FEAT(traefik): add Traefik UI

- Add Traefik dashboard configuration
- Enable web UI access

traefik/argocd.yaml

@@ -0,0 +1,31 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: traefik-config
+  namespace: argocd
+  finalizers:
+  - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+  source:
+    repoURL: https://github.com/Mayne0213/cluster-infrastructure.git
+    targetRevision: main
+    path: traefik
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: kube-system
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+      allowEmpty: false
+    syncOptions:
+    - PrunePropagationPolicy=foreground
+    - PruneLast=true
+    retry:
+      limit: 5
+      backoff:
+        duration: 5s
+        factor: 2
+        maxDuration: 3m
+  revisionHistoryLimit: 10

traefik/helm-values.yaml

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+apiVersion: helm.cattle.io/v1
+kind: HelmChartConfig
+metadata:
+  name: traefik
+  namespace: kube-system
+spec:
+  valuesContent: |-
+    # Traefik Dashboard 활성화
+    dashboard:
+      enabled: true
+
+    # API 활성화 (Dashboard에서 필요)
+    api:
+      dashboard: true
+      insecure: false
+
+    # ports 설정
+    ports:
+      traefik:
+        expose:
+          default: true

traefik/ingress.yaml

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+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: traefik-dashboard-ingress
+  namespace: kube-system
+  annotations:
+    cert-manager.io/cluster-issuer: "letsencrypt-prod"
+spec:
+  ingressClassName: traefik
+  tls:
+  - hosts:
+    - traefik0213.kro.kr
+    secretName: traefik-dashboard-tls
+  rules:
+  - host: traefik0213.kro.kr
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: traefik
+            port:
+              number: 9000

traefik/kustomization.yaml

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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - helm-values.yaml
+  - ingress.yaml