vendor/assets/bower_components/admin-lte/ 以下にassetがインストールされるので、このパスをconfig/application.rbにconfig.assets.paths << Rails.root.join('vendor', 'assets', 'bower_components')のように追加する。これは後の手順でapplication.css.scssからの参照、image_path()ヘルパーなどで使うため必要。 UPDATE: 必要なかった。パスは自動的に追加される FYI: asset pathはrails consoleで確かめれる。 $ rails c Loading development environment (Rails 4.2.1) irb(main):001:0> pp Rails.application.con
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