nginx.conf

worker_processes 4;

worker_rlimit_nofile 65536;

events {
    use epoll;
    worker_connections 16384;
}

http {
    gzip on;
    gzip_vary on;
    gzip_comp_level 9;
    gzip_min_length 500;
    gzip_proxied any;
    gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;

    client_body_timeout   32;
    client_header_timeout 32;
    send_timeout 120;

    client_body_buffer_size 10K;
    client_header_buffer_size 1k;
    client_max_body_size 8m;
    large_client_header_buffers 2 1k;
    upstream webapis {
        zone upstreams 64K;
        server webapi1:8080 max_fails=1 fail_timeout=2s;
        server webapi2:8080 max_fails=1 fail_timeout=2s;
        keepalive 4;
    }

    server {
        listen 9999;

        location / {
            proxy_pass http://webapis;
            proxy_buffering on;
        }
    }
}