shigemk2 https://blog.hatena.ne.jp/shigemk2/ by shigemk2 https://www.shigemk2.com/ Ruby on Rails Gemfile.lock バージョン指定しないやつ(pumaとか)はrails newとかするたびにバージョンアップしてるやつを選んでいく。 rails/Gemfile.lock at 44f3ecbe5f3cb531164ed9bb14c58781281113ee · rails/rails · GitHub 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2017%2F07%2F11%2Frails_Gemfile.lock" title="rails Gemfile.lock - by shigemk2" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2017-07-11 23:05:33 rich https://www.shigemk2.com/entry/2017/07/11/rails_Gemfile.lock 1.0 100%