1，进入docker

2，cp php.ini

3,   cd到目录

[root@3 ~]# docker exec -it wordpress /bin/bash
root@1d8a4fbdaa6b:/var/www/html# cp /usr/local/etc/php/php.ini-production /usr/local/etc/php/php.ini
root@1d8a4fbdaa6b:/var/www/html# cd /usr/local/etc/php

4，update apt

5，安装vim

root@1d8a4fbdaa6b:/usr/local/etc/php# apt-get update
root@1d8a4fbdaa6b:/usr/local/etc/php# apt-get install vim

6，vi php.ini

  /upload  查找upload

修改

upload_max_filesize = 200M    #文件大小限制
post_max_size = 250M    #post大小限制
memory_limit = 500M        #内存占用限制

7，docker start

[root@3 ~]# docker restart wordpress
wordpress