apiVersion: apps/v1
kind: Deployment
metadata:
  name: vwap-monitor
  namespace: customer1
  labels:
    app: vwap-monitor
    component: scanner
spec:
  replicas: 1
  strategy:
    type: Recreate  # only one instance should run
  selector:
    matchLabels:
      app: vwap-monitor
  template:
    metadata:
      labels:
        app: vwap-monitor
        component: scanner
      annotations:
        # Restart if config changes
        checksum/config: "vwap-monitor-config"
    spec:
      terminationGracePeriodSeconds: 30
      containers:
        - name: scanner
          image: us-central1-docker.pkg.dev/devops-lab-cluster/customer1/vwap-monitor:latest
          imagePullPolicy: Always
          resources:
            requests:
              cpu: 100m
              memory: 64Mi
            limits:
              cpu: 250m
              memory: 256Mi
          envFrom:
            - configMapRef:
                name: vwap-monitor-config
          env:
            - name: TELEGRAM_BOT_TOKEN
              valueFrom:
                secretKeyRef:
                  name: vwap-monitor-secrets
                  key: telegram-bot-token
            - name: TELEGRAM_CHAT_ID
              valueFrom:
                secretKeyRef:
                  name: vwap-monitor-secrets
                  key: telegram-chat-id
          startupProbe:
            exec:
              command: ["/bin/sh", "-c", "python3 -c 'import scanner'"]
            initialDelaySeconds: 10
            periodSeconds: 10
            failureThreshold: 3
          livenessProbe:
            exec:
              command: ["/bin/sh", "-c", "kill -0 1"]
            initialDelaySeconds: 30
            periodSeconds: 60
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: vwap-monitor-config
  namespace: customer1
data:
  SCAN_INTERVAL_SEC: "120"
  BREACH_THRESHOLD: "2.0"