If you're self-hosting Nextcloud without these Docker containers, are you really self-hosting Nextcloud? Probably not ...

I've used most of the DNS resolvers on this list, and there isn't a clear winner because they are all capable enough for the core functionality you'd want from a local DNS server: DNS redirects to ...

The hardware required is a Raspberry Pi Zero 2 W, a camera (in this case, a USB webcam), and something to hold it above the book.