web1: image: web expose: - "81" environment: WEB_PORTS: "81" VIRTUAL_HOST: "*.nginx-proxy.tld" sut: image: nginxproxy/nginx-proxy:test volumes: - /var/run/docker.sock:/tmp/docker.sock:ro - ./lib/ssl/dhparam.pem:/etc/nginx/dhparam/dhparam.pem:ro environment: HTTP_PORT: 8080