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Home/ Questions/Q 8257869
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Editorial Team
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Editorial Team
Asked: June 8, 20262026-06-08T02:20:55+00:00 2026-06-08T02:20:55+00:00

Im using Dragonfly and Amazon s3 for the image uploads. For some reason when

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Im using Dragonfly and Amazon s3 for the image uploads. For some reason when I upload a picture, it saves to the right folder on amazon, and the uid is the right path, but it is not showing up!

Every time I call user.avatar it is nil even though user.avatar_uid is correct. How can I get the image to display properly with user.avatar.remote_url?

class User < ActiveRecord::Base

  image_accessor :avatar do
    storage_path { |file| 
      "#{self[:id]}/avatar/pic#{rand(1000)}.#{file.format.to_s.downcase}" 
    }
    after_assign { |a| 
      self.avatar = a.jpg.thumb('300x300#n') if (VALID_PHOTO_TYPES.include? self.avatar.format)
    }
  end  

  attr_accessible :avatar_url, :retained_avatar, :avatar
  attr_reader :id, :avatar_uid
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  1. Editorial Team
    Editorial Team
    2026-06-08T02:20:57+00:00Added an answer on June 8, 2026 at 2:20 am

    The problem is the :avatar_uid in any of attr_reader, attr_writer, attr_accessible.

    If you have that in your model, it will break. Pretend that the *_uid does not exist for any model with Dragonfly and only use user.avatar.

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