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add matchLabels description (#6020)

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Shual Liu
2017-10-24 01:15:03 +08:00
committed by Steve Perry
parent b38ab1e240
commit 05c0a65373
1 changed files with 4 additions and 0 deletions
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docs/concepts/workloads/controllers/deployment.md
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@@ -48,6 +48,10 @@ In this example:
[Docker Hub](https://hub.docker.com/) image at version 1.7.9. [Docker Hub](https://hub.docker.com/) image at version 1.7.9.
* The Deployment opens port 80 for use by the Pods. * The Deployment opens port 80 for use by the Pods.
Note: `matchLabels` is a map of {key,value} pairs. A single {key,value} in the matchLabels map
is equivalent to an element of matchExpressions, whose key field is "key", the operator is "In",
and the values array contains only "value". The requirements are ANDed.
The `template` field contains the following instructions: The `template` field contains the following instructions:
* The Pods are labeled `app: nginx` * The Pods are labeled `app: nginx`