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Requirement : In the actual use of docker, some machines cannot access the Internet, but some docker images are needed, so we can pull the docker image on the machine that can access the Internet, and then save it as a tar file, so that it can be used directly Used it on another machine.
Save the image file
1. Start the target image and view it, docker ps
2. Download the digapiss/axis mirror
docker save -o 镜像名字.tar digapiss/axis
3. Save in the current path by default
In this way we will save the image.
Restore image file
We will restore the saved image file, first delete the image we had at the beginning, if it is another machine, don't delete it.
1. First close the running container, then view the image, docker images, and then delete the image
docker rmi -f 镜像名字
Has been deleted
2. Import the saved image
docker load --input axis1.4.tar
Check whether the pouring is successful, it can be seen that the pouring has been successful
3. Start the imported image
docker run -itd 镜像名字
It can be seen that the container has been started