Rails Conventions Cheatsheet

Taken from https://alexander-clark.com/blog/rails-conventions-singular-or-plural

Concept	Plural or Singular	Command Example
Controller	Plural	rails g controller Users index show
Helper	Plural	rails g helper Users
Mailer	Singular	rails g mailer UserMailer
Migration	Plural	rails g migration AddEmailToUsers email:string
Model	Singular	rails g model User name:string
Observer	Singular	rails g observer User
Resource	Plural*	resources :users, :only => [:index, :show]
Scaffold	Singular	rails g scaffold User name:string
Table	Plural	SELECT * FROM users;
View	N/A	app/views/users/index.html.erb – comprised of controller (plural) and action (singular)