apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres
  namespace: hell-world
  labels:
    app: postgres
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - name: postgres
          image: postgres:16-alpine
          ports:
            - containerPort: 5432
              name: postgres
          envFrom:
            - secretRef:
                name: postgres-secret
          resources:
            requests:
              memory: "128Mi"
              cpu: "100m"
            limits:
              memory: "256Mi"
              cpu: "200m"
          volumeMounts:
            - name: postgres-data
              mountPath: /var/lib/postgresql/data
          livenessProbe:
            exec:
              command:
                - pg_isready
                - -U
                - postgres
            initialDelaySeconds: 30
            periodSeconds: 10
          readinessProbe:
            exec:
              command:
                - pg_isready
                - -U
                - postgres
            initialDelaySeconds: 5
            periodSeconds: 5
      volumes:
        - name: postgres-data
          persistentVolumeClaim:
            claimName: postgres-pvc