is on a VM in Azure. There is an nginx reverse proxy on it, with a kestrel server behind it on the same vm running .NET. is on a different vm on Azure eg

To proxy requests through here is the relevant section of the nginx.conf file: docs

    # proxy anything from https://osr4rightstools/fire-map
    # to the vm
    # which will answer as if it comes in on the root
    # eg https://osr4rightstools/fire-map/public-page.pgp
    # is
    location /fire-map/ {
				# etc ...

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