Looking in HA Green for a cheap plug and play HAOS experience, no need to mess around with virtual machines
HA can be run in Docker but with a bunch of compromises
Tailscale Add on https://github.com/hassio-addons/addon-tailscale?tab=readme-ov-file
Reolink looks like a good HA compatible door bellS https://everythingsmarthome.co.uk/reolink-video-doorbell-review