Run `helmify-kustomize build $chart $env` in order to generate a local helm chart at `$chart/`, from kustomize overlay at `${chart}-kustomize/overlays/$env`

helmify-kustomize

#!/usr/bin/env bash

cmd=$1
chart=$2
env=$3
dir=${chart}-kustomize

chart=${chart/.\//}

build() {
  if [ ! -d "$dir" ]; then
    echo "directory \"$dir\" does not exist. make a kustomize project there in order to generate a local helm chart at $chart/ from it!" 1>&2
    exit 1
  fi

  mkdir -p $chart/templates

  echo "generating $chart/Chart.yaml" 1>&2

  cat <<EOF > $chart/Chart.yaml
apiVersion: v1
appVersion: "1.0"
description: A Helm chart for Kubernetes
name: $chart
version: 0.1.0
EOF

  echo "generating $chart/templates/NOTES.txt" 1>&2

  cat <<EOF > $chart/templates/NOTES.txt
$chart has been installed as release {{ .Release.Name }}.

Run \`helm status {{ .Release.Name }}\` for more information.
Run \`helm delete --purge {{.Release.Name}}\` to uninstall.
EOF

  echo "running kustomize" 1>&2

  (cd $dir; kustomize build overlays/$env) > $chart/templates/all.yaml

  echo "running helm lint" 1>&2

  helm lint $chart

  echo "generated following files:"

  tree $chart
}

clean() {
  rm $chart/Chart.yaml
  rm $chart/templates/*.yaml
}

case "$cmd" in
  "build" ) build ;;
  "clean" ) clean ;;
  * ) echo "unsupported command: $cmd" 1>&2; exit 1 ;;
esac

@lukasmrtvy - Works fine for me in production... just removed the tree command :)

@mumoshu thank you for your work!
I've created simple chartgen from plain manifests.
May be it will be useful for someone else.