apiVersion: apps/v1
kind: Deployment
metadata:
  name: custom-404-server
  namespace: streaming
spec:
  replicas: 1
  selector:
    matchLabels:
      app: custom-404-server
  template:
    metadata:
      labels:
        app: custom-404-server
    spec:
      containers:
        - name: nginx
          image: nginx:alpine
          ports:
            - containerPort: 80
          volumeMounts:
            - name: custom-404-volume
              mountPath: /usr/share/nginx/html/index.html
              subPath: index.html
      volumes:
        - name: custom-404-volume
          configMap:
            name: custom-404-page
---
apiVersion: v1
kind: Service
metadata:
  name: custom-404-service
  namespace: streaming
spec:
  type: ClusterIP
  selector:
    app: custom-404-server
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80