apiVersion: apps/v1
kind: Deployment
metadata:
  name: prod-pod
  labels:
    app: inventory-api
spec:
  replicas: 1  # Reduced replicas to 1 to ensure easier scheduling
  selector:
    matchLabels:
      app: inventory-api
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
  template:
    metadata:
      labels:
        app: inventory-api
    spec:
      containers:
      - name: app
        image: ${IMAGE_REPOSITORY}:${IMAGE_TAG}
        imagePullPolicy: IfNotPresent  # Changed from Always to IfNotPresent to reduce pull issues
        resources:
          requests:
            cpu: "50m"     # Reduced CPU request
            memory: "128Mi"  # Reduced memory request
          limits:
            cpu: "300m"      # Reduced CPU limit
            memory: "384Mi"  # Reduced memory limit
        ports:
        - containerPort: 8000
          name: http
        env:
        - name: SECRET_KEY
          valueFrom:
            secretKeyRef:
              name: inventory-api-secrets
              key: secret-key
        - name: SERVER_NAME
          value: "Inventory Management System"
        - name: SERVER_HOST
          value: "https://inventory.example.com"
        - name: FIRST_SUPERUSER
          value: "admin@example.com"
        - name: FIRST_SUPERUSER_PASSWORD
          valueFrom:
            secretKeyRef:
              name: inventory-api-secrets
              key: admin-password
        livenessProbe:
          httpGet:
            path: /health
            port: 8000
          initialDelaySeconds: 30
          periodSeconds: 10
          timeoutSeconds: 5
          failureThreshold: 3
        readinessProbe:
          httpGet:
            path: /health
            port: 8000
          initialDelaySeconds: 5
          periodSeconds: 10
          timeoutSeconds: 3
          failureThreshold: 3
        volumeMounts:
        - name: storage-volume
          mountPath: /app/storage
      volumes:
      - name: storage-volume
        persistentVolumeClaim:
          claimName: inventory-api-pvc
      # Enhanced tolerations to allow more flexible scheduling
      tolerations:
      - operator: "Exists"  # This will tolerate all taints
      # Affinity settings to help with scheduling
      affinity:
        nodeAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - weight: 1
            preference:
              matchExpressions:
              - key: "kubernetes.io/os"
                operator: In
                values:
                - linux
      # No nodeSelector to allow maximum scheduling flexibility