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The Dockerfile method of building docker storage is leaving tmp directories like `tmp3v36vta4` after registration with cloud. This is cluttering up our repository. Is there a setting to avoid this?

Or to get that folder name so that I can script a cleanup afterwards?

Weird, it’s in a context block like
```        with tempfile.TemporaryDirectory(
            dir="." if self.dockerfile else None
        ) as tempdir:```
so they should be auto-removed

The `if` statement there is just using the current directory as the base for the temporary directory if you’re using a custom dockerfile.

The `TemporaryDirectory` context should be quite robust ensuring deletion on failures

Does the directory remain every time you build storage?

Could be a relic of running `docker build()` outside of prefect. I'll report back if that is not the case