--- features: - | New labels to support containerd as a runtime. container_runtime The container runtime to use. Empty value means, use docker from the host. Since ussuri, apart from empty (host-docker), containerd is also an option. containerd_version The containerd version to use as released in https://github.com/containerd/containerd/releases and https://storage.googleapis.com/cri-containerd-release/ containerd_tarball_url Url with the tarball of containerd's binaries. containerd_tarball_sha256 sha256 of the tarball fetched with containerd_tarball_url or from https://storage.googleapis.com/cri-containerd-release/.