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I'm creating a Reddit sort of site to learn Rails but I'm using subdomains instead of longer URLs for subreddits (ie funny.reddit.com instead of reddit.com/r/funny).

For development, I'm using http://vcap.me (redirects to localhost) to work with subdomains as I think plain localhost doesn't work with subdomains.

I'm having some difficulties linking to these subdomains. I can do

subreddit_url = url_for(host: "http://vcap.me", subdomain: subreddit.subdomain)

and works just fine. However, I don't want to hardcode the host since I want to eventually push to Heroku and the host will be different. I tried doing something similar to How do I set default host for url helpers in rails?, more specifically 

class ApplicationController < ActionController::Base
 def default_url_options
  if Rails.env.development?
   {:host => "http://vcap.me"}
  else  
   {}
  end
 end
end

but my url_for returns '/' when I do 

url_for(subdomain: subreddit.subdomain)

I've also tried setting only_path: false but it also doesn't do anything.

Using Rails 4.2 Ruby 2.2.

Thanks!

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1 Answers1

-3

It doesn't really matter because you can't use subdomains on free Heroku apps anyway.

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