Docker anchor example

docker-compose.yml

version: "3.5"

services:


  camera_1: &camera
    restart: unless-stopped
    container_name: camera_1
    build: ./camera
    environment:
      PORT: 10000
    network_mode: host
    ports:
      - "10000:10000"
    expose:
      - "10000"

  camera_2:    
    <<: *camera
    container_name: camera_2
    environment:
      PORT: 10001
    ports:
      - "10001:10001"
    expose:
      - "10001"