kubernetes通过配置hostAliases 实现pod解析指定host

apiVersion: apps/v1
kind: Deployment
metadata:
  name: my-app
spec:
  replicas: 1
  selector:
    matchLabels:
      app: my-app
  template:
    metadata:
      labels:
        app: my-app
    spec:
      hostAliases:
      - ip: "10.0.0.1"
        hostnames:
        - "example.com"
        - "www.example.com"
      - ip: "10.0.0.2"
        hostnames:
        - "foo.bar"
        - "bar.foo"
      containers:
      - name: my-app-container
        image: my-app-image:latest
        ports:
        - containerPort: 8080
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