Swoole 官方 Docker 鏡像：https://github.com/swoole/docker-swoole
使用方法：
docker pull phpswoole/swoole
docker run --rm phpswoole/swoole "php -m"
docker run --rm phpswoole/swoole "php --ri swoole"
docker run --rm phpswoole/swoole "composer --version"
使用方法：
docker pull phpswoole/swoole
docker run --rm phpswoole/swoole "php -m"
docker run --rm phpswoole/swoole "php --ri swoole"
docker run --rm phpswoole/swoole "composer --version"