Add CORS headers and update Vary header in nginx.conf

Author: BotellaA

nginx.conf

@@ -33,6 +33,7 @@ http {
       }
       return 404;
     }
+    
     location ~ "^/geode/" {
       limit_except DELETE GET POST PUT OPTIONS {
         deny all;
@@ -43,7 +44,7 @@ http {
       add_header 'Access-Control-Allow-Methods'     'GET, POST, PUT, DELETE, PATCH, OPTIONS' always;
       add_header 'Access-Control-Allow-Headers'     'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Authorization,X-CSRF-Token' always;
       add_header 'Access-Control-Expose-Headers'    'Content-Length,Content-Range' always;
-      add_header 'Vary'            
+      add_header 'Vary'                             'Origin' always;
 
       rewrite "^/geode/(.*)" /$1 break;
       proxy_pass http://localhost:5000;