Amnezia WG can be user on any VPS. Just do a bit research about VPS provides.
I’ve never tried awg-quick. For configuration just check guide below. For firewall configuration you can use qvm-firewall. Default amneziaWG port is 51820/UDP
I’m not sure but probably step with uwtwrapper_global="0" is not required to make it work. But you need to test it self.