在Kubernetes中部署PhpMyAdmin出现404错误求助

我在本地Minikube Kubernetes集群部署官方phpmyadmin镜像时出现404错误，替换为phpmyadmin/phpmyadmin镜像后问题依然存在；对比他人配置未发现明显差异。作为K8s新手，可能存在认知盲区，恳请帮忙排查问题。

相关YAML配置文件 #

ingress-service.yaml #

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-service
  annotations:
    kubernetes.io/ingress.class: "nginx"
    nginx.ingress.kubernetes.io/use-regex: "true"
spec:
  rules:
    - http:
        paths:
          - path: /phpmyadmin/?(.*)
            pathType: Prefix
            backend:
              service:
                name: phpmyadmin-cluster-ip-service
                port:
                  number: 80

phpmyadmin-cluster-ip-service.yaml #

apiVersion: v1
kind: Service
metadata:
  name: phpmyadmin-cluster-ip-service
spec:
  type: ClusterIP
  selector:
    app: phpmyadmin
  ports:
    - port: 80
      targetPort: 80
      protocol: TCP

phpmyadmin-deployment.yaml（192.168.64.7为Minikube分配的IP） #

apiVersion: apps/v1
kind: Deployment
metadata:
  name: phpmyadmin-deployment
  labels:
    tier: backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: phpmyadmin
      tier: backend
  template:
    metadata:
      labels:
        app: phpmyadmin
        tier: backend
    spec:
      restartPolicy: Always
      containers:
        - name: phpmyadmin
          image: phpmyadmin:latest
          ports:
            - name: phpmyadmin
              containerPort: 80
              protocol: TCP
          imagePullPolicy: Always
          env:
            - name: PMA_ABSOLUTE_URI
              value: "http://192.168.64.7/phpmyadmin/"
            - name: PMA_VERBOSE
              value: "PhpMyAdmin"
            - name: PMA_HOST
              value: mysql-service
            - name: PMA_PORT
              value: "3306"
            - name: UPLOAD_LIMIT
              value: "268435456"
            - name: PMA_ARBITRARY
              value: "0"
            - name: MYSQL_ROOT_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: mysql-secret
                  key: MYSQL_ROOT_PASSWORD

暂未附上MySQL的YAML配置，若对排查有帮助可提供。

内容的提问来源于stack exchange，提问作者Sergey Filipovich