moby/daemon/containerd/image_squash.go

package containerd

import (
	"errors"

	"github.com/docker/docker/errdefs"
)

// SquashImage creates a new image with the diff of the specified image and
// the specified parent. This new image contains only the layers from its
// parent + 1 extra layer which contains the diff of all the layers in between.
// The existing image(s) is not destroyed. If no parent is specified, a new
// image with the diff of all the specified image's layers merged into a new
// layer that has no parents.
func (i *ImageService) SquashImage(id, parent string) (string, error) {
	return "", errdefs.NotImplemented(errors.New("not implemented"))
}