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Update outdated documentation about secret key validation. #7675

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Mar 23, 2018
Merged

Update outdated documentation about secret key validation. #7675

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4 changes: 1 addition & 3 deletions docs/concepts/configuration/secret.md
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Expand Up @@ -117,9 +117,7 @@ data:
password: MWYyZDFlMmU2N2Rm
```

The data field is a map. Its keys must match
[`DNS_SUBDOMAIN`](https://git.k8s.io/community/contributors/design-proposals/architecture/identifiers.md), except that leading dots are also
allowed. The values are arbitrary data, encoded using base64.
The data field is a map. Its keys must consist of alphanumeric characters, '-', '_' or '.'. The values are arbitrary data, encoded using base64.

Create the secret using [`kubectl create`](/docs/user-guide/kubectl/{{page.version}}/#create):

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