tap/app/views/users/new.html.erb

<h1>Sign up</h1>

<div class="row">
  <div class="col-md-6 col-md-offset-3">
    <%= form_for(@user) do |f| %>
      <%= render partial: 'errors', locals: { model: @user } %>

      <%= f.label :nickname %>
      <%= f.text_field :nickname %>

      <%= f.label :name %>
      <%= f.text_field :name %>

      <%= f.label :last_name %>
      <%= f.text_field :last_name %>

      <%= f.label :password %>
      <%= f.password_field :password %>

      <%= f.label :password_confirmation, "Confirmation" %>
      <%= f.password_field :password_confirmation %>

      <%= f.submit "Create my account", class: "btn btn-primary" %>
    <% end %>
  </div>
</div>