<%= csrf_meta_tags %> <%= csp_meta_tag %> <%= stylesheet_link_tag 'application', media: 'all' %> <%= javascript_pack_tag 'react-app/index' %> <%= stylesheet_pack_tag 'react-app/assets/stylesheets/app' %> <% flash.each do |key, value| %> <%= content_tag :div, value, class: "flash #{key}" %> <% end %> <%= yield %>