以前に ACMEv1 問題のことで Alpine Linux のアップグレードをしました。これで安心と思っていたら、なんとこんなメールが……
Hello, Your certificate (or certificates) for the names listed below will expire in 19 days (on 28 May 20 17:00 +0000). Please make sure to renew your certificate before then, or visitors to your website will encounter errors. We recommend renewing certificates automatically when they have a third of their total lifetime left. For Let’s Encrypt’s current 90-day certificates, that means renewing 30 days before expiration. See https://letsencrypt.org/docs/integration-guide/ for details.
An unexpected error occurred:
MemoryError: Cannot allocate write+execute memory for ffi.callback(). You might be running on a system that prevents this. For more information, see https://cffi.readthedocs.io/en/latest/using.html#callbacks
Please see the logfiles in /var/log/letsencrypt for more details.