Nginx下缓存静态文件（如css js)http://www.bieryun.com/1373.html

目的：缓存nginx服务器的静态文件。如css,js,htm,html,jpg,gif,png,flv,swf，这些文件都不是经常更新。便于缓存以减轻服务器的压力。
实现： nginxproxy_cache可以将用户的请缓存到本地一个目录，当下一个请求时可以直接调取缓存文件，就不用去后端服务器去取文件了。
配置： 打开配置文件/etc/nginx/nginx.conf

user  www www;
worker_processes 2;
error_log /var/log/nginx/nginx_error.log  crit;
worker_rlimit_nofile 65535;
events
{
use epoll;
worker_connections 65535;
}

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

server_names_hash_bucket_size 128;
client_header_buffer_size 32k;
large_client_header_buffers 4 32k;
client_max_body_size 8m;

sendfile on;
tcp_nopush    on;
keepalive_timeout 0;
tcp_nodelay on;

fastcgi_connect_timeout 300;
fastcgi_send_timeout 300;
fastcgi_read_timeout 300;
fastcgi_buffer_size 64k;
fastcgi_buffers 4 64k;
fastcgi_busy_buffers_size 128k;
fastcgi_temp_file_write_size 128k;
##cache##
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;
proxy_temp_path /home/temp_dir;
proxy_cache_path /home/cache levels=1:2keys_zone=cache_one:200m inactive=1d max_size=30g;
##end##

gzip   on;
gzip_min_length   1k;
gzip_buffers  4 8k;
gzip_http_version 1.1;
gzip_types  text/plain application/x-javascript text/css application/xml;
gzip_disable "MSIE [1-6]\.";

log_format access  '$remote_addr - $remote_user [$time_local]"$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" $http_x_forwarded_for';
upstream appserver {
server 192.168.1.251;
}
server {
listen      80 default;
server_name blog.slogra.com;
location~ .*\.(gif|jpg|png|htm|html|css|js|flv|ico|swf)(.*) {
proxy_pass http://appserver ;
proxy_redirect off;
proxy_set_header Host $host;
proxy_cache cache_one;
proxy_cache_valid 200 302 1h;
proxy_cache_valid 301 1d;
proxy_cache_valid any 1m;
expires 30d;
}
location ~ .*\.(php)(.*){
proxy_pass http://appserver ;
proxy_set_header       Host $host;
proxy_set_header       X-Real-IP $remote_addr;
proxy_set_header