class JekyllAuth class JekyllSite < Sinatra::Base register Sinatra::Index set :public_folder, File.expand_path('_site', Dir.pwd) use_static_index 'index.html' not_found do status 404 four_oh_four = File.expand_path('_site/404.html', Dir.pwd) File.read(four_oh_four) if File.exists?(four_oh_four) end end end