主要部分をrails engineにして切り出しました。
You might need jQuery, Lodash or Underscore.js, backbone.js, fontawesome.css.
add to assets/stylesheet/application.css.scss
*= require rails_admin_base/application
add to assets/javascript/application.js
//= require rails_admin_base/application
add to config/initializers/rails_admin_base.rb
class ApplicationController < ActionController::Base
helper RailsAdminBase::Engine.helpers
end
rails g rails_admin_base:file_uploader_install