Nginx reverse proxy, cache and cache clearing example analysis

一. nginx 配置

#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;
    }

  }
}

二. 测试

1.首次访问

 2.刷新一次，也就是第二次访问

3.缓存清理

The above is the detailed content of Nginx reverse proxy, cache and cache clearing example analysis. For more information, please follow other related articles on the PHP Chinese website!