There's should be no need for panicking. Your scripts should be renewing well in advance, and it's unlikely that let's. encrypt will be down for days or weeks
Self signed is better and more trustworthy. LE’s short cert expiration makes it an enormous pain in the ass. Just put your cert on your site and sign it.
[+] [-] ehutch79|4 years ago|reply
[+] [-] LoveLeadAcid|4 years ago|reply
[+] [-] efficax|4 years ago|reply
[+] [-] max1cc|4 years ago|reply