version: '3.4'
services:
  nginx:
    build: nginx
    restart: 'unless-stopped'
    networks:
      - pi
    ports:
      - '80:80'
    depends_on:
      - whoami

  whoami:
    image: 'traefik/whoami'
    restart: 'unless-stopped'
    networks:
      - pi

networks:
  pi:
    external: true