Changed to Debian stable.
Summary: Changed image to stable
Install flow: Create container, Run install-plinth.sh, Restart container.
Steps adapted from https://wiki.debian.org/FreedomBox/Hardware/Debian,
but to emulate restart as in original steps, run first run scripts manually then ds restart
apt-get -y install freedombox-setup
/usr/lib/freedombox/setup | tee freedombox-setup.log
sed -e 's/^use_x_forwarded_host = True/use_x_forwarded_host = False/' -i /etc/plinth/plinth.config
sed -e 's/^secure_proxy_ssl_header = HTTP_X_FORWARDED_PROTO/secure_proxy_ssl_header = None/' -i /etc/plinth/plinth.config
Then ds restart, then run another script first-run.sh to run all first-runs
for f in /usr/lib/freedombox/first-run.d/* ; do
$f
done