https://github.com/codeigniter4/framework
https://codeigniter.com/user_guide/index.html
1.封裝
docker build -t www .
2.啟動
docker run -d --name www -p 80:80 -p 3306:3306 -v $PWD:/web -v $PWD/mysqlfile:/var/lib/mysql www
dbname = dev
user = root
pwd = dev