require "sinatra/base" class SampleApp < Sinatra::Default get "/" do "Hello World" end get "/internal_redirect" do redirect URI.join(request.url, "redirected").to_s end get "/external_redirect" do redirect "http://example.tst/" end get "/redirected" do "Redirected" end get "/form" do <<-EOS EOS end put "/form" do "Welcome #{params[:email]}" end end