Revert "Match Dev/Prod parity for Index Page"

Showing welcome page in production can expose information, which should
not be visible on production if people don't override the default root
route.

This reverts commit b0caea29c2da9f4c8bb958019813482da297067d.

3 files changed, 3 insertions, 5 deletions

diff --git a/railties/lib/rails/application/finisher.rb b/railties/lib/rails/application/finisher.rb
index 1e4c6ca921..7a1bb1e25c 100644
--- a/railties/lib/rails/application/finisher.rb
+++ b/railties/lib/rails/application/finisher.rb
@@ -25,11 +25,9 @@ module Rails
             get '/rails/info/properties' => "rails/info#properties"
             get '/rails/info/routes'     => "rails/info#routes"
             get '/rails/info'            => "rails/info#index"
+            get '/'                      => "rails/welcome#index"
           end
         end
-        app.routes.append do
-          get '/' => "rails/welcome#index"
-        end
       end
 
       initializer :build_middleware_stack do
diff --git a/railties/lib/rails/templates/rails/welcome/index.html.erb b/railties/lib/rails/templates/rails/welcome/index.html.erb
index dd35835c6f..eb620caa00 100644
--- a/railties/lib/rails/templates/rails/welcome/index.html.erb
+++ b/railties/lib/rails/templates/rails/welcome/index.html.erb
@@ -227,7 +227,7 @@
 
             <li>
               <h2>Set up a root route to replace this page</h2>
-              <p>You're seeing this page because you haven't set a root route yet.</p>
+              <p>You're seeing this page because you're running in development mode and you haven't set a root route yet.</p>
               <p>Routes are set up in <span class="filename">config/routes.rb</span>.</p>
             </li>
 
diff --git a/railties/test/application/routing_test.rb b/railties/test/application/routing_test.rb
index e1679315f8..8576a2b738 100644
--- a/railties/test/application/routing_test.rb
+++ b/railties/test/application/routing_test.rb
@@ -60,7 +60,7 @@ module ApplicationTests
     test "rails/welcome in production" do
       app("production")
       get "/"
-      assert_equal 200, last_response.status
+      assert_equal 404, last_response.status
     end
 
     test "rails/info/routes in production" do