go run dns_reverse_proxy.go -debug=true -address=127.0.0.1:8500 -log.level=debug
GetFileAttributesEx dns_reverse_proxy.go: The system cannot find the file specified.
should be
go run dns-over-https-proxy.go -debug=true -address=127.0.0.1:8500 -log.level=debug
https://github.com/wrouesnel/dns-over-https-proxy/blob/master/dns-over-https-proxy.go#L6
should be