Official devstack chart repository
Adding this repo to helm:
# add the repo
$ helm repo add devstack https://apps.devstack.com
# check for it
$ helm repo list
# list all charts
$ helm search
# list only devstack charts
$ helm search devstack
# install a chart
$ helm install devstack/gerrit
# update repo index
$ helm repo update
# create base with helm
$ helm create stable/my-awesome-chart
# change it as you wants
$ ...
# test changes locally
$ make index
$ helm install packages/my-awesome-chart-0.1.0.tgz
# deploy
$ make deploy