Now that the Paperclip gem has been deprecated, it's recommended that you migrate your apps to ActiveStorage
A walkthrough of how I debugged and fixed an issue with Rails ActiveStorage that we discovered in the last episode building a Previewer for Powerpoint files
Rails 5.2's adds CurrentAttributes to give you access to global variables in your apps. We'll use this feature to implement a Rack middleware to build Basecamp 3 style URLs that automatically include the current Account ID in every URL
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