--- a/contrib/provision/roles/tram-im/templates/etc/nginx/sites-available/tram-im	Sat Dec 03 01:27:01 2016 +0800
+++ b/contrib/provision/roles/tram-im/templates/etc/nginx/sites-available/tram-im	Sat Dec 03 01:28:43 2016 +0800
@@ -49,15 +49,18 @@
     root {{ dir }};
 
     location / {
-        expires max;
         gzip on;
         gzip_types text/css application/javascript application/x-javascript text/javascript;
         gzip_vary on;
+        expires max;
     }
 
     location /http-bind {
         proxy_pass https://127.0.0.1:5281/http-bind;
         proxy_set_header Host $host;
+        proxy_set_header X-Scheme $scheme;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Real-Ip $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_buffering off;
         tcp_nodelay on;