About
This skill provides specialized guidance for implementing robust file upload systems in Ruby on Rails applications using the Active Storage framework. It covers everything from initial setup and database migrations to advanced features like image variants, direct uploads, and multi-service storage configurations for AWS S3, Google Cloud Storage, and Azure. By leveraging this skill, developers can efficiently handle complex attachment logic, perform on-the-fly image transformations, and implement secure, scalable file management workflows following Rails best practices.