On registration success the user is redirected to a Registration

Success page to ensure they read the message informing them there might
be a delay in receiving the confirmation link.

Author: John Pinto

app/controllers/registrations_controller.rb

@@ -318,4 +318,9 @@ def handle_org(attrs:)
     attrs[:org_id] = org.id
     attrs
   end
+
+  # Override the default Devise after_sign_up_path_for method
+  def after_sign_up_path_for(_resource)
+    '/registrations/registration_success'
+  end
 end

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

@@ -0,0 +1,3 @@
+<h1><%= _('Registration Success') %></h1>
+
+<p><%= _('A confirmation email has been sent to your email address. It usually arrives within a few minutes but can sometimes take up to 10 minutes. Please wait and check your inbox and spam/junk folders after that time.') %></p>

config/routes.rb

@@ -9,11 +9,17 @@
                passwords: 'passwords',
                sessions: 'sessions',
                omniauth_callbacks: 'users/omniauth_callbacks',
-               invitations: 'users/invitations'
+               invitations: 'users/invitations',
+               confirmations: 'devise/confirmations'
              }) do
     get '/users/sign_out', to: 'devise/sessions#destroy'
   end
 
+  # Then add the custom route in a devise_scope block
+  devise_scope :user do
+    get '/registrations/registration_success', to: 'registrations#registration_success'
+  end
+
   delete '/users/identifiers/:id', to: 'identifiers#destroy', as: 'destroy_user_identifier'
 
   get '/orgs/shibboleth', to: 'orgs#shibboleth_ds', as: 'shibboleth_ds'