- Add DNS resolvers (1.1.1.1, 8.8.8.8) to traefik.yml for faster DNS challenge
- Create wildcard-cert.yml to request *.kelinreij.duckdns.org certificate
- Add comprehensive setup documentation for wildcard certificates
- Update to use production Let's Encrypt email
This configuration will automatically request a wildcard certificate
covering all subdomains once the Let's Encrypt rate limit resets
(Feb 13, 2026 at 21:33 UTC), eliminating the need for individual
per-service certificates.
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