Simon Gardling
ce1c335230
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Build Caddy with the caddy-dns/njalla plugin to enable DNS-01 ACME challenges. This issues a single wildcard certificate for *.sigkill.computer instead of per-subdomain certificates, reducing Let's Encrypt API calls and certificate management overhead. Add ddns-updater service (nixpkgs services.ddns-updater) configured with Njalla provider to automatically update DNS records when the server's public IP changes.