version: '2'
services:

  proxy:
    image: jwilder/nginx-proxy:alpine
    container_name: example-proxy
    restart: always
    ports:
    - '80:80'
    - '443:443'
    volumes:
    - '/opt/example.com/certs:/etc/nginx/certs'
    - '/opt/example.com/dhparam:/etc/nginx/dhparam'
    - '/var/run/docker.sock:/tmp/docker.sock:ro'

  root:
    image: 'nginx:alpine'
    container_name: example-root
    restart: always
    environment:
      VIRTUAL_HOST: example.com

  foo:
    image: 'httpd:alpine'
    container_name: example-foo
    restart: always
    environment:
      VIRTUAL_HOST: foo.example.com