Fear not! just use anonfiles instead!
up & download (for free!) to Anonfiles.com
first
gem install anonfiles
then
require 'anonfiles'
f = File.open('test.jpg')
id = Anonfiles::Image.upload(f)
p Anonfiles::Image.find(id)
> "https://cdn-13.anonfiles.com/b4C03bGboc/63bb18c1-1594984646/test.jpg"*currently only supporting Images
*please read their terms: https://anonfiles.com/terms