[Rails] proper way to generate REST API?

I'm trying to figure out the "correct" commands for scaffolding out a REST API, i.e. something that will accept JSON, but not present a view.

rails generate scaffold Post name:string title:string content:text

will generate the models controllers, and views, whereas I don't need any of the ERB stuff since there is no web view.

rails generate resource Post name:string title:string content:text

Generates the database stuff, but doesn't seem to fill out the controller at all.

What's the best way to approach this?

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