docker:tldr:e22a9
docker: Save an image to a tar archive.
$ docker save --output ${filename-tar} ${image}:${tag}
try on your machine
This command is used to save a Docker image as a tar file.
Here is an explanation of each component of the command:
docker save: This is the Docker command used to save an image.--output ${filename-tar}: This flag specifies the output file name for the tar archive that will contain the saved Docker image.${filename-tar}is a variable that needs to be replaced with the desired name for the tar file (e.g.,myimage.tar).${image}:${tag}: This part of the command represents the Docker image you want to save.${image}refers to the name of the Docker image (e.g.,myimage).${tag}refers to the specific version or tag of the image (e.g.,latestorv1.0).
So, in summary, this command saves a Docker image and exports it as a tar archive with the specified file name.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.