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Nginx缓存简介
Nginx缓存方式有两种：
永久性的缓存：这种缓存若不手动删除，该缓存文件会一直生效，因此，永久缓存只是用于缓存网站中几乎不会更改的内容；
临时缓存：这种缓存是根据请求连接进行哈希后，根据具体配置生成缓存文件目录，保存响应的数据，这个缓存的内容是可以删除的，具体时间自己可以设置；
Nginx永久缓存配置
server {listen 80;listen [::]:80;listen 443 ssl http2;listen [::]:443 ssl http2;ssl_certificate /usr/local/nginx/conf/ssl/static.oneinstack.com.crt;ssl_certificate_key /usr/local/nginx/conf/ssl/static.oneinstack.com.key;ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;ssl_ciphers TLS13-AES-256-GCM-SHA384:TLS13-CHACHA20-POLY1305-SHA256:TLS13-AES-128-GCM-SHA256:TLS13-AES-128-CCM-8-SHA256:TLS13-AES-128-CCM-SHA256:EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;ssl_prefer_server_ciphers on;ssl_session_timeout 10m;ssl_session_cache builtin:1000 shared:SSL:10m;ssl_buffer_size 1400;add_header Strict-Transport-Security max-age=15768000;ssl_stapling on;ssl_stapling_verify on;server_name static.oneinstack.com;access_log /data/wwwlogs/static.oneinstack.com_nginx.log combined;index index.html index.htm index.php;if ($ssl_protocol = "") { return 301 https://$host$request_uri; }location / {root /data/wwwroot/static.oneinstack.com;proxy_store on; # 开启本地缓存proxy_store_access user:rw group:rw all:r; # 设置缓存的读写规则proxy_temp_path cache_temp; # 设置反向代理接受的数据临时存储文件的目录，配置生效时候会自动创建if (!-e $request_filename) {proxy_pass https://xxxx.oss-cn-hangzhou.aliyuncs.com;}}}
