Sorry, Teensy was originally a bit of joke. I was trying to highlight that for most use cases, you really do not need anything crazy complicated (like AWS Lambda).
Having said that, I do think there is something to having a very easy to roll something like this out. I have been experimenting with Roda and built a couple of quick services:
Is serveless Ruby something you are actively considering? I would love to hear what you are looking for in a platform/service/etc?
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