clarifying-the-roles-of-the-gemspec-and-gemfile

TL;DR Although apps and gems look like they share the concept of "dependency", there are some important differences between them. Gems depend on a name and version range, and intentionally don't care about where exactly the dependencies come from. Apps have more controlled deployments, and need a guarantee that the exact same code is used on all machines (dev, ci and production). When developing a

[masutaka26]

Application では Gemfile.lock を commit し、gem では commit しない。ではあるが、bundler v1.16.0 から bundle gem で生成される .gitignore から /Gemfile.lock が削除された https://github.com/bundler/bundler/pull/5822

[a2ikm]

gemを開発するときにGemfile.lockはVCSに入れないようがよいという話

[morygonzalez]

Application では Gemfile.lock をバージョンコントロールし、gem ではコントロールするべきではない

[y_koh]

Gemfile

[a666666]

LangTurn: gemspecとGemfileの役割をはっきりさせておく http://langturn.com/translations/33?locale=ja# の原文

[kattton]

あとでちゃんと読む

[Hash]

Gemfileは.gitignoreに含めるべきか否か