docs: converge on a common set of example images about cli HOT 2 OPEN

I agree that we might as well use Alpine in place of Busybox everywhere.

Having a 2nd option in non Ubuntu or Debian alongside Alpine is necessary in some examples for sure. I have a personal bias towards Debian between these two, I'd be fine if we settled on Ubuntu too. Although, (I don't have data for this at hand) something leads me to believe that Debian is a more common option as far as actual base images go. For example: Nginx, Node.js, Postgres, and httpd all have alpine/debian versions. There are some images with ubuntu versions but those seem more rare. Of course Ubuntu is probably more likely familiar as a desktop OS. So I guess it depends which alignment we prioritize there.

from cli.

Good points on the ubuntu vs debian one. Just a short "blurb";

• debian is indeed more commonly used as base image for official images
• debian tends to be more "pure"; Ubuntu frequently adds their "special sauce" on top with "mixed" results
• ☝️ their push for "snaps" as installer definitely is more problematic here; likely won't work really when used in a container / Dockerfile.
• debian has a strong preference for stability (making it often the platform of choice for server / production)
• BUT: that comes at the cost of "older packages", which .. not always makes it the choice for developers that want "recent" versions ... so bit of a mixed bag there 😞
• Looking at downloads, Ubuntu is definitely the most popular though (but no idea in what contexts those downloads are used); also not sure if that strictly matters for examples used.

from cli.