Running HomeBridge on Docker without Host Network Mode | Dev With Imagination

There is a docker image available, but the setup instructions for this require the container to be ran with the “host” networking mode. The primary reason for this appears to be to allow an Avahi daemon to run in the container and be able to answer responses to mDNS requests, which requires the container to be in the same local network subnet as the device performing the lookup.

Source: Running HomeBridge on Docker without Host Network Mode | Dev With Imagination