ansible/roles/docker/files/composefiles/nginx-proxy.yml

---
version: '3'

services:
  nginx-proxy:
    image: jwilder/nginx-proxy
    ports:
      - "80:80"
    volumes:
      - /var/run/docker.sock:/tmp/docker.sock:ro
    networks:
      - external_services
    container_name: nginx-proxy
networks:
  external_services: 
    external: true