chore(k8s): add production kubernetes manifests for pengzhan-dev namespace

k8s/00-namespace.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: pengzhan-dev
+  labels:
+    app.kubernetes.io/name: pengzhan-dev

k8s/01-secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: pengzhan-secrets
+  namespace: pengzhan-dev
+type: Opaque
+stringData:
+  ADMIN_SECRET: "admin"

k8s/02-pvc.yaml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: pengzhan-content-pvc
+  namespace: pengzhan-dev
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: local-path
+  resources:
+    requests:
+      storage: 5Gi

k8s/03-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: pengzhan-web
+  namespace: pengzhan-dev
+  labels:
+    app: pengzhan-web
+spec:
+  replicas: 1
+  revisionHistoryLimit: 5
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxSurge: 1
+      maxUnavailable: 0
+  selector:
+    matchLabels:
+      app: pengzhan-web
+  template:
+    metadata:
+      labels:
+        app: pengzhan-web
+    spec:
+      securityContext:
+        fsGroup: 1000
+        fsGroupChangePolicy: "OnRootMismatch"
+      initContainers:
+        - name: init-content-perms
+          image: busybox:1.36
+          imagePullPolicy: IfNotPresent
+          command: ["sh", "-c"]
+          args:
+            - |
+              mkdir -p /app/content/data
+              chown -R 1000:1000 /app/content || true
+          volumeMounts:
+            - name: content-data
+              mountPath: /app/content
+      containers:
+        - name: pengzhan-web
+          image: git.pengzhan.dev/haopengzhan/pengzhan.dev:latest
+          imagePullPolicy: Always
+          ports:
+            - containerPort: 3000
+              name: http
+          env:
+            - name: NODE_ENV
+              value: "production"
+            - name: PORT
+              value: "3000"
+            - name: CONTENT_DIR
+              value: "/app/content"
+            - name: ADMIN_SECRET
+              valueFrom:
+                secretKeyRef:
+                  name: pengzhan-secrets
+                  key: ADMIN_SECRET
+          volumeMounts:
+            - name: content-data
+              mountPath: /app/content
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 3000
+            initialDelaySeconds: 15
+            periodSeconds: 30
+            timeoutSeconds: 5
+            failureThreshold: 3
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 3000
+            initialDelaySeconds: 10
+            periodSeconds: 10
+            timeoutSeconds: 5
+            failureThreshold: 2
+          resources:
+            requests:
+              cpu: 50m
+              memory: 128Mi
+            limits:
+              cpu: 500m
+              memory: 512Mi
+      volumes:
+        - name: content-data
+          persistentVolumeClaim:
+            claimName: pengzhan-content-pvc

k8s/04-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: pengzhan-web
+  namespace: pengzhan-dev
+  labels:
+    app: pengzhan-web
+spec:
+  type: ClusterIP
+  selector:
+    app: pengzhan-web
+  ports:
+    - name: http
+      port: 80
+      targetPort: 3000

k8s/05-ingress.yaml

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+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: pengzhan-ingress
+  namespace: pengzhan-dev
+  annotations:
+    cert-manager.io/cluster-issuer: letsencrypt-prod
+spec:
+  ingressClassName: traefik
+  rules:
+    - host: pengzhan.dev
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: pengzhan-web
+                port:
+                  number: 80
+  tls:
+    - hosts:
+        - pengzhan.dev
+      secretName: pengzhan-dev-tls