modify nginx config

Author: tsubik

config/server/nginx.conf.erb

@@ -23,6 +23,8 @@ server {
   proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
   proxy_set_header X-Forwarded-Proto $scheme;
   proxy_set_header Host $host;
+  proxy_set_header X-Sendfile-Type X-Accel-Redirect;
+  proxy_set_header X-Accel-Mapping <%= api_dir %>/shared/uploads/=/files/;
   proxy_hide_header X-Powered-By;
 
   error_page 503 @503;
@@ -42,12 +44,12 @@ server {
     rewrite ^/api(/.*)$ $1 break;
   }
 
-  location ~ ^/uploads(/.*|$) {
-    root <%= api_dir %>/current/public;
-    gzip_static on;
+  location /files/ {
+    internal;
+    alias <%= api_dir %>/current/uploads/;
   }
 
-  location ~ ^/(admin|private|rails|health_check)(/.*|$) {
+  location ~ ^/(admin|uploads|private|rails|health_check)(/.*|$) {
     root <%= api_dir %>/current/public;
 
     proxy_connect_timeout       600;