docker export需要指定container,不能像docker save那样指定image或container都可以。 将打包的container载入进来使用docker import,例如: 1 docker import postgres-export.tar postgres:latest 从上面的命令可以看出,docker import将container导入后会成为一个image,而不是恢复为一个container。 另外一点是,docker import可以...
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 89e35ee3bc0e cf49811e3cdb “/bin/bash” 22 seconds ago Up 21 seconds centos7.5 [root@localhost dockerworking]# docker container exec -it 89e35ee3bc0e /bin/bash [root@89e35ee3bc0e /]# yum install -y openssh Loaded plugins: fastes...
4.3 Creating a Docker Image from an Existing Container If you modify the contents of a container, you can use thedocker commitcommand to save the current state of the container as an image. The following example demonstrates how to modify an container based on theoraclelinux:6.6image so that ...
docker save-o mynginx1.tar nginx 1. 然后docker load 导入这个docker image docker load<mynignx1.ta 1. PS:docker save 和docker export的区别: docker export 是导出最终的产物,docker save能保存所有相关的历史信息和metadata. 所以export导出的包会比save导出的包体积小。 docker 删除image docker rmi myni...
If you need to change something, you’ll have to start with a new container that includes your updates, and then save these updates as a new image. Alternatively, you can use an existing image to start a new container and make your changes in this new container. After successfully ...
Get a debug shell into any container or image with the new docker debug command (Beta). Organization admins, with a Docker Business subscription, can now configure a custom list of extensions with Private Extensions Marketplace enabled (Beta) ...
(not intermediary layers). These images occur when a new build of an image takes therepo:tagaway from the image ID, leaving it as<none>:<none>or untagged. A warning will be issued if trying to remove an image when a container is presently using it. By having this flag it allows for...
docker save保存的是镜像(image),docker export保存的是容器(container); docker load用来载入镜像包,docker import用来载入容器包,但两者都会恢复为镜像; docker load不能对载入的镜像重命名,而docker import可以为镜像指定新名称。 脑洞 前面所讲的内容都是些基础知识,相信各位读者只要仔细看下官方文档就能知晓。这一...
I have an azure devops pipeline. Basically, what I am trying to do is build a docker image and then push it to our azure container registry. I can build the image but when I try to save it as a .tar file no matter what I do it can’t find the image. I have listed the pipel...
The Dockerfile is a text file that contains the instructions needed to create a new container image. These instructions include identification of an existing image to be used as a base, commands to be run during the image creation process, and a command that will run when new instances of ...