Beware “RunOnStartup” in Azure Functions – a serverless horror story

Everyone loves a good technology horror story, right? The gorier the better in my experience. Well, over the last weekend we had an, um, “incident“. To my mind, it’s got all the ingredients of an excellent example of the genre: a small mistake, complicated conditions, and a big financial hit (mercifully averted). Sound like your kind of thing? Read on. I hope I do it justice…

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