Loads production assets in case files don't exist locally

.htaccess

<IfModule mod_rewrite.c>
    RewriteEngine On

    # Try production domain if file doesnt exists
    RewriteCond %{HTTP_HOST} !^foo\.com [NC]
    RewriteCond %{REQUEST_FILENAME} !-f [NC]
    RewriteRule ^uploads/.*$ http://foo.com/$0 [L,NC]
</IfModule>