业务需求nginx对后端tomcat(静态文件)做缓存 减轻后端服务器的压力
# nginx-1.6.2.tar.gz ngx_cache_purge-2.3.tar.gz
#编译安装
./configure --add-module=../ngx_cache_purge-2.3 --prefix=/usr/local/nginx --pid-path=/var/run/nginx/nginx.pid --lock-path=/var/lock/nginx.lock --user=nginx --group=nginx --with-http_ssl_module --with-http_gzip_static_module --with-http_stub_status_modulemake && make install
#安装ngx_cache_purge后 必须重启nginx才能生效(reload无效 报错 unknown directive “proxy_cache_purge”)
#定义缓存目录
proxy_temp_path /data/proxy_temp_dir;proxy_cache_path /data/proxy_cache_dir levels=1:2 keys_zone=cache_one:200m inactive=1d max_size=30g;
#虚拟主机中配置 student.confserver {listen 80;server_name ;access_log /var/log/nginx/student_access.log cache;error_log /var/log/nginx/student_error.log ;location ~ /purge(/.*) #(测试 必须写在location上面 否则刷新不成功 why){allow ip;#(写成127.0.0.1时 测试不生效 why)(所以写成主机ip)deny all;proxy_cache_purge cache_one $host$1$is_args$args;}location ~ .*\.(gif|jpg|jpeg|png|bmp|ico|js|css)$ {proxy_cache cache_one;proxy_cache_valid 200 304 12h;proxy_cache_key $host$uri$is_args$args;#expires 30d;add_header X-Cache $upstream_cache_status;include /usr/local/nginx/vhost/proxy.configure;proxy_pass http://student_server;}location / {include /usr/local/nginx/vhost/proxy.configure;proxy_pass http://student_server;}
#定义日志log_format cache '$remote_addr [$time_local] "$request" ''"$upstream_status" $body_bytes_sent "$http_referer" ''"$http_user_agent" ''"$upstream_addr" "$upstream_response_time" $upstream_cache_status'; $upstream_cache_status 定义浏览器中的缓存状态 HIT MISS EXPIRED
#example
/resource/images/login13.png
清除缓存
curl /purge/resource/images/login13.png
内容转自/metasequoia/p/4243648.html
