ruby:
  name: ruby.png
  mime_type: image/png
  size: <%= binary_file_size('files/ruby.png') %>
  data: <%= binary_file('files/ruby.png') %>

invoice:
    name: invoice.pdf
    data: <%= binary_file('files/invoice.pdf', indent: 4) %>
    size: <%= binary_file_size('files/invoice.pdf') %>
    mime_type: application/pdf