Yes and yes, as per the video... Ed is really thorough about these things.
Like I said, I wanted to get at least Radarr and Sonarr working as I know Nextcloud can be a little more work.
Getting worried that my ISP (Rogers in Toronto, Canada) is blocking port 80, that would be a hell of a kick in the nuts!
So, the screenshots!
And, by the by, thanks for replying... it's appreciated!