Commands

rails new nov_app -d postgresql -T

rails g model dog name motto

rails g controller dogs index show new edit

rails db:setup

rails db:migrate
rake db:migrate

rails console
rails c

rails routes

rails server
rails s

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rails new first-api --api --database=postgresql

rails generate resource User username:string password_digest:string

rails g resource Post title content user_id:integer

bundle install

EDITOR="code --wait" rails credentials:edit

rails g serializer user

rails db:create

rails db:migrate

rails s

rails routes