I've seen someone who mistakenly had updated their config secret key,
not sure if it was done by a weird password manager or a manual action
but that did corrupt their entire setup.
We now make sure value like secret key get validated before saving.
Didn't realise this would be necessary to start with as the appraoch has
always been "with great power come great responsability" but if it can
prevent catastrophic failure mode hapening by mistake, then we will be
making an exception to the moto
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