Refactor CoreDNS setup: add custom configuration and LoadBalancer service. This prevents k3s overwriting our config with a CoreDNS restart.

infrastructure_setup/coredns/coredns-lb-service.yaml

@@ -0,0 +1,25 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: coredns-lb
+  namespace: kube-system
+  annotations:
+    metallb.universe.tf/loadBalancerIPs: "192.168.8.241"
+spec:
+  type: LoadBalancer
+  ports:
+  - name: dns
+    port: 53
+    protocol: UDP
+    targetPort: 53
+  - name: dns-tcp
+    port: 53
+    protocol: TCP
+    targetPort: 53
+  - name: metrics
+    port: 9153
+    protocol: TCP
+    targetPort: 9153
+  selector:
+    k8s-app: kube-dns