nginx.conf

# worker_processes auto;  ## Default: 1

events {
    worker_connections 300;
}

http {
    access_log off;# para aumentar a E/S no HDD, podemos desabilitar os logs de acesso 
    error_log /dev/null emerg;
    sendfile on ; # mais rápido que read() + write() 
    
    keepalive_timeout 1d;
    send_timeout 1d;
    client_body_timeout 1d;
    client_header_timeout 1d;
    proxy_connect_timeout 1d;
    proxy_read_timeout 1d;
    proxy_send_timeout 1d;
    fastcgi_connect_timeout 1d;
    fastcgi_read_timeout 1d;
    fastcgi_send_timeout 1d;
    memcached_connect_timeout 1d;
    memcached_read_timeout 1d;
    memcached_send_timeout 1d;

    upstream api {
        server api-01:3001;
        server api-02:3001;
    }

    server {
        listen 9999;
        
        location / {
            proxy_pass http://api;
        }
    }

}