apiVersion: v1
kind: Namespace
metadata:
  name: ns

---
apiVersion: v1
kind: Service
metadata:
  name: nginx-service
  namespace: ns
  labels:
    app: nginx
spec:
  type: ClusterIP
  selector:
    app: nginx
  ports:
    - name: http
      port: 80
      targetPort: 8080

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
  namespace: ns
  labels:
    app: nginx
spec:
  replicas: 2
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
        - name: nginx
          image: nginx:latest
          ports:
            - containerPort: 8080
          resources:
            requests:
              cpu: "100m"
              memory: "128Mi"
            limits:
              cpu: "250m"
              memory: "256Mi"