Export Docker images to archive. More information: https://docs.docker.com/reference/cli/docker/image/save/.
stdout
to a tar archive:docker save image:tag > path/to/file.tar
docker save --output path/to/file.tar image:tag
docker save --output path/to/file.tar image_name
docker save --output path/to/file.tar image_name:tag1 image_name:tag2 ...