If you do not kwow what is peertube, see https://purr.rigelk.eu/lang/en/docs/getting-started/
Playbook
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The `peertube` role installs all required packages and further downloads and install Peertube on a Debian server (>= Stretch).
This is just an automation of the official documentation to install Peertube on Debian. https://github.com/Chocobozzz/PeerTube/blob/develop/support/doc/production.md (up to [here](https://github.com/Chocobozzz/PeerTube/blob/develop/support/doc/production.md#peertube-configuration) )
