Merge pull request #358 from Random-Liu/unpack-when-creation

Also unpack image during creation.

pkg/server/sandbox_run.go

@@ -144,6 +144,7 @@ func (c *criContainerdService) RunPodSandbox(ctx context.Context, r *runtime.Run
 
 	opts := []containerd.NewContainerOpts{
 		containerd.WithSnapshotter(c.config.ContainerdConfig.Snapshotter),
+		customopts.WithImageUnpack(image.Image),
 		containerd.WithNewSnapshot(id, image.Image),
 		containerd.WithSpec(spec, specOpts...),
 		containerd.WithContainerLabels(map[string]string{containerKindLabel: containerKindSandbox}),