This chart uses the following docker image to start a simple monolith application: salaboy/fmtok8s-monolith:v0.1.0
- Have a Kubernetes Cluster, you can use KinD or K3s or a real Kubernetes Cluster in a Cloud Provider.
- Install Helm
- Clone this repo with:
git clone https://github.com/salaboy/helm-chart-example.git
Common Helm Operations that you might want to run for your charts (from inside the chart directory):
This will apply the values.yaml file values into the tempaltes and render the output without deploying to Kubernetes.
helm template .
This will create a new Helm Release with the name specified in RELEASE NAME, applying the values.yaml file values into the templates and finally deploying to Kubernetes.
helm install <RELEASE NAME> .
You can list all Releases in the current namespace with:
helm list
Package your chart to distribute, this will generate a tgz (compressed) file with the name of the chart in the same directory.
helm package .
Helm allows you to define Chart dependencies using the dependencies section inside the Charts.yaml file. You can see that this section is commented in this example chart. You can uncomment this section to install PostgreSQL along side your application.
If you want to use dependencies with your charts, you need to make sure to run the following command before running helm package .
helm dependency build
This command will fetch all the dependencies to be packaged with your chart in a single and standalone package.
For more information visit: From Monolith To K8s