stream

# File activestorage/lib/active_storage/service/disk_service.rb, line 145
      def stream(key)
        File.open(path_for(key), "rb") do |file|
          while data = file.read(5.megabytes)
            yield data
          end
        end
      rescue Errno::ENOENT
        raise ActiveStorage::FileNotFoundError
      end