转自:
https://www.cnblogs.com/daysn/p/12365951.html
docker里面的ubantu容器没有带vim，想下个vim
apt-get install vim
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package vim
解决:
apt-get update && apt-get install apt-file -y && apt-file update && apt-get install vim –y