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wild-cloud/setup/cluster/externaldns/README.md

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# External DNS
See: https://github.com/kubernetes-sigs/external-dns
ExternalDNS allows you to keep selected zones (via --domain-filter) synchronized with Ingresses and Services of type=LoadBalancer and nodes in various DNS providers.
Currently, we are only configured to use CloudFlare.
Docs: https://github.com/kubernetes-sigs/external-dns/blob/master/docs/tutorials/cloudflare.md
Any Ingress that has metatdata.annotions with
external-dns.alpha.kubernetes.io/hostname: `<something>.${DOMAIN}`
will have Cloudflare records created by External DNS.