How to get Rails application working on two domains, Reverse Proxy -

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i have 2 separate application running on www.a.com , www.b.com. second 1 rails-3 application. common login working between 2 sharing cookies, redirecting requests on www.a.com/b www.b.com. using apache reverse proxy achieve this:

proxypass /b/ http://www.b.com/

this works fine apart fact asset/javascript links getting formed assuming www.a.com root. example:

<%= javascript_include_tag 'js/bootstrap-datepicker'%>

is resulting in link http://a.com/assets/js/bootstrap-datepicker.js whereas want http://a.com/b/assets/js/bootstrap-datepicker.js

i solving doing:

config.action_controller.asset_host = "http://a.com/analytics"

this works fine though find solution bit hacky. real problem starts when put links other pages in application. in order put link page named page, need put b/page in href. works fine when accessing application using a.com. doesn't allow me access app using b.com link starts pointing www.b.com/b/page doesn't exist.

how can whole thing working can access application using either a.com or b.com.

an alternate solution problem, use sub-domain , cname/alias instead of reverse proxy.

instead of reverse proxying a.com/b b.com. point new.a.com application running @ b.com using cname/alias in dns.

set cookie domain a.com instead of www.a.com, cookies shared across subdomains.

config/initializers/session_store.rb

youapplicationname::application.config.session_store :cookie_store, key: 'some_key', :domain => ".a.com"

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