MQTT_HOST=192.168.0.11
MQTT_PORT=1883
BCACHEFS_UUID=3d3a0763-4dfe-41e6-93c1-8c791ec98176
POLL_INTERVAL=2
# MQTT_USERNAME=
# MQTT_PASSWORD=
# MQTT_CA_FILE=/path/to/ca.pem
# MQTT_DISCOVERY_PREFIX=homeassistant