nginx.conf

worker_processes auto;

events {
	worker_connections 4096;
    use epoll;
    multi_accept on;
}
http {
    access_log off;

    tcp_nopush on;
    tcp_nodelay on;

    keepalive_timeout 65;
    keepalive_requests 1000;


    upstream api {
        server api01:8080;
        server api02:8080;
    }

    server {
        listen 9999; # Lembra da porta 9999 obrigatória?
        
        location / {
            proxy_pass http://api;

            proxy_buffers 16 32k;
            proxy_buffer_size 64k;

            # Timeouts
            proxy_connect_timeout 90s;
            proxy_send_timeout 90s;
            proxy_read_timeout 90s;

            # Outras otimizações
            proxy_redirect off;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
        }
    }
}