Devise sign up form on the home page as well

Question

I want the ability to display the sign_up form on the homepage of my app home#index as well as the default page Devise creates.

Devise has the instruction

Answer 1

Here is the explanation from Devise How To: Display a custom sign_in form anywhere in your app

Another example with form_for and posting to user_session_path:

<%= form_for(:user, :url => session_path(:user)) do |f| %>
  <%= f.text_field :email %>
  <%= f.password_field :password %>
  <%= f.check_box :remember_me %>
  <%= f.label :remember_me %>
  <%= f.submit 'Sign in' %>
  <%= link_to "Forgot your password?", new_password_path(:user) %>
<% end %>

I placed it in my new view

Answer 2

Paste this in your home#index view code

<h2>Sign up</h2>

<%= form_for(resource, :as => resource_name, :url => registration_path(resource_name)) do |f| %>
  <%= devise_error_messages! %>

  <div><%= f.label :email %><br />
  <%= f.email_field :email %></div>

  <div><%= f.label :password %><br />
  <%= f.password_field :password %></div>

  <div><%= f.label :password_confirmation %><br />
  <%= f.password_field :password_confirmation %></div>

  <div><%= f.submit "Sign up" %></div>
<% end %>

<%= render "links" %>

and

 def resource_name
    :user
  end

  def resource_class 
     User 
  end

  def resource
    @resource ||= User.new
  end

  def devise_mapping
    @devise_mapping ||= Devise.mappings[:user]
  end

in your Application Helper file.
You are good to go.