Change listening addresses - configuration with Wireguard

[ManuISEN]

Hello dear AGH community,

I've installed AGH and Wireguard (through PiVPN) on my Raspberry Pi 3.
I have two questions :

1. How can I change the listening addresses ? I've tried to modify bind_host to 192.168.1.108, my Raspberry address but with no luck, admin interface is still showing this:

2. What I need to configure to work with Wireguard ?