ruby on rails - How to use paperclip with devise to add profile photo? -

creating pinterest-like app users can create pin image, title, , description easy paperclip.

but i'm having trouble modifying paperclip docs when want use way upload profile picture when i'm using devise.

any tips?

try following code.

in users/registrations/new.html.erb view file add following code.

<%= form_for @user, url: users_path, html: { multipart: true } |f| %>   <%= f.file_field :avatar %> <% end %> 

in devise's user model add following code.

class user < activerecord::base    has_attached_file :avatar, :styles => { :large => "400x400>", :medium => "200x200>", :thumb => "100x100>" }    validates_attachment :avatar, :presence => true, :content_type => { :content_type => "image/jpeg", :message => "only jpeg formats allowed" }  end 

in controller.

def create   @user = user.create( user_params ) end   private  def user_params   params.require(:user).permit(:avatar) end