Rails-doubletap-RCE/README.md at master · mpgn/Rails-doubletap-RCE · GitHub
Rails×Capistrano】自動デプロイしようとしたら「ArgumentError: Missing `secret_key_base` for 'production' environment, set this string with `rails credentials:edit`」 - コードロード
How to Utilize Encrypted Credentials in Rails 5.2+
Rails 秘密情報管理機能の変遷 - Qiita
devise - What's causing the lack of secret_key_base on CircleCI with Rails 5.2? - Stack Overflow
Securing Rails Applications — Ruby on Rails Guides