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# nginx开启br压缩
参考项目[brotli](https://github.com/google/ngx_brotli)
**br压缩只能在https中开启。**
## 编译模块
下载nginx源码用于编译模块, 不需要编译nginx,源码需要与运行的nginx版本对应。
```bash
wget http://nginx.org/download/nginx-1.21.6.tar.gz
tar xf nginx-1.21.6.tar.gz
```
下载项目源码
```bash
git clone https://github.com/google/ngx_brotli.git
```
安装依赖包
```bash
yum install brotli brotli-devel pcre2-devel
```
配置并编译
```
cd nginx-1.21.6
./configure --with-compat --add-dynamic-module=/home/kun1h/git/ngx_brotli/
make modules
```
编译好的模块在objs目录。
## 运行并加载模块
使用docker运行nginx
```bash
sudo docker run --name nginx -p 80:80 -v /data/nginx/modules:/usr/lib/nginx/modules/extend -v /data/nginx/conf.d:/etc/nginx/conf.d -v /data/nginx/html:/var/www/html -v /data/nginx/logs:/var/log/nginx -v /data/nginx/nginx.conf:/etc/nginx/nginx.conf -d nginx:1.21
```
配置nginx.conf。添加以下内容到nginx.conf的顶部
```bash
#for modules
load_module modules/extend/ngx_http_brotli_filter_module.so;
load_module modules/extend/ngx_http_brotli_static_module.so;
```
配置必须位于 `event {}``http {}`之前
开启br压缩
```conf
brotli on;
brotli_comp_level 6;
brotli_buffers 16 8k;
brotli_min_length 20;
brotli_types *; #*表示压缩所有资源,也可以指定资源类型
```