First impressions are that it all went quite smooth, and it's easy to understand what's going on. Love the little skeuomorphic servers—makes it feel fun without being too over the top.
First hurdle I ran across was that I got the message that something was using port 80 and 443 but took me a while to work out it was actually Docker. Perhaps it would be nice to report what process was using the default ports to make it easier to diagnose. I imagine most people interested in this app would be coming from Docker so could be a common issue.
Once I quit docker it was more straight forward and I managed to load the welcome.test and then add a Drupal site to the nginx section of My First Stack. Took me a second to work out where the 'root' was for this Drupal site—turned out it was src/www/web. I installed a db and we were off to the races.
Loading the site I was seeing 'deprecated function' errors and realised that I was running a much newer version of php than I should be for this site. So I deleted 8.1 and added 7.4, all very straight forward.
After that, though, it wouldn't serve the site, it would force download the index file instead. So I'm not sure where to go from there.
On the whole though, I'm very excited about this. Running heaving drush commands like config import or cache clearing was insanely fast and and didn't even register a blip on Activity Monitor. So excited that I might be able to do work without waiting 50% of the day. 😀