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Perhaps you could skip writing it to file, and use a transformation on the kustomize Directory instead?

<https://www.pulumi.com/docs/reference/pkg/kubernetes/kustomize/directory/#kustomize-directory-with-transformations>

unfortunately that won't work either

from the `yaml.Transformation` docs:

&gt; Important: any values set on the state must be prompt (not Output values).
which clashes with my password outputs

i *think* i found a workaround, which is to take `fileOutput`, do an `ApplyString` on it returning the directory name, and then using that directory name as an input into the `kustomize.Directory`

it's roundabout but should work, trying it...