use stock proxy conf

Author: thelamer

Diff for: kasm.subdomain.conf.sample

@@ -15,17 +15,8 @@ server {
     client_max_body_size 0;
 
     location / {
-        proxy_set_header        Upgrade $http_upgrade;
-        proxy_set_header        Connection "upgrade";
-        proxy_set_header        Host $host;
-        proxy_set_header        X-Real-IP $remote_addr;
-        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header        X-Forwarded-Proto $scheme;
-        proxy_http_version      1.1;
-        proxy_read_timeout      1800s;
-        proxy_send_timeout      1800s;
-        proxy_connect_timeout   1800s;
-        proxy_buffering         off;
+
+        include /config/nginx/proxy.conf;
         include /config/nginx/resolver.conf;
         set $upstream_app kasm;
         set $upstream_port 8443;