includes upload information and credentials.
      """
      token = get_keeper_token(config['keeper_url'],
                               config['keeper_user'],
                               config['keeper_password'])
      build_resource = register_build(config, token)
  
      ltdconveyor.upload_dir(
          build_resource['bucket_name'],
          build_resource['bucket_root_dir'],
          config['build_dir'],
          aws_access_key_id=config['aws_id'],
          aws_secret_access_key=config['aws_secret'],
          surrogate_key=build_resource['surrogate_key'],
          cache_control='max-age=31536000',
          surrogate_control=None,
          upload_dir_redirect_objects=True)
  
      confirm_build(config, token, build_resource)