尝试一下. 使用以下任何一种方法找到您的php.ini文件.

Try this. Find your php.ini file using any of these methods.

<?php phpinfo(); ?>
<?php echo php_ini_loaded_file(); ?> 

-或/bin/bash进入容器并运行以下命令之一

-- OR /bin/bash into your container and run one of these commands

php --ini
php -i | grep 'php.ini'
find / -name php.ini

在以下几行中取消注释(删除；)；

Uncomment (remove the ;) from the following lines

extension=pdo.so
extension=pdo_mysql.so
extension=pdo_sqlite.so
extension=mysql.so

保存，退出并运行

service apache2 restart