web1: image: web expose: - "80" - "81" environment: WEB_PORTS: "80 81" VIRTUAL_HOST: "web1.nginx-proxy.tld" VIRTUAL_PORT: "82" web2: image: web expose: - "82" - "83" environment: WEB_PORTS: "82 83" VIRTUAL_HOST: "web2.nginx-proxy.tld" VIRTUAL_PORT: "82" sut: image: nginxproxy/nginx-proxy:test volumes: - /var/run/docker.sock:/tmp/docker.sock:ro environment: DEBUG: "true"