I did the standard installation, but this was nearly 2 yrs ago. I am sure that the upgrade is similar but not identical to the first installation (e.g. not running the config assistant, stopping containers or whatever might be different). I don‘t want lose anything. (Although I did some learning with Docker I am still feeling at noob level for this topic.)
Sorry, I don‘t know what you meant with your question „Did you enter the three commands…“