This mod adds heyu to homeassistant, to be installed/updated during container start.
In homeassistant docker arguments, set an environment variable DOCKER_MODS=linuxserver/mods:homeassistant-heyu
If adding multiple mods, enter them in an array separated by |, such as DOCKER_MODS=linuxserver/mods:homeassistant-heyu|linuxserver/mods:homeassistant-hacs
Heyu cannot be configured through the homeassistant interface. To configure heyu edit the config file at /config/heyu/x10.conf