I run fulcrum on a micro PC Linux box -- was super easy to set up. I imagine you want something that doesn't take much resources on a rpi, like fulcrum
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Thanks, that's what I needed to know, I read an article by J Lopp, where he listed the performance of Electrs v Fulcrum and that made me aware of fulcrum. Cheers, that's what I needed!
Fulcrum installed - thanks for advising.