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external-dns — Automatic DNS Records

14. 10. 2022 1 min read intermediate

Cloud Intermediate

external-dns — Automatic DNS Records

external-dnsDNSKubernetes 3 min read

Automatická synchronizace DNS záznamů z Kubernetes Services a Ingress.

Principle

external-dns sleduje Kubernetes Ingress/Service resources a automaticky vytváří DNS záznamy v CloudFlare, Route53, Azure DNS…

Deployment

apiVersion: apps/v1
kind: Deployment
metadata:
  name: external-dns
spec:
  template:
    spec:
      containers:
        - name: external-dns
          image: registry.k8s.io/external-dns/external-dns:v0.14
          args:
            - --source=ingress
            - --domain-filter=example.com
            - --provider=cloudflare

Usage

Stačí vytvořit Ingress s hostname — external-dns automaticky vytvoří A/CNAME záznam.

Summary

external-dns eliminuje ruční správu DNS. Vytvořte Ingress, DNS se postará samo.

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CORE SYSTEMS team

We build core systems and AI agents that keep operations running. 15 years of experience with enterprise IT.