Оптимизированный nginx.config

user  nginx;
worker_processes  2;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  2048;
}


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"';

    #access_log  /var/log/nginx/access.log  main;
    access_log off;

    proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=all:32m max_size=1g;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    gzip on;
    gzip_disable "msie6";
    gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript application/javascript;

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

    server {
        listen 80;

        location / {
                proxy_pass http://127.0.0.1:81/;
                proxy_cache all;
                proxy_cache_valid 404 502 503 1m;
                proxy_cache_valid any 1h;
        }
    }

    server {
        listen 81;

        location / {
            root /data/www;
        }

        location /images/ {
            root /data;
        }
    }
}