# Production Frontend Configuration
# Optimized for high availability and performance
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: frontend-config
  namespace: vitrown-prod
data:
  NODE_ENV: "production"
  VITE_API_BASE_URL: "https://api.vitrown.com"
  VITE_API_SOCKET_BASE_URL: "wss://api.vitrown.com"
  VITE_API_URL: "https://api.vitrown.com"
  VITE_SITE_URL: "https://vitrown.com"
  VITE_DOMAIN_URL: "https://vitrown.com"
  VITE_APP_VERSION_TYPE: "production"
  VITE_SUPPORT_PHONE: "+989223740993"
  VITE_BUILD_TARGET: "production"
  # Internal API URL for server-side requests (SSR) to avoid hairpin NAT issues
  INTERNAL_API_URL: "http://django-backend:8000"
---
apiVersion: v1
kind: Secret
metadata:
  name: frontend-secret
  namespace: vitrown-prod
type: Opaque
stringData:
  # IMPORTANT: Replace with secure production secret
  REMIX_SECRET: "CHANGE_ME_TO_SECURE_PRODUCTION_SECRET"
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
  namespace: vitrown-prod
  labels:
    app: frontend
    environment: production
spec:
  replicas: 3
  selector:
    matchLabels:
      app: frontend
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
  template:
    metadata:
      labels:
        app: frontend
        environment: production
    spec:
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - weight: 100
            podAffinityTerm:
              labelSelector:
                matchExpressions:
                - key: app
                  operator: In
                  values:
                  - frontend
              topologyKey: kubernetes.io/hostname
      containers:
      - name: frontend
        image: harbor.abrino.cloud/sotoontech/vitron-frontend:latest
        ports:
        - containerPort: 3000
          name: http
          protocol: TCP
        envFrom:
        - configMapRef:
            name: frontend-config
        - secretRef:
            name: frontend-secret
        resources:
          requests:
            memory: "256Mi"
            cpu: "250m"
          limits:
            memory: "1Gi"
            cpu: "1000m"
        livenessProbe:
          httpGet:
            path: /
            port: 3000
          initialDelaySeconds: 30
          periodSeconds: 15
          timeoutSeconds: 5
          failureThreshold: 3
        readinessProbe:
          httpGet:
            path: /
            port: 3000
          initialDelaySeconds: 10
          periodSeconds: 5
          timeoutSeconds: 3
          failureThreshold: 3
      imagePullSecrets:
      - name: harbor-registry
      terminationGracePeriodSeconds: 30
---
apiVersion: v1
kind: Service
metadata:
  name: frontend
  namespace: vitrown-prod
spec:
  selector:
    app: frontend
  ports:
  - protocol: TCP
    port: 3000
    targetPort: 3000
  type: ClusterIP
---
# Horizontal Pod Autoscaler for Production
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: frontend-hpa
  namespace: vitrown-prod
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: frontend
  minReplicas: 3
  maxReplicas: 8
  metrics:
  - type: Resource
    resource:
      name: cpu
      target:
        type: Utilization
        averageUtilization: 70
  - type: Resource
    resource:
      name: memory
      target:
        type: Utilization
        averageUtilization: 80
  behavior:
    scaleDown:
      stabilizationWindowSeconds: 300
      policies:
      - type: Percent
        value: 25
        periodSeconds: 60
    scaleUp:
      stabilizationWindowSeconds: 0
      policies:
      - type: Percent
        value: 100
        periodSeconds: 15
      - type: Pods
        value: 2
        periodSeconds: 15
      selectPolicy: Max
---
# Pod Disruption Budget for high availability
apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
  name: frontend-pdb
  namespace: vitrown-prod
spec:
  minAvailable: 2
  selector:
    matchLabels:
      app: frontend
