kubernetes/manifests/nginx/base/deployment-nginx.yaml

---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app.kubernetes.io/component: webserver
  name: nginx
spec:
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/component: webserver
  template:
    metadata:
      labels:
        app.kubernetes.io/component: webserver
    spec:
      containers:
        - name: backend
          image: docker.io/nginx:alpine
          imagePullPolicy: Always
          ports:
            - containerPort: 80
              name: http
          resources:
            limits:
              cpu: 200m
              memory: 256Mi
            requests:
              cpu: 10m
              memory: 20Mi
          volumeMounts:
            - name: http-root
              mountPath: /usr/share/nginx/html
              mountPropagation: HostToContainer
            - name: nginx-config
              mountPath: /etc/nginx/conf.d
      tolerations: []
      volumes:
        - name: http-root
          hostPath:
            # Ensure the file directory is created.
            path: /opt/webserver
            type: DirectoryOrCreate
        - name: nginx-config
          configMap:
            name: nginx-config