Silverblue with the packages I need.

Usage:

rpm-ostree rebase ostree-unverified-registry:ghcr.io/unpinned/silverblue:latest

Change shell:

To change your shell to fish shell. Edit your /etc/passwd file. Find the line with your username and at the end of that line change /bin/bash to /bin/fish

Credits:

Thanks a lot for https://github.com/ublue-os for the examples. More here: https://github.com/ublue-os/awesome-custom-images#configs