added guidance for domainless setup, self-signed cert generation and DDNS setup.

stacks/wireguard/compose.yml

@@ -4,6 +4,7 @@ services:
     environment:
       WG_HOST: ?publicip?
       PASSWORD: ?adminpass?
+      WG_DEFAULT_DNS: ?localip?
     volumes:
       - ./wireguard:/etc/wireguard
     ports:
@@ -17,6 +18,8 @@ services:
       - net.ipv4.conf.all.src_valid_mark=1
       - net.ipv4.ip_forward=1
     restart: unless-stopped
+    dns: 
+      - ?localip?
     image: weejewel/wg-easy
 networks:
   dockge_default: