The container package is essentially a mirror image
compression, spread to other machines
other machines load back, you can see the image, run up, ran up direct container
Storage containers for the mirror
We can save the following command vessel for the mirror
docker commit mynginx mynginx_i
Image backup
We can save the image with the following command as tar files
docker save -o mynginx.tar mynginx_i
Mirroring recovery and migration
First we removed mynginx_img mirror and then execute the command to be restored
docker load -i mynginx.tar
-I input file
After performing to view mirror again, you can see the image has been restored