So I've never played around with docker, but from what little I have read, it seems like it will be easy enough to try. I had ended up just going back with Raspberry OS and then installing the Unifi Controller on that, but I need a second controller for another location that I have to configure, so I'm going to try the Docker approach. If I can make it work, I may re-do my current site with Docker instead. I appreciate the continued support and advice!!
Question 1: If I set up the USB flash drive on a Pi 4, could I then use it in a Pi 3B+ or do I need to make some adjustments because of the RAM difference?
Question 2: Will I have to run docker run -d linuxserver/unifi-controller -p 8443:8443 -p 8080:8080 each time I reboot the pi or will it automatically start upon reboot after the initial run? Since this is running headless, I would want to have it start automatically.
Question 3: How are the controller version updates handled within Docker?
I apologize for the question bombardment, but this is a new area for me...
Thanks! @