location / {
       add_header Cache-Control no-cache;
       add_header Access-Control-Allow-Origin *;
       root /var/www/stream;
       index index.html;
       try_files $uri $uri/ =404;

       # Allow CORS preflight
       if ($request_method = OPTIONS) {
           add_header Access-Control-Allow-Origin *;
           add_header Access-Control-Max-Age 1728000;
           add_header Content-Length 0;
           return 204;
       }
   }

   location /dash {
       add_header Cache-Control no-cache;
       add_header Access-Control-Allow-Origin *;
       root /var/www/stream;

       types {
           application/dash+xml mpd;
           video/mp4 m4v mp4;
       }
   }