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Add selector spec description (#5789)

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* Add selector spec description

* Fix selector field explanation
This commit is contained in:
Kyle Bai
2017-10-26 07:11:41 +08:00
committed by zacharysarah
parent 67333c4b5b
commit 643b72e187
1 changed files with 4 additions and 0 deletions
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docs/concepts/workloads/controllers/deployment.md
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@@ -43,6 +43,10 @@ In this example:
* A Deployment named `nginx-deployment` is created, indicated by the `metadata: name` field. * A Deployment named `nginx-deployment` is created, indicated by the `metadata: name` field.
* The Deployment creates three replicated Pods, indicated by the `replicas` field. * The Deployment creates three replicated Pods, indicated by the `replicas` field.
* The `selector` field defines how the Deployment finds which Pods to manage.
In this case, we simply select on one label defined in the Pod template (`app: nginx`).
However, more sophisticated selection rules are possible,
as long as the Pod template itself satisfies the rule.
* The Pod template's specification, or `template: spec` field, indicates that * The Pod template's specification, or `template: spec` field, indicates that
the Pods run one container, `nginx`, which runs the `nginx` the Pods run one container, `nginx`, which runs the `nginx`
[Docker Hub](https://hub.docker.com/) image at version 1.7.9. [Docker Hub](https://hub.docker.com/) image at version 1.7.9.