bridgpal/paperclip.md

## paperclip.md

      
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              paperclip.md
            
          
    #Rails - Paperclip gem
##install
brew install imagemagick
##add gems
gem 'paperclip'
gem 'aws-sdk'

###development.rb/production.rb
  config.paperclip_defaults = {
  :storage => :s3,
  :s3_credentials => {
    :bucket => "wdi-paperclip",
    :access_key_id => "AKIAIGS4WPWXXXXXXXX",
    :secret_access_key => "hCz6YlZnYK8A5LhlXXXXXXXXXXX",
    :s3_host_name => 's3-us-west-1.amazonaws.com'
  }
}

####add data model
class User < ActiveRecord::Base
  attr_accessible :name, :avatar

    has_attached_file :avatar, styles: {
    thumb: '100x100>',
    square: '200x200#',
    medium: '300x300>'
  }

end


###create migration for avatars
rails g migration AddAvatarToUsers
  add_attachment :users, :avatar


###aadd avatars to your view
  <%= f.label :avatar %><br />
  <%= f.file_field :avatar %>

###add urls to show page
<%= image_tag friend.avatar.url(:square) %>