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@nikikoh

NoMethodError: undefined method `setup' for Devise:Module

Last updated at Posted at 2021-01-12

#前提条件

  • AWSなどPaaS関連の設定は完了済
  • SQLも実装済
  • Herokuにデプロイする

#エラー文


rake aborted!
       NoMethodError: undefined method `setup' for Devise:Module

#結論
gem 'devise'をgroup develop testではなく、プロダクション環境の方に書く

#原因
リポジトリのconfig/environmentで、production、deveropment、testのrbファイルがあり、gemをgroupでくくるとproduction.rbでgemが使えなくなってしまう

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