Devise not working well with multiple subdomains on RoR3 application

Question

I have seen a lot of questions about this topic, but a lot of them have contradictory information, and for some reason it didnt work for me.

I have:

Answer 1

I think the issue is that :all adds a . to the subdomain.lvh.me so you would stay logged in with foo.subdomain.lvh.me which doesn't do you much good.

:all seems to work if your original login is from the root domain lvh.me and you then redirect to a subdomain. but you can't log in through a subdomain with it set that way.

MyApplication::Application.config.session_store :cookie_store, :key => '_mykey', :domain => '.lvh.me'

looks like the correct way to specify this.

Note:

• Make sure you restart rails after making change.
• Make sure you clear cookies out for your domain before testing again. You can leave remnant cookies behind that are confusing between tests.