adding more validation.

docker-compose.prod.yml

@@ -5,6 +5,8 @@ services:
     ports:
       - "80:80"
       - "443:443"
+    labels:
+      - com.github.jrcs.letsencrypt_nginx_proxy_companion.nginx_proxy=true
     volumes:
       - /var/run/docker.sock:/tmp/docker.sock:ro
       - /opt/integreat/prod/certs/:/etc/nginx/certs:ro