I wonder how much of that is down to the Steam Deck and its AMD hardware?

It's beautiful

your iron’s tip should be nearly all black with oxidation

Ohh that's something I had no idea about. I've always tried to clean and scrub my iron, whoops.

It's been very snappy today, nice work! Is it all under Docker Compose with the node handling Nginx and Postgres as well?

I think you might've run into another teething problem. This comment seems to be posted 8 times a few minutes apart.