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Some docs on constraints on node additions/removals
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Signed-off-by: Alvaro Saurin <alvaro.saurin@gmail.com>
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inercia committed Jan 19, 2021
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13 changes: 10 additions & 3 deletions README.md
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@@ -26,13 +26,20 @@ delete clusters, and to merge them into your `kubeconfig`.

<p><img src="images/demo-create-cluster.gif" width="700"/></p>

* **Add/remove nodes** to existing k3d clusters.
* **Add/remove nodes** to/from existing k3d clusters.

For example, we can add a new "Agent node" to an exiting cluster by
using the right menu available in the `Clouds` view for k3d clusters.
The number of Server and Agent nodes can be set not only when creating a clusterm, but you
can also grow the cluster later on. For example, we can add a new "Agent node" to an exiting
cluster by using the right menu available in the `Clouds` view for k3d clusters.

<p><img src="images/demo-create-cluster-add-agent.gif" width="250"/></p>

It is important to note that there are some **constraints on node additions and removals**:

* Servers can only be added to clusters that were created with two or more servers or
with the _"Growable servers"_ flag set.
* A server cannot be removed when it is the last server in the cluster.

* **Commands and keyboard shortcuts** for all the operations.

<p><img src="images/demo-commands.gif" width="400"/></p>

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