docker-myip/docker-compose.yml

version: '3'

services:
  nginx:
    build:
      context: nginx/.
      args:
        - IMAGE=${MYIP_IMG:-nginx}
        - TAG=${MYIP_TAG:-alpine}
    container_name: ${MYIP_CONTAINER_NAME:-myip-nginx}
    restart: ${MYIP_RESTART:-unless-stopped}
    expose:
      - 80
    env_file:
      - nginx.env

networks:
  default:
    external:
      name: ${NETWORK:-webservices}