Easy React File Uploads with Simple File Upload: The Complete Guide
What would you say are the two most difficult things to do in front-end programming for you? State management? Data integrity? Those are valid choices, and there's plenty more that you could add, but for me -- the answer would be working with Amazon S3 and file uploads.
The Complete Guide to using a CDN with Rails Active Storage
In Rails versions prior to 6.1, Rails Active Storage only served files from an expiring URL that redirected to the selected service. This made it impossible to serve the files via a CDN. There were many workarounds to this problem, and fortunately Rails introduced the new proxy features for serving files from Active Storage in Rails 6.1.