nginx-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
  namespace: default
  labels:
    app: nginx-deployment
spec:
  revisionHistoryLimit: 2
  strategy:
    type: RollingUpdate
  replicas: 3
  selector:
    matchLabels:
      app: nginx-dp
  template:
    metadata:
      labels:
        app: nginx-dp
    spec:
      containers:
        - image: nginx:1.18
          name: nginx
          ports:
            - name: http
              containerPort: 80