Add caddy metrics

roles/caddy/templates/Caddyfile.j2

@@ -2,6 +2,7 @@
 	email {{ admin_email }}
 
 	servers {
+		metrics
 		strict_sni_host on
 	}
 }

roles/caddy/vars/main.yml

@@ -8,12 +8,15 @@ caddy_ports_default:
   - 80:80
   - 443:443
   - 443:443/udp
+  - "{{ host_vpn.ip }}:2019:2019"
 caddy_ports: "{{ caddy_ports_default | union(caddy_ports_extra) }}"
 
 caddy_svc:
   name: caddy
 
 caddy_env:
+  CADDY_ADMIN: 0.0.0.0:2019
+
   ACMEDNS_USER: "{{ caddy_acmedns_user }}"
   ACMEDNS_PASS: "{{ caddy_acmedns_pass }}"
   ACMEDNS_SUBD: "{{ caddy_acmedns_subd }}"