dc3-web/dc3/docker-compose.yml

version: '3.7'

services:
  web:
    build:
      context: ../
      dockerfile: ./dc3/Dockerfile
    image: pnoker/dc3-web:3.0
    restart: always
    ports:
      - 3000:80
    container_name: dc3.web
    hostname: dc3.web
    networks:
      dc3net:
        aliases:
          - dc3.web

networks:
  dc3net:
    driver: 'bridge'
...