Configuration file cannot be read from stdin

[prometherion]

I was expecting to get this working easily as stdin, similar to what you can do with kubectl, but file is needed.

cat <<EOF | kubectl apply -f
apiVersion: v1                                             
kind: PersistentVolumeClaim                                
metadata:                                                  
  name: task-pv-claim                                      
spec:                                                      
  accessModes:                                             
    - ReadWriteOnce                                        
  resources:
    requests:
      storage: 3Gi
EOF

Would be great to have this feature implemented!