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

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

sut:
  image: nginxproxy/nginx-proxy:test
  volumes:
    - /var/run/docker.sock:/tmp/docker.sock:ro
    - ./network_internal.conf:/etc/nginx/network_internal.conf:ro