app/views/devise/registrations/new.html.erb

@@ -9,7 +9,7 @@

                           <%= devise_error_messages! %>
              

                           <% if ENV['ON_HEROKU'] && User.count.zero? %>
              

                           <div class="heroku-instruction">
              

                -            <% app_name = request.host[/\A.+/] %>
              

                +            <% app_name = request.host[/\A[^.]+/] %>
              

                             <p>If you are the owner of this application, run the following commands to complete the setup.</p>
              

                             <%= content_tag :pre do -%>
              

                 heroku git:clone <%= app_name %>