nginx.conf

# nginx Configuration File
# http://wiki.nginx.org/Configuration

# Run as a less privileged user for security reasons.
user forge;

# How many worker threads to run;
# "auto" sets it to the number of CPU cores available in the system, and
# offers the best performance. Don't set it higher than the number of CPU
# cores if changing this parameter.

# The maximum number of connections for Nginx is calculated by:
# max_clients = worker_processes * worker_connections
worker_processes auto;

events {
  # When you need > 8000 * cpu_cores connections, you start optimizing your OS,
  # and this is probably the point at which you hire people who are smarter than
  # you, as this is *a lot* of requests. default is 768.
  worker_connections 768;
  multi_accept on;
}

# Default error log file
# (this is only used when you don't override error_log on a server{} level)
error_log  /var/log/nginx/error.log;
pid        /run/nginx.pid;

http {

  # Hide nginx version information.
  server_tokens off;

  # Control the maximum length of a virtual host entry
  # (the length of the domain name)
  server_names_hash_bucket_size 64;

  # Set the maximum size of the types hash tables
  types_hash_max_size 2048;

  # Define the MIME types for files.
  include       /etc/nginx/mime.types;
  default_type  application/octet-stream;

  # Update charset_types due to updated mime.types
  charset_types text/xml text/plain text/vnd.wap.wml application/x-javascript application/rss+xml text/css application/javascript application/json;

  # Format to use in log files
  log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                    '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent" "$http_x_forwarded_for"';

  # Default log file
  # (this is only used when you don't override access_log on a server{} level)
  access_log /var/log/nginx/access.log;

  # How long to allow each connection to stay idle; longer values are better
  # for each individual client, particularly for SSL, but means that worker
  # connections are tied up longer. (Default: 65)
  keepalive_timeout 20;

  # Speed up file transfers by using sendfile() to copy directly
  # between descriptors rather than using read()/write().
  sendfile        on;

  # Tell Nginx not to send out partial frames; this increases throughput
  # since TCP frames are filled up before being sent out. (adds TCP_CORK)
  tcp_nopush      on;

  # Tell Nginx to enable the Nagle buffering algorithm for TCP packets, which
  # collates several smaller packets together into one larger packet, thus saving
  # bandwidth at the cost of a nearly imperceptible increase to latency. (removes TCP_NODELAY)
  tcp_nodelay     on;

  # Compression

  # Enable Gzip compressed.
  gzip on;

  # Enable compression both for HTTP/1.0 and HTTP/1.1.
  gzip_http_version  1.1;

  # Compression level (1-9).
  # 5 is a perfect compromise between size and cpu usage, offering about
  # 75% reduction for most ascii files (almost identical to level 9).
  gzip_comp_level    5;

  # Don't compress anything that's already small and unlikely to shrink much
  # if at all (the default is 20 bytes, which is bad as that usually leads to
  # larger files after gzipping).
  gzip_min_length    256;

  # Compress data even for clients that are connecting to us via proxies,
  # identified by the "Via" header (required for CloudFront).
  gzip_proxied       any;

  # Tell proxies to cache both the gzipped and regular version of a resource
  # whenever the client's Accept-Encoding capabilities header varies;
  # Avoids the issue where a non-gzip capable client (which is extremely rare
  # today) would display gibberish if their proxy gave them the gzipped version.
  gzip_vary          on;

  # Compress all output labeled with one of the following MIME-types.
  gzip_types
    application/atom+xml
    application/javascript
    application/json
    application/rss+xml
    application/vnd.ms-fontobject
    application/x-font-ttf
    application/x-web-app-manifest+json
    application/xhtml+xml
    application/xml
    font/opentype
    image/svg+xml
    image/x-icon
    text/css
    text/plain
    text/x-component;
  # text/html is always compressed by HttpGzipModule
  
  # Default server if accessed by naked IP or undefined server_name
  server {
    listen 80;
    listen 443;
    return 403;
  }
  
  # Includes
  include /etc/nginx/conf.d/*.conf;
  include sites-enabled/*;

}