rails generate

Generate new Rails templates in an existing project. More information: https://guides.rubyonrails.org/command_line.html#bin-rails-generate.

• List all available generators:

rails generate

• Generate a new model named Post with attributes title and body:

rails generate model Post title:string body:text

• Generate a new controller named Posts with actions index, show, new and create:

rails generate controller Posts index show new create

• Generate a new migration that adds a category attribute to an existing model called Post:

rails generate migration AddCategoryToPost category:string

• Generate a scaffold for a model named Post, predefining the attributes title and body:

rails generate scaffold Post title:string body:text