web: image: web expose: - "80" - "5001" environment: WEB_PORTS: "80 5001" VIRTUAL_HOST: webA.nginx-proxy.tld,webB.nginx-proxy.tld:5001 sut: image: jwilder/nginx-proxy:test volumes: - /var/run/docker.sock:/tmp/docker.sock:ro - ../lib/ssl/dhparam.pem:/etc/nginx/dhparam/dhparam.pem:ro environment: VIRTUAL_HOST_SPECIFIC_PORT: "true"