【Rails】bundlerのdefaultを変更する方法。 Warning: the running version of Bundler (x.x.x) is older than the version that created the lockfileの対処法。Docker上に構築したRailsで以下のようなエラーが出るときの対処法について。 Warning: the running version of Bundler (x.x.x) is older than the version that created the lockfile Warning: the running version of Bundler (2.1.4) is older than the version that created the lockfile (2.2.22). We suggest you to upgrade to the version that created the lockfile by running gem install bundler:2.2.22. 現在使っているbundlerのバージョン2.1.4だが、lockfileで指定されて
