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How much tmp files can you store on Heroku?

Altcademy Team wrote on 7 February 2018

$ heroku run bash
~ $ df -h /tmp
Filesystem              Size  Used Avail Use% Mounted on
-                       376G   37G  320G  11% /tmp

Ruby's File class has a delete method:
File.delete(Rails.root + '/foo.jpg')

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