安装OpenSSL，nginx安装openssl模块

1. OpenSSL官网下载 https://www.openssl.org/source/
2. 下载并解压后进入目录 编译安装./config --prefix=/usr/local/openssl可以指定目录，默认是/usr/local/ssl

./config 
make 
make install 
make -t 
make depend 

3. 设置环境变量/etc/profile增加export PATH=$PATH:/usr/local/ssl/bin/；然后执行source /etc/profile
   docker设置ENV PATH=$PATH:/usr/local/ssl/bin/

4. openssl version -a查看版本
   

5. nginx安装openssl

./configure --with-openssl=/usr/local/ssl