Nginx 反向代理并缓存及缓存清除的方法

本文介绍了Nginx 反向代理并缓存及缓存清除的方法，分享给大家，具体如下：

一. Nginx 配置

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									#user nobody;

									worker_processes 1;

									#error_log logs/error.log;

									#error_log logs/error.log notice;

									#error_log logs/error.log info;

									#pid    logs/nginx.pid;

									events {

									  worker_connections 1024;

									}

									http {

									  log_format main '$remote_addr - $remote_user [$time_local] "$request" '

									           '$status $body_bytes_sent "$http_referer" '

									           '"$http_user_agent" "$http_x_forwarded_for"'

									       '$upstream_addr $upstream_status $request_time $upstream_response_time';

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

									  error_log  /var/log/nginx/error.log;

									  server_tokens off;

									  include    mime.types;

									  default_type application/octet-stream;

									  sendfile    on;

									  tcp_nopush   on;

									  client_max_body_size 10m;

									  client_body_buffer_size 128k;

									  proxy_connect_timeout 300;

									  proxy_send_timeout 300;

									  proxy_read_timeout 300;

									  proxy_buffer_size 64k;

									  proxy_buffers 4 512k;

									  proxy_busy_buffers_size 512k;

									  proxy_temp_file_write_size 512k;

									  proxy_temp_path  /data/nginx/proxy_temp;

									  proxy_cache_path /data/nginx/proxy_cache levels=1:2 keys_zone=cache_one:2000m inactive=3d max_size=500g;

									  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;

									  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;

									  upstream go {

									    server www.cnblogs.com:80 weight=4;

									    #server 42.121.252.58:80 weight=4;

									  }

									  server {

									      listen  192.168.55.133:80;

									      #server_name www.cnblogs.com;

									      access_log /var/log/nginx/go.access.log main;

									      error_log  /var/log/nginx/go.error.log error;

									      location / {

									          proxy_cache cache_one;

									          #proxy_cache_valid 200 304 301 302 2h;

									          #proxy_cache_valid any 2h;

									          #expires 1d;

									          add_header X-Cache $upstream_cache_status;

									          proxy_pass http://go;

									          proxy_cache_key  $uri$is_args$args;

									      }

									      location ~ /purge(/.*) {

									        allow       127.0.0.1;

									        allow       192.168.55.0/24;

									        deny        all;

									        proxy_cache_purge cache_one $1$is_args$args;

									    }

									  }

									}