HSN

Could we use [Traefik Network Connector](https://github.com/obeone/traefik_network_connector) as a basis? It uses the existing traefik.docker.network label to select the network to connect to. All that would be required for traefik is...

> Looking at the code, it looks like npm creates `/etc/letsencrypt.ini` by default and it turns out you can just add the config in there and it works! I just...