I have fonts served from cdn.myapp.com using Cloudfront.
I was using the font_assets gem which helped me sending CORS headers to have my fonts accepted in Firefox (among
As from now, there is no option for this in the app config.
This discussion : https://groups.google.com/forum/#!topic/phusion-passenger/nskVxnxFssA explains that this will be possible in a near future.