apiVersion: apps/v1
kind: Deployment
metadata: 
  name: nginx
spec: 
  selector: 
    matchLabels: 
      app: nginx
  template: 
    metadata: 
      labels: 
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16-alpine
        ports: 
        - containerPort: 80

        volumeMounts: 
        - mountPath: /etc/nginx/conf.d
          name: nginx-conf
          readOnly: true

      volumes: 
      - name: nginx-conf
        configMap:
          name: nginx-conf
          items: 
            - key: nginx.conf
              path: nginx.conf