user www-data;
worker_processes auto;
pid /var/run/nginx.pid;

events {
  use epoll;
  worker_connections 10000;
  multi_accept on;
  accept_mutex on;
}

http {
  limit_req_zone $binary_remote_addr zone=users:10m rate=5r/s;
  limit_req_zone $binary_remote_addr zone=posts:100m rate=10r/s;

  ##
  # Basic Settings
  ##

  sendfile on;
  tcp_nopush on;
  tcp_nodelay on;
  keepalive_timeout 5;
  types_hash_max_size 2048;
  # server_tokens off;

  server_names_hash_bucket_size 128;
  # server_name_in_redirect off;

  include /etc/nginx/mime.types;
  default_type application/octet-stream;

  ##
  # Logging Settings
  ##

  access_log off;
  error_log /var/log/nginx/error.log;

  ##
  # Gzip Settings
  ##

  gzip on;
  gzip_disable "msie6";

  gzip_http_version 1.1;
  gzip_vary on;
  gzip_comp_level 5;
  gzip_proxied any;
  gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/rss+xml text/javascript application/atom+xml;

  # curl https://www.cloudflare.com/ips-v4 | sort
  set_real_ip_from 103.21.244.0/22;
  set_real_ip_from 103.22.200.0/22;
  set_real_ip_from 103.31.4.0/22;
  set_real_ip_from 104.16.0.0/12;
  set_real_ip_from 108.162.192.0/18;
  set_real_ip_from 131.0.72.0/22;
  set_real_ip_from 141.101.64.0/18;
  set_real_ip_from 162.158.0.0/15;
  set_real_ip_from 172.64.0.0/13;
  set_real_ip_from 173.245.48.0/20;
  set_real_ip_from 188.114.96.0/20;
  set_real_ip_from 190.93.240.0/20;
  set_real_ip_from 197.234.240.0/22;
  set_real_ip_from 198.41.128.0/17;
  set_real_ip_from 199.27.128.0/21;

  # curl https://www.cloudflare.com/ips-v4 | sort
  set_real_ip_from 2400:cb00::/32;
  set_real_ip_from 2606:4700::/32;
  set_real_ip_from 2803:f800::/32;
  set_real_ip_from 2405:b500::/32;
  set_real_ip_from 2405:8100::/32;
  set_real_ip_from 2a06:98c0::/29;
  set_real_ip_from 2c0f:f248::/32;

  real_ip_header CF-Connecting-IP;

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