Even fast websites can seem slow if it takes a while for the content to get to them. This can be partially solved with a Content Delivery Network (CDN). However, most resources usually only shows how to set up static assets and not uploaded content. Learn how to use Amazon CloudFront to cache and serve uploaded content from Active Storage.
Sometimes we reach for a gem because it is what we know or we've had great experience with it in the past. However, sometimes the gem is a sledgehammer for a small problem. When you don't need all of the features, sometimes developing the functionality inside your application may be a better route.