Ruby on rails Rails中子域的资源ID

我的网址是：

http://website.com/academies/1

http://website.com/academies/1/courses

http://website.com/academies/1/courses/1

http://website.com/academies/1/courses/1/lessons

http://website.com/academies/1/courses/1/lessons/1

但我想为每个学院使用它的子域

http://1.website.com/
http://1.website.com/courses/
http://1.website.com/courses/1
http://1.website.com/courses/1/lessons
http://1.website.com/courses/1/lessons/1

我想这样做，但这不是强制性的。两个URL的架构应同时有效

Routes.rb

resources :academies do

    resources :users
    resources :courses
    resources :posts