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概要
Rubyのバージョンを2.6.8から2.7.4にし、来年のEOLに備える & Railsのバージョンアップに追従しやすくします。
また便利な構文も使えるようになります。
確認してほしいこと
Dockerfile の Ruby version も上げていますが、build できることしか確認していません。
動作確認などお願いします 🙏
参考情報
NEWS for Ruby 2.7.0 (Ruby 3.0.0 リファレンスマニュアル)
#3294
前回のメジャーバージョンアップ:#884