Functions Node Restart repro

host.json

{
  "version": "2.0",
  "extensionBundle": {
    "id": "Microsoft.Azure.Functions.ExtensionBundle",
    "version": "[1.*, 2.0.0)"
  }
}

proxies.json

{
    "$schema": "http://json.schemastore.org/proxies",
    "proxies": {
        "Storybook Index": {
            "debug": false,
            "matchCondition": {
                "route": "/",
                "methods": [ "GET", "HEAD" ]
            },
            "backendUri": "https://%STORAGE_ACCOUNT_NAME%.blob.core.windows.net/storybook/index.html?%SHARED_ACCESS_SIGNATURE%"
        },
        "Storybook Files": {
            "debug": false,
            "matchCondition": {
                "route": "/{filename}.{ext}",
                "methods": [ "GET", "HEAD" ]
            },
            "backendUri": "https://%STORAGE_ACCOUNT_NAME%.blob.core.windows.net/storybook/{filename}.{ext}?%SHARED_ACCESS_SIGNATURE%"
        }
    }
}