Helm and IaaC

Helm:

• Helm is package manager for K8s

• Helm is broadly composed of 3 components:

  • Chart: Contains all necessary resource definitions to run app, tool on K8s cluster

  • Repository: The palce where charts can be collected and shared

  • Released: An intence of a chart running in K8s cluster

• Artifacthub is where we find and public helm charts

Kustomize:

• Maybe alternative to Helm

• It provides more flexibility when writing

• Kustomize it's built into kubectl

• Kustomize file defines what will be overwritten in the base component.

Infrastructure as a Code (IaaC):

• Script to automate, create, update or destory cloud infrastructure

• IaaC is blueprint of your infrastructure

• IaaC allows easy share, version or inventory your cloud infrastructure

Popular Infrastructure

• Declarative:

  • Terraform

  • Azure blueprint

  • Cloudformation

• Imperative:

  • AWS cloud development kit

  • Pulumi

IaaC for Kubernetes:

• Managin Infra of the cluster:

  • Terraform

• Managing Infra in the cluster:

  • Helm