How do I remove the Devise route to sign up?

Question

I'm using Devise in a Rails 3 app, but in this case, a user must be created by an existing user, who determines what permissions he/she will have.

Because of this, I want:

• To remove the route for users to sign up.
• To still allow users to edit their profiles (change email address and password) after they have signed up

How can I do this?

Currently, I'm effectively removing this route by placing the following before devise_for :users:

match 'users/sign_up' => redirect('/404.html')

That works, but I imagine there's a better way, right?

Update

As Benoit Garret said, the best solution in my case is to skip creating the registrations routes en masse and just create the ones I actually want.

To do that, I first ran rake routes, then used the output to re-create the ones I wanted. The end result was this:

devise_for :users, :skip => [:registrations] 
as :user do
  get 'users/edit' => 'devise/registrations#edit', :as => 'edit_user_registration'
  put 'users' => 'devise/registrations#update', :as => 'user_registration'
end

Note that:

• I still have :registerable in my User model
• devise/registrations handles updating email and password
• Updating other user attributes - permissions, etc - is handled by a different controller

Actual answer:

Remove the route for the default Devise paths; i.e.:

devise_for :users, path_names: {
  sign_up: ''
}

Answer 1

For others in my case.
With devise (3.5.2).
I successfully removed the routes to signup, but kept the ones to edit the profile, with the following code.

#routes.rb
devise_for :users, skip: [:registrations]
as :user do
  get 'users/edit' => 'devise/registrations#edit', :as => 'edit_user_registration'
  put '/users(.:format)' => 'devise/registrations#update', as: 'user_registration'
  patch '/users(.:format)' => 'devise/registrations#update'
end

Answer 2

This is an old question - but I recently had solve the same issue and came up with a solution which is far more elegant than:

devise_for :users, :skip => [:registrations] 
as :user do
  get 'users/edit' => 'devise/registrations#edit', :as => 'edit_user_registration'
  put 'users' => 'devise/registrations#update', :as => 'user_registration'
end

And it gives the default names for the named routes (like cancel_user_registration) without being excessively verbose.

devise_for :users, skip: [:registrations]

# Recreates the Devise registrations routes
# They act on a singular user (the signed in user)
# Add the actions you want in 'only:'
resource :users,
    only: [:edit, :update, :destroy],
    controller: 'devise/registrations',
    as: :user_registration do
  get 'cancel'
end

rake routes output with the default devise modules:

                  Prefix Verb   URI Pattern                    Controller#Action
        new_user_session GET    /users/sign_in(.:format)       devise/sessions#new
            user_session POST   /users/sign_in(.:format)       devise/sessions#create
    destroy_user_session DELETE /users/sign_out(.:format)      devise/sessions#destroy
           user_password POST   /users/password(.:format)      devise/passwords#create
       new_user_password GET    /users/password/new(.:format)  devise/passwords#new
      edit_user_password GET    /users/password/edit(.:format) devise/passwords#edit
                         PATCH  /users/password(.:format)      devise/passwords#update
                         PUT    /users/password(.:format)      devise/passwords#update
cancel_user_registration GET    /users/cancel(.:format)        devise/registrations#cancel
  edit_user_registration GET    /users/edit(.:format)          devise/registrations#edit
       user_registration PATCH  /users(.:format)               devise/registrations#update
                         PUT    /users(.:format)               devise/registrations#update
                         DELETE /users(.:format)               devise/registrations#destroy