The backend's post-install hooks create archy-bitcoin-ui, archy-lnd-ui,
archy-electrs-ui containers but with only NET_BIND_SERVICE cap. Nginx
inside these containers crashes on chown in rootless podman.
Added --user=0:0, CHOWN, DAC_OVERRIDE, SETUID, SETGID caps to match
the first-boot-containers.sh pattern. Also fixed manifest publish
Python error (git log fails in rsync'd workspace with no .git).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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