Put Rails App in iFrame on Fangate

gistfile1.txt

In Rails 4 App

application.rb:

  config.action_dispatch.default_headers.merge!({'X-Frame-Options' => 'ALLOWALL'})


In Fangate:

<style>
a#footer-branding.paid{
  display:none !important;
}
#page{
  width: 100% !important;
  padding: 0 !important;
  height: 4300px !important;
}
#page-content{
  width: 100% !important;
}
iframe{
  margin: -5px auto 0 auto;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 4300px !important;
}
</style>

<iframe frameBorder="0" src="https://drsday.herokuapp.com/"></iframe>