Ruby on Rails: Where to define global constants?

Question

I\'m just getting started with my first Ruby on Rails webapp. I\'ve got a bunch of different models, views, controllers, and so on.

I\'m wanting to find a good plac

Answer 1

A common place to put application-wide global constants is inside config/application.

module MyApp
  FOO ||= ENV.fetch('FOO', nil)
  BAR ||= %w(one two three)

  class Application < Rails::Application
    config.foo_bar = :baz
  end
end