html5bp nginx config for Ubuntu

nginx.conf

# Set another default user than root for security reasons
user www-data;

# As a thumb rule: One per CPU. If you are serving a large amount
# of static files, which requires blocking disk reads, you may want
# to increase this from the number of cpu_cores available on your
# system.
#
# The maximum number of connections for Nginx is calculated by:
# max_clients = worker_processes * worker_connections
worker_processes 4;

# PID file
pid /var/run/nginx.pid;

# Maximum file descriptors that can be opened per process
# This should be > worker_connections
worker_rlimit_nofile 8192;

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

http {
  # Set the mime-types via the mime.types external file
  include mime.types;

  # And the fallback mime-type
  default_type application/octet-stream;

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

  # Logging
  access_log /var/log/nginx/access.log;
  error_log /var/log/nginx/error.log;

  # Hide nginx version
  server_tokens off;

  # ~2 seconds is often enough for HTML/CSS, but connections in
  # Nginx are cheap, so generally it's safe to increase it
  keepalive_timeout 20;

  # You usually want to serve static files with Nginx
  sendfile on;

  tcp_nopush on; # off may be better for Comet/long-poll stuff
  tcp_nodelay off; # on may be better for Comet/long-poll stuff

  # Enable Gzip:
  gzip on;
  gzip_http_version 1.0;
  gzip_comp_level 5;
  gzip_min_length 512;
  gzip_buffers 4 8k;
  gzip_proxied any;
  gzip_types
    # text/html is always compressed by HttpGzipModule
    text/css
    text/plain
    text/x-component
    application/javascript
    application/json
    application/xml
    application/xhtml+xml
    application/x-font-ttf
    application/x-font-opentype
    application/vnd.ms-fontobject
    image/svg+xml
    image/x-icon;

  # This should be turned on if you are going to have pre-compressed copies (.gz) of
  # static files available. If not it should be left off as it will cause extra I/O
  # for the check. It would be better to enable this in a location {} block for
  # a specific directory:
  # gzip_static on;

  gzip_disable "msie6";
  gzip_vary on;

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