Kubernetes Deployment 101

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Create deployment

To create deployment from command line use the following command, --dry-run will just show resource and not create. -o yaml will show output as yaml

kubectl create deployment nginx-deployment --image=busybox --dry-run -o yaml

Few useful flags to use.

  • -r for creating replicas. By default it is 1.

Scale deployment

kubectl scale deployment/nginx-deployment --replicas=2

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Expose deployment as service

kubectl expose deployment nginx-deployment --port=80 --target-port=8000  --type=LoadBalancer --name=my-service

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