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docs(cloudevents): try cloudevents-nodejs with kn (#2827) 

* docs(cloudevents): try cloudevents-nodejs with kn

Adds tabbed instructions for deploying and deleting the Node.js cloudevents
sample using the `kn` CLI.

Signed-off-by: Lance Ball <lball@redhat.com>

* squash: fix copy paste problems

Signed-off-by: Lance Ball <lball@redhat.com>

* squash: incorporate PR feedback

Signed-off-by: Lance Ball <lball@redhat.com>
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Lance Ball 2020-11-04 12:09:04 -05:00 committed by GitHub
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docs/serving/samples/cloudevents/cloudevents-nodejs/README.md
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@ -30,10 +30,10 @@ cd knative-docs/docs/serving/samples/cloudevents/cloudevents-nodejs
- [Docker](https://www.docker.com) installed and running on your local machine,
and a Docker Hub account configured (we'll use it for a container registry).
## The sample code.
## The Sample Code
1. If you look in `index.js`, you will see two key functions for the
different modes of operation:
In the `index.js` file, you will see two key functions for the different modes
of operation:
```js
const receiveAndSend = (cloudEvent, res) => {
@ -47,7 +47,9 @@ cd knative-docs/docs/serving/samples/cloudevents/cloudevents-nodejs
}
```
1. If you look in `Dockerfile`, you will see how the dependencies are installed using npm.
## Build and Deploy the Application
In the `Dockerfile`, you can see how the dependencies are installed using npm.
You can build and push this to your registry of choice via:
```shell
@ -55,13 +57,25 @@ cd knative-docs/docs/serving/samples/cloudevents/cloudevents-nodejs
docker push <image>
```
1. If you look in `service.yaml`, take the `<image>` name above and insert it
into the `image:`.
{{< tabs name="cloudevents_nodejs_deploy" default="kn" >}} {{% tab name="yaml" %}}
To deploy the Knative service, edit the `service.yaml` file and replace
`<registry/repository/image:tag>` with the image you have just created.
```shell
kubectl apply -f service.yaml
```
{{< /tab >}} {{% tab name="kn" %}}
To deploy using the `kn` CLI:
```shell
kn service create cloudevents-nodejs --image=<image>
```
{{ /tab }}{{ /tabs }}
## Testing the sample
Get the URL for your Service with:
@ -93,8 +107,22 @@ You will get back:
## Removing the sample app deployment
To remove the sample app from your cluster, delete the service record:
To remove the sample app from your cluster, delete the service.
{{< tabs name="cloudevents_nodejs_delete" default="kn" >}} {{% tab name="yaml" %}}
Run:
```shell
kubectl delete --filename service.yaml
```
{{< /tab >}} {{% tab name="kn" %}}
Run:
```shell
kn service delete cloudevents-nodejs
```
{{ /tab }}{{ /tabs }}