some changes

things/rocketchat/for-nginx.conf

 server {
   listen 80;
   listen 443 ssl http2;
-  listen 443 ssl http2;
+  listen 444 ssl http2;
   server_name myrocketchat.momobako.com myrocketchat-poll.momobako.com;
   ssl_certificate   certs/yuzurisa.com/fullchain.pem;
   ssl_certificate_key certs/yuzurisa.com/privkey.pem;