[Nginx] Compress some files, don't compress proxy answers

data/conf/nginx/site.conf

@@ -42,13 +42,18 @@ server {
   gzip_disable "msie6";
 
   gzip_vary on;
-  gzip_proxied any;
+  gzip_proxied off;
   gzip_comp_level 6;
   gzip_buffers 16 8k;
   gzip_http_version 1.1;
   gzip_min_length 256;
   gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript application/vnd.ms-fontobject application/x-font-ttf font/opentype image/svg+xml image/x-icon;
 
+  location ~ ^/(fonts|js|css|img)/ {
+    expires max;
+    add_header Cache-Control public;
+  }
+
   error_log  /var/log/nginx/error.log;
   access_log /var/log/nginx/access.log;
   absolute_redirect off;