Стандартная настройка nginx.conf

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log crit;
pid       /var/run/nginx.pid;

events {
    worker_connections 4000;

    # Accept as many connections as possible after nginx gets notification
    # about a new connection.
    multi_accept on;
}

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

    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  additional  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for" '
                      'rt=$request_time uct="$upstream_connect_time" '
                      'uht="$upstream_header_time" urt="$upstream_response_time"';

    access_log  /var/log/nginx/access.log  main buffer=16k;

    server_tokens off;

    # Causes nginx to attempt to send its HTTP response head in one packet,
    # instead of using partial frames.
    tcp_nopush on;

    # Don't buffer data-sends (disable Nagle algorithm).
    tcp_nodelay on;

    # Timeout for keep-alive connections. Server will close connections 
    # after this time.
    keepalive_timeout 30;

    # Number of requests a client can make over the keep-alive connection.
    keepalive_requests 1000;

    # Allow the server to close the connection after a client stops responding.
    reset_timedout_connection on;

    # Send the client a "request timed out" if the body is not loaded 
    # by this time.
    client_body_timeout 10;

    # If the client stops reading data, free up the stale client connection
    # after this much time.
    send_timeout 2;

    # Compression.
    gzip on;
    gzip_vary on;
    gzip_min_length 10240;
    gzip_proxied any;
    gzip_disable "msie6";

    gzip_types
        # text/html is always compressed by HttpGzipModule
        text/css
        text/javascript
        text/xml
        text/plain
        text/x-component
        application/javascript
        application/x-javascript
        application/json
        application/xml
        application/rss+xml
        application/atom+xml
        font/truetype
        font/opentype
        application/vnd.ms-fontobject
        image/svg+xml;

    include /etc/nginx/conf.d/*.conf;
}