Greg Molnar on Twitter: "Did you know that you can create a single-file Rails application? You shouldn't unless you are experimenting with something, but here is how it can be done: 🧵
How to Utilize Encrypted Credentials in Rails 5.2+
Managing Rails application secrets with encrypted credentials
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