Setting Accept-Control-Allow--Origin header on ( font ) assets in nginx. Helpful when using passenger on heroku

passenger-nginx-font-accept-header.md

Currently passenger 4.0.39 and above come with a default nginx configuration file with a location @static_assets block. Paste the following inside it.

  if ($request_filename ~* ^.*?/([^/]*?)$) {
      set $filename $1; 
   }

  if ($filename ~* ^.*?\.(eot)|(ttf)|(svg)|(woff)$) {
    add_header Access-Control-Allow-Origin *;
  }