一个http代理服务器，目标成为 缓存服务器，api网关等中间层服务器
- cache key 配置定义
必须存在 systemd 服务 仅测试过 Centos7
- git clone REPO
- sudo make install
- systemctl status swoole-http-proxy
WARNING: make install will overwrite config files !
/etc/swoole-http-proxy/config.php
/etc/swoole-http-proxy/cache.php