Active Storage Setup for Rails 8

Overview

Active Storage handles file uploads in Rails:

• Cloud storage (S3, GCS, Azure) or local disk
• Image variants (thumbnails, resizing)
• Direct uploads from browser
• Polymorphic attachments

Quick Start

# Install Active Storage (if not already)
bin/rails active_storage:install
bin/rails db:migrate

# Add image processing
bundle add image_processing