Docker 切換 container 工作目錄

docker run -w /usr/bin centos bash

轉換 docker container 執行權限

docker run -it -u `id -u $USER` centos /bin/bash

Docker Save, Export 差別

docker save [ID or Name] > image.tar
docker load <image.tar
所有dockfile 設定保留

docker export [ID or Name] > image.tar
cat image.tar | docker import - some_image_name
所有dockfile 設定全去除

自訂 docker image

1.tar --numeric-owner --exclude=/root --exclude=/proc --exclude=/sys -cvf centos6-base.tar /

2.cat centos6-base.tar | docker import - centos6-base

3.docker run -i -t centos6-base cat /etc/redhat-release