v1-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: document
spec:
  selector:
    matchLabels:
      app: document
  template:
    metadata:
      namespace: data
      labels:
        app: document
    spec:
      containers:
      - name: document
        image: postgres:alpine
        resources:
          limits:
            memory: "128Mi"
            cpu: "500m"
        env:
          - name: POSTGRES_DB
            value: TestDb
          - name: POSTGRES_PASSWORD
            value: ABC123!!
          - name: POSTGRES_USER
            value: application
        ports:
        - containerPort: 5432

---
apiVersion: v1
kind: Service
metadata:
  name: document
  namespace: data
spec:
  selector:
    app: document
  ports:
  - port: 5432