nginx-proxy/test/test_internal/test_internal-per-vhost.yml

services:
  web1:
    image: web
    expose:
      - "81"
    environment:
      WEB_PORTS: "81"
      VIRTUAL_HOST: web1.nginx-proxy.example
      NETWORK_ACCESS: internal

  web2:
    image: web
    expose:
      - "82"
    environment:
      WEB_PORTS: "82"
      VIRTUAL_HOST: web2.nginx-proxy.example