apiVersion: apps/v1
kind: Deployment
metadata:
  name: klg-asutk-app
  labels:
    app: klg-asutk-app
spec:
  replicas: 3
  selector:
    matchLabels:
      app: klg-asutk-app
  template:
    metadata:
      labels:
        app: klg-asutk-app
    spec:
      containers:
      - name: klg-asutk-app
        image: klg-asutk-app:latest
        ports:
        - containerPort: 3000
          name: http
        env:
        - name: NODE_ENV
          value: "production"
        - name: DB_HOST
          valueFrom:
            secretKeyRef:
              name: klg-secrets
              key: db-host
        - name: DB_NAME
          valueFrom:
            secretKeyRef:
              name: klg-secrets
              key: db-name
        - name: DB_USER
          valueFrom:
            secretKeyRef:
              name: klg-secrets
              key: db-user
        - name: DB_PASSWORD
          valueFrom:
            secretKeyRef:
              name: klg-secrets
              key: db-password
        - name: REDIS_HOST
          valueFrom:
            configMapKeyRef:
              name: klg-config
              key: redis-host
        - name: ANTHROPIC_API_KEY
          valueFrom:
            secretKeyRef:
              name: klg-secrets
              key: anthropic-api-key
        resources:
          requests:
            memory: "512Mi"
            cpu: "250m"
          limits:
            memory: "2Gi"
            cpu: "1000m"
        # Liveness Probe - проверяет, что контейнер работает
        livenessProbe:
          httpGet:
            path: /api/health
            port: 3000
          initialDelaySeconds: 30
          periodSeconds: 10
          timeoutSeconds: 5
          successThreshold: 1
          failureThreshold: 3
        # Readiness Probe - проверяет, что контейнер готов принимать трафик
        readinessProbe:
          httpGet:
            path: /api/health?readiness=true
            port: 3000
          initialDelaySeconds: 5
          periodSeconds: 5
          timeoutSeconds: 3
          successThreshold: 1
          failureThreshold: 3
        # Startup Probe - для медленно стартующих контейнеров
        startupProbe:
          httpGet:
            path: /api/health
            port: 3000
          initialDelaySeconds: 0
          periodSeconds: 10
          timeoutSeconds: 3
          successThreshold: 1
          failureThreshold: 30 # 5 минут на старт
      # Graceful shutdown
      terminationGracePeriodSeconds: 30

---
apiVersion: v1
kind: Service
metadata:
  name: klg-asutk-app-service
spec:
  selector:
    app: klg-asutk-app
  ports:
  - protocol: TCP
    port: 80
    targetPort: 3000
  type: LoadBalancer

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: klg-config
data:
  redis-host: "redis-service"
  redis-port: "6379"

---
apiVersion: v1
kind: Secret
metadata:
  name: klg-secrets
type: Opaque
stringData:
  db-host: "postgres-service"
  db-name: "klg_db"
  db-user: "postgres"
  db-password: ""  # SET VIA CI/CD PIPELINE
  anthropic-api-key: ""  # SET VIA CI/CD PIPELINE (Anthropic Claude)