Electric Eel - How I am using Dockerfile, .env files, compose files

include:
  - path: /mnt/tank/Data/Compose/Ubuntu/compose.yml
    env_file:
      - /mnt/tank/Data/Compose/.env.global
      - /mnt/tank/Data/Compose/Ubuntu/.env

Indeed, this seems to work for variable for the compose interpreter and variables for inside the container.
Sorry for the back and forth.

Here is an explanation how to add your own app icon. How to change icon of custom app? - #25 by adelzu