gistfile1.txt

upstream appserver {
	server localhost:8000;
	server localhost:8001;
	server localhost:8002;
	server localhost:8003;
	server localhost:8004;
}

server {
    listen 80;

    server_name yourawesomewebsite.com;
    location / {
        proxy_pass http://appserver;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }
}