subdomain

.gitignore

@@ -1,23 +1 @@
-# See https://help.github.com/articles/ignoring-files for more about ignoring files.
-#
-# If you find yourself ignoring temporary files generated by your text editor
-# or operating system, you probably want to add a global ignore instead:
-#   git config --global core.excludesfile '~/.gitignore_global'
-
-# Ignore bundler config.
-/.bundle
-
-# Ignore the default SQLite database.
-/db/*.sqlite3
-/db/*.sqlite3-journal
-
-# Ignore all logfiles and tempfiles.
-/log/*
-/tmp/*
-!/log/.keep
-!/tmp/.keep
-
-/node_modules
-/yarn-error.log
-
-.byebug_history
+.editorconfig

app/controllers/admin/admin_controller.rb

@@ -0,0 +1,7 @@
+class Admin::AdminController < ActionController::Base
+    def index
+        render html: 'Hello world'
+    end
+end
+
+

config/routes.rb

@@ -1,3 +1,6 @@
 Rails.application.routes.draw do
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
+  namespace :admin do
+    root "admin#index"
+  end
 end