Password

rails generate scaffold User name:string password_digest:string

class User < ActiveRecord::Base
validates :name, presence: true, uniqueness: true
has_secure_password
end

def create
@user = User.new(user_params)
respond_to do |format|
if @user.save
format.html { redirect_to users_url,
notice: "User #{@user.name} was successfully created." }
format.json { render action: 'show',
status: :created, location: @user }
else
format.html { render action: 'new' }
format.json { render json: @user.errors,
status: :unprocessable_entity }
end
end
end

<div class="depot_form">
<%= form_for @user do |f| %>
<% if @user.errors.any? %>
<div id="error_explanation">
<h2><%= pluralize(@user.errors.count, "error") %>
prohibited this user from being saved:</h2>
<ul>
<% @user.errors.full_messages.each do |msg| %>
<li><%= msg %></li>
<% end %>
</ul>
</div>
<% end %>
<fieldset>
<legend>Enter User Details</legend>
<div>
<%= f.label :name, 'Name:' %>
<%= f.text_field :name, size: 40 %>
</div>
<div>
<%= f.label :password, 'Password:' %>
<%= f.password_field :password, size: 40 %>
</div>
<div>
<%= f.label :password_confirmation, 'Confirm:' %>
<%= f.password_field :password_confirmation, size: 40 %>
</div>
<div>
<%= f.submit %>
</div>
</fieldset>
<% end %>
</div>

    def user_params
      params.require(:user).permit(:name, :password, :password_confirmation)
    end