Docker 中安装VIM docker

docker容器中有许多默认是没有安装vim的，如果需要编辑配置文件的话，那么就需要手动安装vim了。
如果直接使用：apt-get install vim;
则会出现如下错误：

Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation:The following packages have unmet dependencies: vim : Depends: libgpm2 (>= 1.20.4) but it is not installable E: Unable to correct problems, you have held broken packages.

既然直接安装不行，那么就安装tiny版的vim吧

执行apt-get update 获取更新
执行apt-cache search vim 可以查询到所有vim相关的
执行apt-get install vim-tiny进行安装
输入y即可

【Docker 中安装VIM】安装完成后，vi指令就可以使用了，但是又出现了另外一个问题，在vi界面中上下左右会变成ABCD字母，得需要按住ctrl才可以正确执行。
解决办法：
执行：vi /etc/vim/vimrc.tiny 将set compatible改为set nocompatible即可