./configure --user=www --group=www --prefix=/opt/nginx --with-http_stub_status_module --with-http_ssl_module
make && make install

user  www www;
worker_processes 8;
error_log  /opt/nginx/logs/nginx_error.log  crit;
pid        /opt/nginx/nginx.pid;

#Specifies the value for maximum file descriptors that can be opened by this process.
worker_rlimit_nofile 65535;

events
{
use epoll;
worker_connections 65535;
}

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

charset  utf-8;

server_names_hash_bucket_size 128;
client_header_buffer_size 32k;
large_client_header_buffers 4 32k;
client_max_body_size 300m;

sendfile on;
tcp_nopush     on;

keepalive_timeout 60;

tcp_nodelay on;

client_body_buffer_size  512k;
proxy_connect_timeout    5;
proxy_read_timeout       60;
proxy_send_timeout       5;
proxy_buffer_size        16k;
proxy_buffers            4 64k;
proxy_busy_buffers_size 128k;
proxy_temp_file_write_size 128k;

gzip on;
gzip_min_length  1k;
gzip_buffers     4 16k;
gzip_http_version 1.1;
gzip_comp_level 2;
gzip_types       text/plain application/x-javascript text/css application/xml;
gzip_vary on;

#注：proxy_temp_path和proxy_cache_path指定的路径必须在同一分区
proxy_temp_path   /data/proxy_temp_dir;
#设置Web缓存区名称为cache_one，内存缓存空间大小为200MB，1天没有被访问的内容自动清除，硬盘缓存空间大小为30GB。
proxy_cache_path  /data/proxy_cache_dir  levels=1:2   keys_zone=cache_one:200m inactive=1d max_size=30g;

upstream backend_server {
server   192.168.8.43:80 weight=1 max_fails=2 fail_timeout=30s;
server   192.168.8.44:80 weight=1 max_fails=2 fail_timeout=30s;
server   192.168.8.45:80 weight=1 max_fails=2 fail_timeout=30s;
}

server
{
listen       80;
server_name  *.yourdomain.com;
index index.html index.htm;
root  /data/htdocs/www;

location /
{
#如果后端的服务器返回502、504、执行超时等错误，自动将请求转发到upstream负载均衡池中的另一台服务器，实现故障转移。
proxy_next_upstream http_502 http_504 error timeout invalid_header;
proxy_cache cache_one;
#对不同的HTTP状态码设置不同的缓存时间
proxy_cache_valid  200 304 12h;
#以域名、URI、参数组合成Web缓存的Key值，Nginx根据Key值哈希，存储缓存内容到二级缓存目录内
proxy_cache_key $host$uri$is_args$args;
proxy_set_header Host  $host;
proxy_set_header X-Forwarded-For  $remote_addr;
proxy_pass http://backend_server;
expires      1d;
}

#扩展名以.php、.jsp、.cgi结尾的动态应用程序不缓存。
location ~ .*\.(php|jsp|cgi)?$
{
proxy_set_header Host  $host;
proxy_set_header X-Forwarded-For  $remote_addr;
proxy_pass http://backend_server;
}

access_log  off;
}
}

/opt/nginx/sbin/nginx