优化Nginx的gzip_static配置让Rails的AssetPipeline的技持压缩gz传输
Posted
./configure --with-http_gzip_static_module
gzip on;
gzip_min_length 1024;
gzip_buffers 4 8k;
gzip_types text/plain application/x-javascript text/css text/html application/xml;
gzip_types:要gz的mine类型,据江湖传言text/html这个类型总会被压缩,不管指不指定!
location ~ ^/(assets)/ {
gzip_static on; # to serve pre-gzipped version
expires max;
add_header Cache-Control public;
}
[~] $ curl -I -H "Accept-Encoding: gzip,deflate,sdch" http://www.xxx.com/assets/application.css
HTTP/1.1 200 OK
Server: nginx
... ...
Content-Type: text/css
Content-Length: 17790
Connection: keep-alive
Content-Encoding: gzip #显示这个说明gz传递开启
... ...
Cache-Control: public
补充说明:
###nginx会自动gz压缩!
如一个在assets目标下的一个名为xxxx.css文件。当chrome请求的时候,nginx没有发现xxxx.css.gz那么nginx会先把xxxx.css压缩成xxxx.css.gz,然后发送给chrome!
Rails就提供了rake assets:precompile方案,把js,css,图片,都打开gz文件!让chrome请求的时候,nginx无须打压缩了,可以省占用CPU与内存了,也省带宽!
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