layout.md

#Custom layout ##Controller

../app/controllers/search_controller.rb

class SearchController < ApplicationController

  layout "blank"

  def index
    q = params[:q]
    @items = Document.search_me(q)
  end

end

• layout "blank" - принудительно указан используемый layout для этого контроллера

##Layout

../app/views/layouts/blank.html.haml

!!!
%html
  %head
    = stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => false
    = javascript_include_tag 'application', 'data-turbolinks-track' => false
    = csrf_meta_tags
  %body
    = yield