apiVersion: v1
kind: PersistentVolume
metadata:
  name: mongodb-pv
  namespace: expense-tracker
  labels:
    type: local
spec:
  storageClassName: manual
  capacity:
    storage: 1Gi
  accessModes:
    - ReadWriteOnce
  hostPath:
    path: "/mnt/data/mongodb"
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mongodb-pvc
  namespace: expense-tracker
spec:
  storageClassName: manual
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: mongodb
  namespace: expense-tracker
spec:
  serviceName: "mongodb-service"
  replicas: 1
  selector:
    matchLabels:
      app: mongodb
  template:
    metadata:
      labels:
        app: mongodb
    spec:
      containers:
      - name: mongodb
        image: mongo:latest
        ports:
        - containerPort: 27017
        volumeMounts:
        - name: mongodb-data
          mountPath: /data/db
        resources:
          limits:
            cpu: "0.5"
            memory: "512Mi"
          requests:
            cpu: "0.2"
            memory: "256Mi"
      volumes:
      - name: mongodb-data
        persistentVolumeClaim:
          claimName: mongodb-pvc