Merge pull request #1052 from levinus/patch-1

Added dns option for watchdog

docker-compose.yml

@@ -329,6 +329,8 @@ services:
         - USE_WATCHDOG=${USE_WATCHDOG:-n}
         - WATCHDOG_NOTIFY_EMAIL=${WATCHDOG_NOTIFY_EMAIL}
         - MAILCOW_HOSTNAME=${MAILCOW_HOSTNAME}
+      dns:
+        - ${IPV4_NETWORK:-172.22.1}.254
       networks:
         mailcow-network:
           aliases: