The Caddy Bug That Blamed Let's Encrypt for DigitalOcean's Mistake
A wildcard cert that issued perfectly — and a retry loop that wouldn't quit. The journal said `strconv.Atoi: parsing "": invalid syntax`, wrapped in certificate-issuance vocabulary. The real bug was two layers down, and the fix was one line.
russalo@blog ~ % ls -t posts/ | grep "#digitalocean"
#digitalocean
1 published post
russalo@blog ~ % cd ..