54 lines
1.1 KiB
Markdown
54 lines
1.1 KiB
Markdown
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# Ch07 lab
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Run the app:
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```
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kubectl apply -f lab/pi/
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```
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Check the app and see it's broken:
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```
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kubectl describe pod -l app=pi-web
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```
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> The startup command for the app container uses a script which doesn't exist.
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## Sample Solution
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My updated [Deployment](solution/web.yaml) for the web app uses multiple containers.
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Init containers:
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- init container `init-1` writes the startup script file in an EmptyDir volume
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- `init-2` makes the startup script executable
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- `init-3` writes a text file with a fake app version.
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App container:
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- mounts the EmptyDir volume and runs the script at startup; serves the app on port 80.
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Sidecar:
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- runs a simple NCat HTTP server, serving the version number text file on port 8080.
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Run the update and browse to your Service on port 8070 for Pi and 8071 for the version:
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```
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kubectl apply -f lab/solution/
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```
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> This is not the most efficient way to do this! It's just an example which makes use of multi-container Pods.
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## Teardown
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Delete the lab resources by their labels:
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```
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kubectl get all -l kiamol=ch07-lab
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kubectl delete all -l kiamol=ch07-lab
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```
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