tuning nginx configuration

.ebextensions/01config_nginx.config

@@ -4,3 +4,13 @@ files:
     owner: root
     group: root
     content: "client_max_body_size 0;"
+  "/etc/nginx/conf.d/proxy_request_buffering.conf":
+    mode: "000644"
+    owner: root
+    group: root
+    content: |
+        proxy_request_buffering off;
+        client_body_buffer_size 1024k;
+        client_body_timeout     240;
+        proxy_buffering    off;
+