services:
  ultramax:
    build: .
    container_name: ultramax
    restart: unless-stopped
    ports:
      - "${PORT:-7000}:7000"
    env_file:
      - .env
    environment:
      # Always 7000/​/data inside the container, regardless of what PORT/
      # DATA_DIR are set to on the host side in .env (those control the
      # host port mapping and host-side data path respectively).
      - PORT=7000
      - DATA_DIR=/data
    volumes:
      - ultramax_data:/data

volumes:
  ultramax_data: