user  root root;
worker_processes  auto;
worker_rlimit_nofile  65535;

pid        /var/run/nginx.pid;

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

http {
    # MIME SETTINGS
    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;

    # SETTINGS
    sendfile                        on;
    tcp_nopush                      on;
    tcp_nodelay                     on;
    client_header_timeout           1m;
    client_body_timeout             1m;
    client_header_buffer_size       2k;
    client_body_buffer_size         256k;
    client_max_body_size            2000M;
    large_client_header_buffers     4   8k;
    send_timeout                    30;
    keepalive_timeout               60 60;
    reset_timedout_connection       on;
    server_tokens                   off;
    server_name_in_redirect         off;
    server_names_hash_max_size      512;
    server_names_hash_bucket_size   512;

    # COMPRESSION
    gzip                on;
    gzip_comp_level     9;
    gzip_min_length     512;
    gzip_buffers        8 64k;
    gzip_types          text/plain text/css text/javascript text/js text/xml application/json application/javascript application/x-javascript application/xml application/xml+rss application/x-font-ttf image/svg+xml font/opentype;
    gzip_proxied        any;
    gzip_disable        "MSIE [1-6]\.";

    # PROXY SETTINGS
    proxy_redirect      off;
    proxy_set_header    Host            $host;
    proxy_set_header    X-Real-IP       $remote_addr;
    proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header    GEOIP-COUNTRY-CODE $geoip2_data_country_code;
    proxy_pass_header   Set-Cookie;
    proxy_connect_timeout   90;
    proxy_send_timeout  90;
    proxy_read_timeout  90;
    proxy_buffers       32 4k;

    # CACHE SETTINGS
    proxy_cache_path /var/cache/nginx levels=2 keys_zone=cache:10m inactive=60m max_size=1024m;
    proxy_cache_key "$host$request_uri $cookie_user";
    proxy_temp_path  /var/cache/nginx/temp;
    proxy_ignore_headers Expires Cache-Control;
    proxy_cache_use_stale error timeout invalid_header http_502;
    proxy_cache_valid any 1d;

    # FILE CACHE SETTINGS
    open_file_cache          max=10000 inactive=30s;
    open_file_cache_valid    60s;
    open_file_cache_min_uses 2;
    open_file_cache_errors   off;

    # LOG FORMAT
    log_format  main    '$remote_addr - $remote_user [$time_local] $request '
                        '"$status" $body_bytes_sent "$http_referer" '
                        '"$http_user_agent" "$http_x_forwarded_for"';
    log_format  bytes   '$body_bytes_sent';
    #access_log          /var/log/nginx/access.log main;
    access_log off;
    error_log /var/log/nginx/error.log crit;

    # INCLUDE GEOIP COUNTRIES
    geoip2 /usr/src/GeoLite2-Country.mmdb {
            $geoip2_data_country_code country iso_code;
    }

    server {
        listen   80 default_server;
        root /var/www/html;

        # CLEAN DOUBLE SLASHES
        if ($request_uri ~* "\/\/") {
            rewrite ^/(.*) /$1 permanent;
        }

        location ~* ^.+\.(?:css|cur|js|jpe?g|gif|htc|ico|png|html|otf|ttf|eot|woff|woff2|svg)$ {
            access_log off;
            expires 365d;

            try_files $uri @proxy;
        }

        location / {
            proxy_pass http://10.43.32.18:80;
        }

        location @proxy {
            proxy_pass http://10.43.32.18:80;
        }
    }
}