Nginx Reverse Proxy for WebSocket w/ SSL/TLS

nginx-websocket-proxy.conf.diff

--- nginx-websocket-proxy.conf.bk       2016-09-19 16:25:00.918484594 +0900
+++ nginx-websocket-proxy.conf          2016-09-19 16:52:51.863111735 +0900
@@ -3,9 +3,13 @@
 }

 server {
-    listen       80;
+    listen      443;
     server_name  localhost;

+    ssl on;
+    ssl_certificate      /etc/pki/tls/certs/your.domain.nginx.crt;
+    ssl_certificate_key  /etc/pki/tls/private/your.domain.key;
+
     access_log  /var/log/nginx/websocket.access.log  main;

     location /socket.io/ {