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我正在我的 kubernetes 集群中部署一个 mongo-express pod，以便快速查看我的数据库数据。

如果我不配置基本身份验证，我可以正常使用 mongo-express。

但是，当我将基本身份验证配置添加到我的部署 yaml 文件时。它有以下错误直接显示在网站上。

Error: Server Error
The server encountered a temporary error and could not complete your request.
Please try again in 30 seconds.

我正在使用 Kubernetes 集群，并使用Ingress公开 mongo-express。因此，我使用以下网址访问它：db.myapp.com

这是我的部署 yml：

apiVersion: apps/v1
kind: Deployment
metadata:
  name: mongo-express
  labels:
    app: mongo-express
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mongo-express
  template:
    metadata:
      labels:
        app: mongo-express
    spec:
      containers:
        - name: mongo-express
          image: mongo-express
          ports:
            - containerPort: 8081
          env:
            - name: ME_CONFIG_MONGODB_SERVER
              valueFrom:
                configMapKeyRef:
                  name: mongodb-configmap
                  key: database_url
            - name: ME_CONFIG_BASICAUTH_USERNAME
              value: admin
            - name: ME_CONFIG_BASICAUTH_PASSWORD
              value: mypassword

---
apiVersion: v1
kind: Service
metadata:
  name: mongo-express-service
  annotations:
    cloud.google.com/neg: '{"ingress": true}'
spec:
  ports:
    - port: 8081
      protocol: TCP
  selector:
    app: mongo-express
  type: NodePort

---
My ingress:
      ...
      - host: db.myapp.com
        http:
          paths:
            - backend:
                serviceName: mongo-express-service
                servicePort: 8081

如果我添加了ME_CONFIG_BASICAUTH_USERNAME和ME_CONFIG_BASICAUTH_PASSWORD，它将成为上述错误。

即使存在基本身份验证配置和错误，我也会检查此 pod 的日志：

Welcome to mongo-express
------------------------
Mongo Express server listening at http://0.0.0.0:8081
Server is open to allow connections from anyone (0.0.0.0)
basicAuth credentials are "admin:pass", it is recommended you change this in your config.js!
Database connected
Admin Database connected

所以pod中没有错误

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