Rails Active Storage allows attaching one or many attachment to the Active Record object and uploading the attachables to the cloud storage services like AWS, GCP.
To configure Active Record model to associate
attachment, you need to configure
as follows in the model.
class User < ApplicationRecord
Today I learned, you can configure Active Storage
attachment fields using Rails model and scaffold
generator by providing
field attribute field attribute.
The model and scaffold generator would configure
Active Record model with the
appropriate Active Storage configuration.
Run the model generator as follows to configure
avatar in the user model.
$ bin/rails generate model <ModelName> <association_name>:<association_type>
<association_type> can be
Added documentation for same in the Rails guides: PR#42391
Similar to model generator, scaffold generator takes one step
further with configuring the views with
file_field for attachment.