Template balanceador de carga nginx

gistfile1.txt

```
user www-data;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
}

http {
    include /etc/nginx/mime.types;
    default_type application/octet-stream;
    access_log /var/log/nginx/access.log;

    upstream backend {
        server 127.0.0.1:7000;
        server 127.0.0.1:5000;
        # Agregar otros servidores aquí si es necesario
    }

    server {
        root /var/www/html;
        index index.html index.htm index.nginx-debian.html;
        server_name 127.0.0.1;  # Nombre del servidor para localhost

        location / {
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Host $host;

            proxy_pass http://backend; # Usar el grupo de servidores
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
        }

        listen 8000;
    }

    # Puedes agregar otros servidores o configuraciones aquí si es necesario
}
```