affinity:
  nodeAffinity:
    preferredDuringSchedulingIgnoredDuringExecution:
      - weight: 100
        preference:
          matchExpressions:
            - key: node-type
              operator: In
              values: [gpu]
      - weight: 50
        preference:
          matchExpressions:
            - key: disktype
              operator: In
              values: [ssd]

kubectl get pod web-x -o wide
kubectl describe pod web-x | grep -i -A2 affinity