tap/app/views/devise/registrations/edit.html.erb

<h2>Edit <%= resource_name.to_s.humanize %></h2>

<%= form_for(resource, as: resource_name, url: registration_path(resource_name), html: { method: :put }) do |f| %>
  <%= devise_error_messages! %>

  <% if devise_mapping.confirmable? && resource.pending_reconfirmation? %>
    <div>Currently waiting confirmation for: <%= resource.unconfirmed_email %></div>
  <% end %>

  <%= form_text_field f, :nickname %>
  <%= form_text_field f, :name %>
  <%= form_text_field f, :last_name %>


  <%= form_password_field f, :password %>
  <%= form_password_field f, :password_confirmation %>
  <%= form_password_field f, :current_password %>

  <div class="actions">
    <%= f.submit "Update" %>
  </div>
<% end %>

<h3>Cancel my account</h3>

<p>Unhappy? <%= button_to "Cancel my account", registration_path(resource_name), data: { confirm: "Are you sure?" }, method: :delete %></p>

<%= link_to "Back", :back %>