guestbook: an example chart for educational purpose.

This chart provides example of some of the important features of Helm.

The chart installs a guestbook application.

Installing the Chart

Add the repository to your local environment:

$ helm repo add apphub https://apphub.aliyuncs.com

To install the chart with release name of guestbook:

$ helm install guestbook apphub/guestbook

Configuration

The following tables lists the configurable parameters of the chart and their default values.

Parameter	Description	Default
image.repository	Image repository	resouer/guestbook
image.tag	Image tag	v1
image.pullPolicy	Image pull policy	Always
service.type	Service type	LoadBalancer
service.port	Service port	3000
redis.slaveEnabled	Redis slave enabled	true
redis.port	Redis port	6379

Specify each parameter using the --set [key=value] argument to helm install. For example,

$ helm install apphub/guestbook --set service.type=NodePort

Use Kustomize to configure the application

TBD

Use Kruise to upgrade the application

TBD: Link to Kruise Tutorial

Uninstalling the Chart

To completely uninstall/delete the guestbook deployment:

$ helm delete --purge guestbook

The command removes all the Kubernetes components associated with the chart and deletes the release.