| 123456789101112131415161718192021222324252627282930313233343536373839 | version: "2"services:  web1:    image: web    expose:      - "81"    environment:      WEB_PORTS: "81"      VIRTUAL_HOST: "*.nginx-proxy.test"  web2:    image: web    expose:      - "82"    environment:      WEB_PORTS: "82"      VIRTUAL_HOST: "test.nginx-proxy.*"  web3:    image: web    expose:      - "83"    environment:      WEB_PORTS: "83"      VIRTUAL_HOST: ~^web3\..*\.nginx-proxy\.regexp  web4:    image: web    expose:      - "84"    environment:      WEB_PORTS: "84"      VIRTUAL_HOST: ~^web4\..*\.nginx-proxy\.regexp$$ # we need to double the `$` because of docker compose variable interpolation  sut:    image: nginxproxy/nginx-proxy:test    volumes:      - /var/run/docker.sock:/tmp/docker.sock:ro
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