Ensure environment config has higher priority than application ones.

railties/lib/rails/application.rb

@@ -11,7 +11,6 @@ class Application < Engine
     autoload :Railties,       'rails/application/railties'
     autoload :RoutesReloader, 'rails/application/routes_reloader'
 
-    # TODO Ensure production settings are read properly
     class << self
       private :new
       alias   :configure :class_eval
@@ -24,7 +23,6 @@ def inherited(base)
         raise "You cannot have more than one Rails::Application" if Rails.application
         super
         Rails.application = base.instance
-        base.require_environment!
       end
 
     protected

railties/lib/rails/application/bootstrap.rb

@@ -3,6 +3,10 @@ class Application
     module Bootstrap
       include Initializable
 
+      initializer :load_environment_config do |app|
+        app.require_environment!
+      end
+
       initializer :load_all_active_support do |app|
         require "active_support/all" unless app.config.active_support.bare
       end

railties/test/application/initializer_test.rb

@@ -38,13 +38,24 @@ module Zoo::ReptileHouse ; end
     end
 
     test "load environment with global" do
-      app_file "config/environments/development.rb", "$initialize_test_set_from_env = 'success'"
+      app_file "config/environments/development.rb", <<-RUBY
+        $initialize_test_set_from_env = 'success'
+        AppTemplate::Application.configure do
+          config.cache_classes = true
+          config.time_zone = "Brasilia"
+        end
+      RUBY
+
       assert_nil $initialize_test_set_from_env
       add_to_config <<-RUBY
         config.root = "#{app_path}"
+          config.time_zone = "UTC"
       RUBY
+
       require "#{app_path}/config/environment"
       assert_equal "success", $initialize_test_set_from_env
+      assert AppTemplate::Application.config.cache_classes
+      assert_equal "Brasilia", AppTemplate::Application.config.time_zone
     end
 
     test "action_controller load paths set only if action controller in use" do