HOMEBRIDGE_CONFIG_UI_PORT env variable doesn't change what port the web UI runs on
Am I mistaken in thinking that's what this variable is for?

Here is my docker compose file. The web UI still runs on 8080 despite being set to 8081.
```version: '3'
services:
  homebridge:
    image: oznu/homebridge:latest
    restart: always
    network_mode: host
    environment:
      - TZ=America/Detroit
      - HOMEBRIDGE_CONFIG_UI=1
      - HOMEBRIDGE_CONFIG_UI_PORT=8081
    labels:
      com.centurylinklabs.watchtower.enable: "true"
    volumes:
      - ./data:/homebridge```