<%= f.label :first_name %> <%= f.text_field :first_name, required: true %>

<%= f.label :last_name %> <%= f.text_field :last_name, required: true %>

<%= f.label :email %> <%= f.email_field :email, required: true %>

<%= f.label :password %> <%= f.password_field :password, required: user.new_record? %>