> To someone like me with hobby-level serving needs, the 90 day certificate life is pretty inconvenient, despite having automation set up.
I've been running an LE client (official one, dehydrated, others) on various system for ~8 years, and the one time I had an issue with renewing was when (AIUI) the LE folks changed CDNs and so their responses were (slightly) different and dehydrated needed to be tweaked: