> location / {
> root /websites/some.domain/http;
> index index.php index.html index.htm;
> }

Try to move this main root out of location / {} block to the server {} block:

server {

server_name ...;
root ...;

}


Also, root should ALWAYS point to an absolute path.

http://nginx.org/en/docs/http/ngx_http_core_module.html#root

Andrejs