| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849 | version: "2"networks:  net1: {}  net2: {}  net3a: {}  net3b: {}services:  nginx-proxy:    image: nginxproxy/nginx-proxy:test    volumes:      - /var/run/docker.sock:/tmp/docker.sock:ro    networks:      - net1      - net2      - net3a      - net3b  web1:    image: web    expose:      - "81"    environment:      WEB_PORTS: 81      VIRTUAL_HOST: web1.nginx-proxy.example    networks:      - net1  web2:    image: web    expose:      - "82"    environment:      WEB_PORTS: 82      VIRTUAL_HOST: web2.nginx-proxy.example    networks:      - net2  web3:    image: web    expose:      - "83"    environment:      WEB_PORTS: 83      VIRTUAL_HOST: web3.nginx-proxy.test    networks:      - net3a      - net3b
 |