postgresql-deployment.yaml

# postgresql-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgresql
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgresql
  template:
    metadata:
      labels:
        app: postgresql
    spec:
      containers:
      - name: postgresql
        image: postgres:latest
        ports:
        - containerPort: 5432
        env:
        - name: POSTGRES_DB
          value: your_database_name
        - name: POSTGRES_USER
          value: your_username
        - name: POSTGRES_PASSWORD
          valueFrom:
            secretKeyRef:
              name: postgresql-secret
              key: postgres-password
        volumeMounts:
        - name: postgresql-storage
          mountPath: /var/lib/postgresql/data
  volumes:
  - name: postgresql-storage
    persistentVolumeClaim:
      claimName: postgresql-pvc
---
apiVersion: v1
kind: Service
metadata:
  name: postgresql-service
spec:
  selector:
    app: postgresql
  ports:
    - protocol: TCP
      port: 5432
      targetPort: 5432
  type: ClusterIP