See Domoticz installation page.

sudo bash -c "$(curl -sSfL https://install.domoticz.com)"

Enable both http and https and installation directory: /usr/local/bin/domoticz.

The October 2023 build of domoticz is not yet compatible with Bookworm. Domoticz is still linked against older libssl and libcrypto libraries. To overcome this there are 2 options:

Find the libraries on the previous installation and copy the libraries to the new system installation.

sudo find / -name libssl.so*

scp libssl.so.1.1 root@192.168.178.xx:/usr/lib/arm-linux-gnueabihf
scp libcrypto.so.1.1 root@192.168.178.xx:/usr/lib/arm-linux-gnueabihf

Download this package from Debian repository. Use the previous stable version:

https://packages.debian.org/search?suite=default&section=all&arch=any&searchon=all&keywords=libssl-dev