Add dedicated Cloudflare Tunnel for portfolio

apps/portfolio-edge-namespace.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: portfolio-edge
+  annotations:
+    argocd.argoproj.io/sync-wave: "-2"
+  labels:
+    app.kubernetes.io/name: portfolio-edge
+    app.kubernetes.io/part-of: portfolio-platform
+    pod-security.kubernetes.io/enforce: restricted
+    pod-security.kubernetes.io/enforce-version: v1.36
+    pod-security.kubernetes.io/audit: restricted
+    pod-security.kubernetes.io/audit-version: v1.36
+    pod-security.kubernetes.io/warn: restricted
+    pod-security.kubernetes.io/warn-version: v1.36

apps/portfolio-edge-project.yaml

@@ -0,0 +1,39 @@
+apiVersion: argoproj.io/v1alpha1
+kind: AppProject
+metadata:
+  name: portfolio-edge
+  namespace: argocd
+  annotations:
+    argocd.argoproj.io/sync-wave: "-1"
+spec:
+  description: Restricted GitOps project for the public portfolio Cloudflare Tunnel
+
+  sourceRepos:
+    - http://git.home.lan/jay/k8s-gitops.git
+
+  destinations:
+    - namespace: portfolio-edge
+      server: https://kubernetes.default.svc
+
+  namespaceResourceWhitelist:
+    - group: ""
+      kind: LimitRange
+    - group: ""
+      kind: ResourceQuota
+    - group: ""
+      kind: ServiceAccount
+    - group: apps
+      kind: Deployment
+    - group: bitnami.com
+      kind: SealedSecret
+    - group: networking.k8s.io
+      kind: NetworkPolicy
+    - group: policy
+      kind: PodDisruptionBudget
+
+  orphanedResources:
+    warn: true
+    ignore:
+      - group: ""
+        kind: Secret
+        name: portfolio-edge-tunnel-token

apps/portfolio-edge.yaml

@@ -0,0 +1,34 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: portfolio-edge
+  namespace: argocd
+  annotations:
+    argocd.argoproj.io/sync-wave: "0"
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
+spec:
+  project: portfolio-edge
+
+  source:
+    repoURL: http://git.home.lan/jay/k8s-gitops.git
+    targetRevision: main
+    path: apps/portfolio-edge
+
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: portfolio-edge
+
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - ApplyOutOfSyncOnly=true
+      - PruneLast=true
+    retry:
+      limit: 5
+      backoff:
+        duration: 5s
+        factor: 2
+        maxDuration: 1m

apps/portfolio-edge/deployment.yaml

@@ -0,0 +1,125 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: portfolio-edge
+  namespace: portfolio-edge
+  labels:
+    app.kubernetes.io/name: cloudflared
+    app.kubernetes.io/instance: portfolio-edge
+    app.kubernetes.io/component: edge
+    app.kubernetes.io/part-of: portfolio-platform
+spec:
+  replicas: 2
+  revisionHistoryLimit: 3
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 0
+      maxSurge: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: cloudflared
+      app.kubernetes.io/instance: portfolio-edge
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: cloudflared
+        app.kubernetes.io/instance: portfolio-edge
+        app.kubernetes.io/component: edge
+        app.kubernetes.io/part-of: portfolio-platform
+    spec:
+      serviceAccountName: portfolio-edge
+      automountServiceAccountToken: false
+      terminationGracePeriodSeconds: 30
+      securityContext:
+        runAsNonRoot: true
+        runAsUser: 65532
+        runAsGroup: 65532
+        seccompProfile:
+          type: RuntimeDefault
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+            - weight: 100
+              podAffinityTerm:
+                topologyKey: kubernetes.io/hostname
+                labelSelector:
+                  matchLabels:
+                    app.kubernetes.io/name: cloudflared
+                    app.kubernetes.io/instance: portfolio-edge
+      topologySpreadConstraints:
+        - maxSkew: 1
+          topologyKey: kubernetes.io/hostname
+          whenUnsatisfiable: ScheduleAnyway
+          labelSelector:
+            matchLabels:
+              app.kubernetes.io/name: cloudflared
+              app.kubernetes.io/instance: portfolio-edge
+      containers:
+        - name: cloudflared
+          image: cloudflare/cloudflared:2026.7.2
+          imagePullPolicy: IfNotPresent
+          command:
+            - cloudflared
+            - tunnel
+            - --no-autoupdate
+            - --loglevel
+            - info
+            - --metrics
+            - 0.0.0.0:2000
+            - run
+          env:
+            - name: TUNNEL_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: portfolio-edge-tunnel-token
+                  key: token
+          ports:
+            - name: metrics
+              containerPort: 2000
+              protocol: TCP
+          securityContext:
+            allowPrivilegeEscalation: false
+            readOnlyRootFilesystem: true
+            capabilities:
+              drop:
+                - ALL
+          volumeMounts:
+            - name: tmp
+              mountPath: /tmp
+          resources:
+            requests:
+              cpu: 25m
+              memory: 64Mi
+              ephemeral-storage: 16Mi
+            limits:
+              cpu: 250m
+              memory: 256Mi
+              ephemeral-storage: 128Mi
+          startupProbe:
+            httpGet:
+              path: /ready
+              port: metrics
+            periodSeconds: 3
+            timeoutSeconds: 2
+            failureThreshold: 40
+          readinessProbe:
+            httpGet:
+              path: /ready
+              port: metrics
+            periodSeconds: 10
+            timeoutSeconds: 3
+            failureThreshold: 3
+          livenessProbe:
+            httpGet:
+              path: /ready
+              port: metrics
+            initialDelaySeconds: 20
+            periodSeconds: 10
+            timeoutSeconds: 3
+            failureThreshold: 3
+      volumes:
+        - name: tmp
+          emptyDir:
+            medium: Memory
+            sizeLimit: 16Mi

apps/portfolio-edge/kustomization.yaml

@@ -0,0 +1,13 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: portfolio-edge
+
+resources:
+  - serviceaccount.yaml
+  - sealedsecret.yaml
+  - resourcequota.yaml
+  - limitrange.yaml
+  - deployment.yaml
+  - networkpolicy.yaml
+  - poddisruptionbudget.yaml

apps/portfolio-edge/limitrange.yaml

@@ -0,0 +1,24 @@
+apiVersion: v1
+kind: LimitRange
+metadata:
+  name: portfolio-edge-limits
+  namespace: portfolio-edge
+  labels:
+    app.kubernetes.io/name: cloudflared
+    app.kubernetes.io/instance: portfolio-edge
+    app.kubernetes.io/part-of: portfolio-platform
+spec:
+  limits:
+    - type: Container
+      defaultRequest:
+        cpu: 25m
+        memory: 64Mi
+        ephemeral-storage: 16Mi
+      default:
+        cpu: 250m
+        memory: 256Mi
+        ephemeral-storage: 128Mi
+      max:
+        cpu: 500m
+        memory: 512Mi
+        ephemeral-storage: 256Mi

apps/portfolio-edge/networkpolicy.yaml

@@ -0,0 +1,108 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: default-deny-all
+  namespace: portfolio-edge
+  labels:
+    app.kubernetes.io/name: cloudflared
+    app.kubernetes.io/instance: portfolio-edge
+    app.kubernetes.io/part-of: portfolio-platform
+spec:
+  podSelector: {}
+  policyTypes:
+    - Ingress
+    - Egress
+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-dns-egress
+  namespace: portfolio-edge
+  labels:
+    app.kubernetes.io/name: cloudflared
+    app.kubernetes.io/instance: portfolio-edge
+    app.kubernetes.io/part-of: portfolio-platform
+spec:
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: cloudflared
+      app.kubernetes.io/instance: portfolio-edge
+  policyTypes:
+    - Egress
+  egress:
+    - to:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: kube-system
+          podSelector:
+            matchLabels:
+              k8s-app: kube-dns
+      ports:
+        - protocol: UDP
+          port: 53
+        - protocol: TCP
+          port: 53
+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-cloudflare-tunnel-egress
+  namespace: portfolio-edge
+  labels:
+    app.kubernetes.io/name: cloudflared
+    app.kubernetes.io/instance: portfolio-edge
+    app.kubernetes.io/part-of: portfolio-platform
+spec:
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: cloudflared
+      app.kubernetes.io/instance: portfolio-edge
+  policyTypes:
+    - Egress
+  egress:
+    - to:
+        - ipBlock:
+            cidr: 0.0.0.0/0
+            except:
+              - 10.0.0.0/8
+              - 100.64.0.0/10
+              - 127.0.0.0/8
+              - 169.254.0.0/16
+              - 172.16.0.0/12
+              - 192.168.0.0/16
+      ports:
+        - protocol: UDP
+          port: 7844
+        - protocol: TCP
+          port: 7844
+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-portfolio-origin-egress
+  namespace: portfolio-edge
+  labels:
+    app.kubernetes.io/name: cloudflared
+    app.kubernetes.io/instance: portfolio-edge
+    app.kubernetes.io/part-of: portfolio-platform
+spec:
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: cloudflared
+      app.kubernetes.io/instance: portfolio-edge
+  policyTypes:
+    - Egress
+  egress:
+    - to:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: portfolio
+          podSelector:
+            matchLabels:
+              app.kubernetes.io/name: portfolio
+              app.kubernetes.io/instance: portfolio
+      ports:
+        - protocol: TCP
+          port: 80
+        - protocol: TCP
+          port: 8080

apps/portfolio-edge/poddisruptionbudget.yaml

@@ -0,0 +1,15 @@
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: portfolio-edge
+  namespace: portfolio-edge
+  labels:
+    app.kubernetes.io/name: cloudflared
+    app.kubernetes.io/instance: portfolio-edge
+    app.kubernetes.io/part-of: portfolio-platform
+spec:
+  minAvailable: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: cloudflared
+      app.kubernetes.io/instance: portfolio-edge

apps/portfolio-edge/resourcequota.yaml

@@ -0,0 +1,22 @@
+apiVersion: v1
+kind: ResourceQuota
+metadata:
+  name: portfolio-edge-quota
+  namespace: portfolio-edge
+  labels:
+    app.kubernetes.io/name: cloudflared
+    app.kubernetes.io/instance: portfolio-edge
+    app.kubernetes.io/part-of: portfolio-platform
+spec:
+  hard:
+    requests.cpu: "250m"
+    requests.memory: 512Mi
+    limits.cpu: "1"
+    limits.memory: 1Gi
+    requests.ephemeral-storage: 256Mi
+    limits.ephemeral-storage: 1Gi
+    pods: "4"
+    secrets: "5"
+    count/deployments.apps: "2"
+    count/networkpolicies.networking.k8s.io: "10"
+    count/poddisruptionbudgets.policy: "2"

apps/portfolio-edge/sealedsecret.yaml

@@ -0,0 +1,13 @@
+---
+apiVersion: bitnami.com/v1alpha1
+kind: SealedSecret
+metadata:
+  name: portfolio-edge-tunnel-token
+  namespace: portfolio-edge
+spec:
+  encryptedData:
+    token: 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
+  template:
+    metadata:
+      name: portfolio-edge-tunnel-token
+      namespace: portfolio-edge

apps/portfolio-edge/serviceaccount.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: portfolio-edge
+  namespace: portfolio-edge
+  labels:
+    app.kubernetes.io/name: cloudflared
+    app.kubernetes.io/instance: portfolio-edge
+    app.kubernetes.io/component: edge
+    app.kubernetes.io/part-of: portfolio-platform
+automountServiceAccountToken: false

apps/portfolio/networkpolicy.yaml

@@ -39,3 +39,31 @@ spec:
       ports:
         - protocol: TCP
           port: 8080
+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-portfolio-edge
+  namespace: portfolio
+  labels:
+    app.kubernetes.io/name: portfolio
+    app.kubernetes.io/part-of: portfolio-platform
+spec:
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: portfolio
+      app.kubernetes.io/instance: portfolio
+  policyTypes:
+    - Ingress
+  ingress:
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: portfolio-edge
+          podSelector:
+            matchLabels:
+              app.kubernetes.io/name: cloudflared
+              app.kubernetes.io/instance: portfolio-edge
+      ports:
+        - protocol: TCP
+          port: 8080