k8s-manifests/jupyter/overlays/test/deployment.yml

apiVersion: v1
kind: Pod
spec:
  matadata:
    name: hub
  template:
    spec:
      containers:
        ports:
          - containerPort: 8081
            name: http
            protocol: TCP
          - containerPort: 8082
            name: refresh-token
            protocol: TCP
      hostAliases:
        - hostnames:
            - hub
          ip: 127.0.0.1