feature:add resolver && teamcity config

sites-available/emby

@@ -2,14 +2,12 @@ server {
     server_name  emby.tradewind.vip;
 
     location / {
-            add_header Cache-Control no-cache;
-            add_header Pragma no-cache;
-            add_header Expires 0;
+        resolver 223.5.5.5;
+        set $router "router.tradewind.vip";
         proxy_set_header Host $host;
-#	proxy_redirect off;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_pass http://router.tradewind.vip:8096/;
+        proxy_pass http://$router:8096;
     }
 
     listen 443 ssl; # managed by Certbot