version: '3'
services:
  nginx:
    image: nginx
    container_name: nginx
    volumes:
      - nginx_conf:/etc/nginx/conf.d

  dockergen:
    image: jwilder/docker-gen
    command: -notify-sighup nginx -watch /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf
    volumes:
      - /var/run/docker.sock:/tmp/docker.sock:ro
      - ./nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl
      - nginx_conf:/etc/nginx/conf.d

  web:
    image: web
    container_name: whoami
    expose:
      - "80"
    environment:
      WEB_PORTS: 80
      VIRTUAL_HOST: whoami.nginx.container.docker

volumes:
  nginx_conf: {}