For a game, a solution that simply restarts the container if it’s down solves the issue. You can mount game logs in a volume if you want, and you can see resource usage in container host dashboard. What value do detailed system metrics bring?

Furthermore, you don’t care what software you run to make your garage door system Siri-enabled, as long as it does its job and is not vulnerable; whereas with a game that adds new gameplay features multiple times per month, you do want to update it frequently. Babysitting a snowflake server makes it way more difficult than it should be.