How to point a domain at a heroku application

Question

While I\'ve done this on my VPS, I\'ve never done this for a heroku application, and now I have to do it for a fairly large company so I really want a simple list of bullet-

Answer 1

I can answer only some of this:

1) a) It updates some config stored on heroku's end related to your app. You can see that if you login to the heroku site and look at the config for your app. b) dunno c) this will let people type both "http://www.foobaryfoobs.com" and "http://foobaryfoobs.com" and for both of them to go to your app.