tons of bug fixes

data/etc/nginx/conf.d/default.conf

@@ -44,9 +44,6 @@ proxy_set_header X-Forwarded-Ssl $proxy_x_forwarded_ssl;
 proxy_set_header X-Forwarded-Port $proxy_x_forwarded_port;
 # Mitigate httpoxy attack (see README for details)
 proxy_set_header Proxy "";
-proxy_buffer_size          128k;
-proxy_buffers              4 256k;
-proxy_busy_buffers_size    256k;
 server {
 	server_name _; # This is just an invalid value which will never trigger on a real hostname.
 	listen 80;