Update docker-compose.yml

apps/zerotier/docker-compose.yml

@@ -13,7 +13,7 @@ services:
     healthcheck:
       test: ['CMD','true']
     network_mode: host
-# TO DO: Pass host data to retain zerotier id
+# TO DO: Pass host data to retain zerotier id, or setup a volume. Prefer ~stateless.
 #    networks:
 #      - tipi_main_network
 #    mac_address: ${MAC_ADDRESS}