This is usually the best method, but just beware if you’re trying to get performant on demand execution the larger decision trees will cause issues. If you find the automation taking too long to trigger/execute you’ll want to break up the automation into smaller ones and just group them.

Vpn, nas, home assistant, dns, reverse proxy, adblocker, specialty controller units, misc project vms/containers.

It’s a container service. Containers are similar to virtual machines but less separate from the host system. Docker excels in creating reproducible self contained environments for your applications. It’s not the simplest solution out there but once you understand the basics it is a very powerful tool for system reliability.