{"author_url":"https://blog.hatena.ne.jp/onk/","height":"190","image_url":null,"provider_url":"https://hatena.blog","description":"Gemfile \u5185\u3067\u5207\u308a\u66ff\u3048\u308b \u3053\u3046\u3044\u3046 ENV \u3067\u5207\u308a\u66ff\u3048\u308b\u3084\u3064\u3068\u304b\u3001eval_gemfile \u3092\u4f7f\u3046\u3084\u3064\u3068\u304b\u3002 https://github.com/discourse/discourse/blob/v2.6.2/Gemfile#L9-L16 def rails_master? ENV[\"RAILS_MASTER\"] == '1' end if rails_master? gem 'arel', git: 'https://github.com/rails/arel.git' gem 'rails', git: 'https://github.com/rails/rails.git' el\u2026","author_name":"onk","url":"https://onk.hatenablog.jp/entry/2021/03/01/004228","blog_title":"id:onk \u306e\u306f\u3066\u306a\u30d6\u30ed\u30b0","categories":[],"title":"Gemfile \u306e Dual Boot \u65b9\u6cd5","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fonk.hatenablog.jp%2Fentry%2F2021%2F03%2F01%2F004228\" title=\"Gemfile \u306e Dual Boot \u65b9\u6cd5 - id:onk \u306e\u306f\u3066\u306a\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://onk.hatenablog.jp/","published":"2021-03-01 00:42:28","type":"rich","provider_name":"Hatena Blog","version":"1.0","width":"100%"}