nginx.conf

user www-data;

# Set this parameters to the number of CPU core
# cat /proc/cpuinfo | grep processor | wc -l
worker_processes  1;
worker_rlimit_nofile 8192;
events {
    # max_clients = worker_processes * worker_connections
    worker_connections  1024;
    # Only for Linux 2.6 or >
    use epoll;
    # Accept as many connections as possible
    multi_accept on;
}

http {
	include       	mime.types;
	default_type  	application/octet-stream;
      
    # Hide the Nginx version number
    server_tokens               off;

    # Tweeks
	sendfile        		    on;
	tcp_nodelay                 on;
	tcp_nopush			        off;
	keepalive_timeout  		    65;
	client_body_timeout   	    30;
	client_header_timeout 	    30;
	send_timeout          	    30;
	client_max_body_size	    8M;
    reset_timedout_connection   on;

    # Log
	set_real_ip_from 	127.0.0.1; 
	real_ip_header 		X-Forwarded-For; 
    log_format  main '$remote_addr - $remote_user [$time_local]  $status '
        '"$request" $body_bytes_sent "$http_referer" '
            '"$http_user_agent" "$http_x_forwarded_for"';

    # GZip module
	gzip  			    on;
	gzip_disable 		"MSIE [1-6].(?!.*SV1)";
	gzip_vary 		    on;
	gzip_comp_level 	3;
	gzip_proxied 		any;
	gzip_buffers 		16 8k;
    gzip_types          text/css text/javascript;

	include /etc/nginx/conf.d/*.conf;
	include /etc/nginx/sites-enabled/*;
}