[Ruby on Rails 4] group :assets do … end は廃止

Sat, February 8, 2014 - 1 min read

Ruby on Rails 4 から Gemfile に group :assets do … end と書くのは廃止になったそうです。

Ruby on Rails | ルビーオンレイルズ
Rails 4.0 removed the assets group from Gemfile. You'd need to remove that line from your Gemfile when upgrading.

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