Containers will include Nginx, MySQL and Mail-in-a-box or docker-mailserver. I've never used LXD or containerd, so I want to stick with Docker Swarm. I hadn't

Containers will include Nginx, MySQL and Mail-in-a-box or docker-mailserver. I've never used LXD or containerd, so I want to stick with Docker Swarm. I hadn't considered Ubuntu Core, as I saw it more as for IoT devices - I'll take another look!