Changing devise routes like '/users/sign_in' to '/sign_in'

In many of the applications built with the help of Devise sometimes you need to change the devise routes like '/users/sign_in' to simply '/sign_in'

1.)config/routes.rb

devise_for :users, :controllers => {registrations: 'registrations'}, :skip => [:sessions]

  devise_scope :user do

    get "/sign_up" => "devise/registrations#new", :as => :new_one_user_registration

    get '/sign_in' => "devise/sessions#new", :as => :new_user_session

    get '/forgot_password' => "devise/passwords#new", :as => :new_password

    get '/confirmation' => "devise/confirmations#new", :as => :new_confirmation

    post '/sign_in' => 'devise/sessions#create', :as => :user_session

    delete '/sign_out' => 'devise/sessions#destroy', :as => :destroy_user_session

    authenticated :user do

      root 'projects#index', as: :root

    end

    unauthenticated do

      root 'devise/sessions#new', as: :unauthenticated_root

    end

  end

end

Then define your path where you want it to be