update deployment doc

[darshansreenivas]

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[xing-yang]

Can you change this "/var/folders/42/l7fg3dk55xn7jm24ld4bpkyw0000gn/T/tmp.ZKWrXmZPJ9/rbac.yaml" to a more general path?
Same comments to other places.

[darshansreenivas]

Would this work? TEMP_DIR="$(mktemp -d "${BASE_TMPDIR}/myapp")"

[carlory]

Why we need to change it? kubelet support apply a file from url.

[xing-yang]

@darshansreenivas Do you have any problem running the following?

kubectl apply -f https://raw.githubusercontent.com/kubernetes-csi/external-provisioner/v5.2.0/deploy/kubernetes/rbac.yaml