web1: image: web expose: - "81" environment: WEB_PORTS: 81 VIRTUAL_HOST: web.nginx-proxy.tld web2: image: web expose: - "82" environment: WEB_PORTS: 83 VIRTUAL_HOST: web.nginx-proxy.tld web3: image: web expose: - "83" environment: WEB_PORTS: 83 VIRTUAL_HOST: web.nginx-proxy.tld net: "none" sut: image: nginxproxy/nginx-proxy:test volumes: - /var/run/docker.sock:/tmp/docker.sock:ro