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If you’re just starting out and have never used containers before start with regular (rootful) docker. It’s a much simpler mechanism to understand for a beginner and has more widespread support and documentation.
Once you understand containers and have used them for a few months you can start going down the rabbit hole, there’s no shortage of technologies to explore.
Or, if you’re only interested in self-hosting as a hobby and docker does what you need, you can also stop there. Not everybody needs a deep dive into technology.
I learned podman as a beginner. This isn’t to say that what you’re saying is wrong. It was much more difficult doing so. I am only commenting to say that its possible but needs patience.