helm.md

The package manager for kubernetes

Three Big Concepts

• A Chart is a Helm package.
• A Repository is the place where charts can be collected and shared. It's like Perl's CPAN archive or the Fedora Package Database, but for Kubernetes packages.- A Release is an instance of a chart running in a Kubernetes cluster.

Quickstart

install helm

helm search

helm search hub
helm search repo

Initialize a Helm Chart Repository

helm repo add bitnami https://charts.bitnami.com/bitnami

helm tips

install 加上 --dry-run

helm features

• pure client tools (v3)
  • w/o tiller
  • don't need helm init
• 3-way merge
• helm template
  • values.yaml
• dependency

hub

• more then helm

repo

charts

chart hooks

• (pre/post)-(install/delete/upgrade/rollback) / test

helm plugins

https://helm.sh/docs/community/related/#helm-plugins

helm secrets / diff / git

https://www.youtube.com/watch?v=FriVNkaEU8Q sops

web ui

• kubeapps
  • https://kubeapps.dev/docs/latest/tutorials/getting-started/#step-1-install-kubeapps
  • kubectl port-forward --address=100.115.92.200 -n kubeapps svc/kubeapps 8080:80
• helm-dashboard

tilt / werf

flux / argocd

• helm operator

keptn

GitOps

argo workflow /