Add docker tags

[rbdr/r.bdr.sh] / docker-compose.yml

version: '3.8'

services:
  unlimited.pizza:
    build: .
    env_file: .env
    command: serve --host 0.0.0.0 --config _config.yml,_config.development.yml
    volumes:
      - .:/app
    ports:
      - '4000:4000'