txt-game/docker-compose.yml

services:
  txt-game:
    build: .
    restart: unless-stopped
    environment:
      - DOMAIN=${DOMAIN:-localhost}
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.txt-game.rule=Host(`txt.${DOMAIN:-localhost}`)"
      - "traefik.http.routers.txt-game.entrypoints=websecure"
      - "traefik.http.routers.txt-game.tls.certresolver=letsencrypt"
      - "traefik.http.services.txt-game.loadbalancer.server.port=3000"
    networks:
      - proxy
      - default

networks:
  proxy:
    external: true