events {}
http {
  server {
        access_log  /dev/fd/1;
        error_log   /dev/fd/2;
        location / {
            proxy_pass             http://172.23.42.2:9001/;
            proxy_set_header       Host $host;
            proxy_pass_header Server;
            # be careful, this line doesn't override any proxy_buffering on set in a conf.d/file.conf
            proxy_buffering off;
            proxy_set_header X-Real-IP $remote_addr;  # http://wiki.nginx.org/HttpProxyModule
            proxy_set_header X-Forwarded-For $remote_addr; # EP logs to show the actual remote IP
            proxy_set_header X-Forwarded-Proto $scheme; # for EP to set secure cookie flag when https is used
            proxy_set_header Host $host;  # pass the host header                                                   
            proxy_http_version 1.1;  # recommended with keepalive connections                                                    
            # WebSocket proxying - from http://nginx.org/en/docs/http/websocket.html
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;
        }
	}
  map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
  }
}