Try to skip compiling ckeditor assets
config/environments/production.rb
require_relative '../../lib/assets/selective_assets_compressor'
config.assets.js_compressor = SelectiveAssetsCompressor.new
lib/assets/selective_assets_compressor.rb
class SelectiveAssetsCompressor < Uglifier
def initialize(options = {})
super(options)
end
def compress(string)
if string =~ /CKSource/
string
else
super(string)
end
end
end