通过secret yaml文件创建pull image所用的secret
https://kubernetes.io/zh/docs/concepts/configuration/secret/
手动创建 Secret
您也可以先以 json 或 yaml 格式在文件中创建一个 secret 对象，然后创建该对象。
每一项必须是 base64 编码：
base64 -w 0 ~/.docker/config.json
yaml文件内容
registrykey-registry-vpc.cn-beijing.aliyuncs.com.yaml
apiVersion: v1
kind: Secret
metadata:
name: registry-vpc.cn-beijing.aliyuncs.com
namespace: default
data:
.dockerconfigjson: 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
type: kubernetes.io/dockerconfigjson
kubectl create -f registrykey-registry-vpc.cn-beijing.aliyuncs.com.yaml
secret "registry-vpc.cn-beijing.aliyuncs.com" created