domain.yaml

apiVersion: kubevirt.io/v1
kind: VirtualMachine
metadata:
  name: fedora
spec:
  template:
    spec:
      domain:
        cpu:
          cores: 2
        devices:
          disks:
          - disk:
              bus: virtio
            name: containerdisk
          interfaces:
          - masquerade: {}
            model: virtio
            name: default
          networkInterfaceMultiqueue: true
          rng: {}
        resources:
          requests:
            memory: 2GiB
      networks:
      - name: default
        pod: {}
      terminationGracePeriodSeconds: 0
      volumes:
      - containerDisk:
          image: registry:5000/kubevirt/fedora-with-test-tooling-container-disk:devel
        name: containerdisk

instancetype.yaml

apiVersion: kubevirt.io/v1
kind: VirtualMachine
metadata:
  name: fedora
spec:
  instancetype:
    name: c.medium
  preference:
    name: fedora
  runStrategy: Always
  template:
    spec:
      volumes:
      - containerDisk:
          image: quay.io/containerdisks/fedora:latest
        name: containerdisk