yaml22.yaml

version: '3'
services:
  web1: &web
    image: nginx
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
      - ./templates:/etc/nginx/templates
    port:
      - 80:80
  web2: 
    image: nginx
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
      - ./templates:/etc/nginx/templates
    port:
      - 81:80
  web3: 
    image: nginx
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
      - ./templates:/etc/nginx/templates
    port:
      - 82:80