Now that you’ve got docker set up on your Mac or Windows box or even on your Linux machine or NAS or chromebook (see https://tonystakeontech.com/2022/02/08/a-cookbook-to-run-docker-on-your-chromebook/), what can you do with it? Well, I could send you over to https://hub.docker.com/search?type=image but that just shows you some of what’s available in the world of docker containers. Instead, how about running Linux in a docker container that you can access locally in your browser? Yeah, I know, it’s a bit funky in that you may already be running Linux, with or without a GUI, but it’s an easy project and even kinda fun.
Head on over to https://tech.davidfield.co.uk/webtops-linux-desktop-in-a-web-browser/ for the cookbook to bring up Webtop (more info at https://docs.linuxserver.io/images/docker-webtop including different base images like XFCE Ubuntu, KDE Alpine, etc). And, BTW, there are quite a few more images available over at linuxserver.io so check them out, too. That link to docs.linuxserver.io lists other images.