app/views/users/registrations/edit.html.erb
<h2>Edit <%= resource_name.to_s.humanize %></h2>
<%= form_with model: resource, as: resource_name, url: registration_path(resource_name), method: :put, local: true do |f| %>
<%= render "devise/shared/error_messages", resource: resource %>
<div class="field">
<%= f.label :email %><br />
<%= f.email_field :email, autofocus: true, autocomplete: "email" %>
</div>
<% if devise_mapping.confirmable? && resource.pending_reconfirmation? %>
<div>Currently waiting confirmation for: <%= resource.unconfirmed_email %></div>
<% end %>
<p>
<div class="field">
<%= f.label :password %> <i>(leave blank if you don't want to change it)</i><br />
<%= f.password_field :password, autocomplete: "new-password" %>
<% if @minimum_password_length %>
<br />
<em><%= @minimum_password_length %> characters minimum</em>
<% end %>
</div>
</p>
<p>
<div class="field">
<%= f.label :password_confirmation %><br />
<%= f.password_field :password_confirmation, autocomplete: "new-password" %>
</div>
</p>
<div class="field form-group">
<%= f.label :current_password %> <i>(we need your current password to confirm your changes)</i><br />
<%= f.password_field :current_password, autocomplete: "current-password" %>
</div>
<%= render "form_fields", f: f %>
<div class="actions">
<%= f.submit "Update" %>
</div>
<% end %>
<h3>Cancel my account</h3>
<p><%= button_to "Cancel my account", registration_path(resource_name), data: { confirm: "Are you sure?" }, method: :delete %></p>
<%= link_to "Back", :back %>