compose.2.yml

version: '3'
services:
  server1:
    image: httpd:alpine
    environment:
      - VIRTUAL_HOST=server1.test
  server2:
    image: httpd:alpine
    environment:
      - VIRTUAL_HOST=server2.test
  nginx-proxy:
    image: jwilder/nginx-proxy
    ports:
      - "80:80"
    volumes:
      - /var/run/docker.sock:/tmp/docker.sock:ro