it looks like from this https://github.com/nodetec/relaywizard/blob/master/cmd/install.go that it would be run inside a container if you wanted to use that

nostr:npub10npj3gydmv40m70ehemmal6vsdyfl7tewgvz043g54p0x23y0s8qzztl5h has some stuff for deploying relays in containers using systemd-nspawn (i helped make them)