simple form_for a user model

gistfile1.erb

<%- form_for @user do |form| -%>
  <%= form.error_messages %>
  <ul>
    <li>
      <%= form.label :email %>
      <%= form.text_field :email %>
    </li>
    <li>
      <%= form.label :password %>
      <%= form.password_field :password %>
    </li>
    <li>
      <%= form.label :password_confirmation, 'Confirm Password' %>
      <%= form.password_field :password_confirmation %>
    </li>
    <li class="submit">
      <%= submit_tag 'Sign Up', :disable_with => 'Signing you up...' %>
      or <%= link_to 'sign in', new_session_path %>
    </li>
  </ul>
<%- end -%>