cat > /etc/nginx/nginx.conf <<NGX
user www-data;
pid /run/nginx.pid;

  # you must set worker processes based on your CPU cores, nginx does not benefit from setting more than that
  worker_processes auto; #some last versions calculate it automatically

  # number of file descriptors used for nginx
  # the limit for the maximum FDs on the server is usually set by the OS.
  # if you don't set FD's then OS settings will be used which is by default 2000
  worker_rlimit_nofile 100000;

  # Ubuntu 18.04 and Debian 9 requires the fancyindex module to be loaded
  load_module "modules/ngx_http_fancyindex_module.so";

events {
  worker_connections 1024;
  multi_accept on;
  use epoll;
}

http {

  ##
  # Basic Settings
  ##

  #sendfile on;
  #tcp_nopush on;
  #tcp_nodelay on;
  #keepalive_timeout 65;
  types_hash_max_size 2048;
  server_tokens off;

  # server_names_hash_bucket_size 64;
  # server_name_in_redirect off;
  include /etc/nginx/mime.types;
  default_type application/octet-stream;

  # cache informations about FDs, frequently accessed files
  # can boost performance, but you need to test those values
  #open_file_cache max=200000 inactive=20s;
  #open_file_cache_valid 30s;
  #open_file_cache_min_uses 2;
  #open_file_cache_errors on;

  ##
  # SSL Settings
  ##
  ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
  ssl_prefer_server_ciphers on;

  ##
  # Logging Settings
  ##
  access_log off;
  error_log /var/log/nginx/error.log crit;

  # copies data between one FD and other from within the kernel
  # faster then read() + write()
  sendfile on;

  # send headers in one peace, its better then sending them one by one
  tcp_nopush on;

  # don't buffer data sent, good for small data bursts in real time
  tcp_nodelay on;

  ##
  # Gzip Settings
  ##
  gzip on;
  gzip_disable "msie6";
  gzip_vary on;
  gzip_proxied expired no-cache no-store private auth;
  gzip_min_length 1024;
  gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

  #gzip on; - enables gzip compression
  #gzip_vary on: - tells proxies to cache both gzipped and regular versions of a resource
  #gzip_min_length 1024; - informs NGINX to not compress anything smaller than the defined size
  #gzip_proxied - compress data even for clients that are connecting via proxies (here we're enabling compression if: a response header includes the "expired", "no-cache", "no-store", "private", and "Authorization" parameters)
  #gzip_types - enables the types of files that can be compressed
  #gzip_disable "MSIE [1-6]\."; - disable compression for Internet Explorer versions 1-6

  # allow the server to close connection on non responding client, this will free up memory
  reset_timedout_connection on;

  # request timed out -- default 60
  client_body_timeout 10;

  # if client stop responding, free up memory -- default 60
  send_timeout 2;

  # server will close connection after this time -- default 75
  keepalive_timeout 30;

  # number of requests client can make over keep-alive -- for testing environment
  #keepalive_requests 100000;

  ##
  # Virtual Host Configs
  ##

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