Move chart hosting to GHCR (#612)

* Move chart hosting to GHCR

* update all chart readmes

---------

Co-authored-by: Max Williams <max-rocket-internet@users.noreply.github.com>

.github/workflows/helm-publish.yaml

@@ -0,0 +1,53 @@
+name: Helm Publish
+
+on:
+  push:
+    branches:
+    - master
+    paths:
+      - 'stable/**'
+  workflow_dispatch:
+
+env:
+  CHARTS_PATH: stable
+  REGISTRY: "ghcr.io/${{ github.repository }}"
+
+jobs:
+  helm:
+    permissions:
+      contents: read
+      packages: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install Helm
+        uses: azure/setup-helm@v4
+        with:
+          version: v3.12.3 # Lock version for now, helm v3.13.0 contains bugs related to oci that will be fixed in v3.13.1. https://github.com/helm/helm/issues/12423
+      - name: Package Helm Charts
+        shell: bash
+        run: |
+          find ${CHARTS_PATH} -type f -name 'Chart.yaml' | sed -r 's|/[^/]+$||' | sort | uniq | xargs --verbose -L 1 helm dep up
+          for d in ${CHARTS_PATH}/*; do
+              if [[ ! -f "${d}/Chart.yaml" ]]; then
+                  echo "${d}/Chart.yaml not found. Skipping."
+                  continue
+              fi
+              echo "$d"
+              helm package "$d" -u
+          done
+          echo "Packing done"
+      - name: Login to GitHub Container Registry
+        shell: bash
+        run: echo "${GITHUB_TOKEN}" | helm registry login ${REGISTRY} --username ${GITHUB_ACTOR} --password-stdin
+        env:
+          REGISTRY: "ghcr.io/${{ github.repository }}"
+          GITHUB_TOKEN: ${{ github.token }}
+      - name: Push Helm Charts to Github Container Registry (OCI)
+        shell: bash
+        run: |
+          for f in *.tgz ; do
+              echo "$f"
+              helm push $f oci://${REGISTRY,,}
+          done

README.md

@@ -7,13 +7,9 @@
 ## TLDR
 
 ```console
-helm repo add deliveryhero https://charts.deliveryhero.io/
-helm search repo deliveryhero
-helm install my-release deliveryhero/<chart>
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/<chart>
 ```
 
-[![adding deliveryhero chart repo](img/add-repo.gif)](#)
-
 ## Chart list
 
 [![Artifact HUB](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/deliveryhero)](https://artifacthub.io/packages/search?repo=deliveryhero)

ci/README.md.gotmpl

@@ -9,34 +9,34 @@
 
 ## How to install this chart
 
-Add Delivery Hero public chart repo:
+A simple install with default values:
 
 ```console
-helm repo add deliveryhero https://charts.deliveryhero.io/
+helm install oci://ghcr.io/deliveryhero/helm-charts/{{ template "chart.name" . }}
 ```
 
-A simple install with default values:
+To install a specific version of this chart:
 
 ```console
-helm install deliveryhero/{{ template "chart.name" . }}
+helm install oci://ghcr.io/deliveryhero/helm-charts/{{ template "chart.name" . }} --version <version>
 ```
 
 To install the chart with the release name `my-release`:
 
 ```console
-helm install my-release deliveryhero/{{ template "chart.name" . }}
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/{{ template "chart.name" . }}
 ```
 
 To install with some set values:
 
 ```console
-helm install my-release deliveryhero/{{ template "chart.name" . }} --set values_key1=value1 --set values_key2=value2
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/{{ template "chart.name" . }} --set values_key1=value1 --set values_key2=value2
 ```
 
 To install with custom values file:
 
 ```console
-helm install my-release deliveryhero/{{ template "chart.name" . }} -f values.yaml
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/{{ template "chart.name" . }} -f values.yaml
 ```
 
 {{ template "chart.sourcesSection" . }}

stable/aws-ebs-csi-driver/README.md

@@ -8,34 +8,34 @@ A Helm chart for AWS EBS CSI Driver
 
 ## How to install this chart
 
-Add Delivery Hero public chart repo:
+A simple install with default values:
 
 ```console
-helm repo add deliveryhero https://charts.deliveryhero.io/
+helm install oci://ghcr.io/deliveryhero/helm-charts/aws-ebs-csi-driver
 ```
 
-A simple install with default values:
+To install a specific version of this chart:
 
 ```console
-helm install deliveryhero/aws-ebs-csi-driver
+helm install oci://ghcr.io/deliveryhero/helm-charts/aws-ebs-csi-driver --version <version>
 ```
 
 To install the chart with the release name `my-release`:
 
 ```console
-helm install my-release deliveryhero/aws-ebs-csi-driver
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-ebs-csi-driver
 ```
 
 To install with some set values:
 
 ```console
-helm install my-release deliveryhero/aws-ebs-csi-driver --set values_key1=value1 --set values_key2=value2
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-ebs-csi-driver --set values_key1=value1 --set values_key2=value2
 ```
 
 To install with custom values file:
 
 ```console
-helm install my-release deliveryhero/aws-ebs-csi-driver -f values.yaml
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-ebs-csi-driver -f values.yaml
 ```
 
 ## Source Code

stable/aws-s3-proxy/README.md

@@ -10,34 +10,34 @@ See here for configuration via environment variables: https://github.com/pottava
 
 ## How to install this chart
 
-Add Delivery Hero public chart repo:
+A simple install with default values:
 
 ```console
-helm repo add deliveryhero https://charts.deliveryhero.io/
+helm install oci://ghcr.io/deliveryhero/helm-charts/aws-s3-proxy
 ```
 
-A simple install with default values:
+To install a specific version of this chart:
 
 ```console
-helm install deliveryhero/aws-s3-proxy
+helm install oci://ghcr.io/deliveryhero/helm-charts/aws-s3-proxy --version <version>
 ```
 
 To install the chart with the release name `my-release`:
 
 ```console
-helm install my-release deliveryhero/aws-s3-proxy
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-s3-proxy
 ```
 
 To install with some set values:
 
 ```console
-helm install my-release deliveryhero/aws-s3-proxy --set values_key1=value1 --set values_key2=value2
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-s3-proxy --set values_key1=value1 --set values_key2=value2
 ```
 
 To install with custom values file:
 
 ```console
-helm install my-release deliveryhero/aws-s3-proxy -f values.yaml
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-s3-proxy -f values.yaml
 ```
 
 ## Values

stable/aws-service-events-exporter/README.md

@@ -11,34 +11,34 @@ This helm chart exports aws service events to prometheus via aws SQS queue, this
 
 ## How to install this chart
 
-Add Delivery Hero public chart repo:
+A simple install with default values:
 
 ```console
-helm repo add deliveryhero https://charts.deliveryhero.io/
+helm install oci://ghcr.io/deliveryhero/helm-charts/aws-service-events-exporter
 ```
 
-A simple install with default values:
+To install a specific version of this chart:
 
 ```console
-helm install deliveryhero/aws-service-events-exporter
+helm install oci://ghcr.io/deliveryhero/helm-charts/aws-service-events-exporter --version <version>
 ```
 
 To install the chart with the release name `my-release`:
 
 ```console
-helm install my-release deliveryhero/aws-service-events-exporter
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-service-events-exporter
 ```
 
 To install with some set values:
 
 ```console
-helm install my-release deliveryhero/aws-service-events-exporter --set values_key1=value1 --set values_key2=value2
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-service-events-exporter --set values_key1=value1 --set values_key2=value2
 ```
 
 To install with custom values file:
 
 ```console
-helm install my-release deliveryhero/aws-service-events-exporter -f values.yaml
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-service-events-exporter -f values.yaml
 ```
 
 ## Source Code

stable/aws-service-quotas-exporter/README.md

@@ -8,34 +8,34 @@ This exporter exports AWS service quotas and usage as Prometheus metrics
 
 ## How to install this chart
 
-Add Delivery Hero public chart repo:
+A simple install with default values:
 
 ```console
-helm repo add deliveryhero https://charts.deliveryhero.io/
+helm install oci://ghcr.io/deliveryhero/helm-charts/aws-service-quotas-exporter
 ```
 
-A simple install with default values:
+To install a specific version of this chart:
 
 ```console
-helm install deliveryhero/aws-service-quotas-exporter
+helm install oci://ghcr.io/deliveryhero/helm-charts/aws-service-quotas-exporter --version <version>
 ```
 
 To install the chart with the release name `my-release`:
 
 ```console
-helm install my-release deliveryhero/aws-service-quotas-exporter
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-service-quotas-exporter
 ```
 
 To install with some set values:
 
 ```console
-helm install my-release deliveryhero/aws-service-quotas-exporter --set values_key1=value1 --set values_key2=value2
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-service-quotas-exporter --set values_key1=value1 --set values_key2=value2
 ```
 
 To install with custom values file:
 
 ```console
-helm install my-release deliveryhero/aws-service-quotas-exporter -f values.yaml
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-service-quotas-exporter -f values.yaml
 ```
 
 ## Source Code

stable/aws-storage-class/README.md

@@ -8,34 +8,34 @@ Creates a StorageClass. From here: https://github.com/kubernetes/kubernetes/blob
 
 ## How to install this chart
 
-Add Delivery Hero public chart repo:
+A simple install with default values:
 
 ```console
-helm repo add deliveryhero https://charts.deliveryhero.io/
+helm install oci://ghcr.io/deliveryhero/helm-charts/aws-storage-class
 ```
 
-A simple install with default values:
+To install a specific version of this chart:
 
 ```console
-helm install deliveryhero/aws-storage-class
+helm install oci://ghcr.io/deliveryhero/helm-charts/aws-storage-class --version <version>
 ```
 
 To install the chart with the release name `my-release`:
 
 ```console
-helm install my-release deliveryhero/aws-storage-class
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-storage-class
 ```
 
 To install with some set values:
 
 ```console
-helm install my-release deliveryhero/aws-storage-class --set values_key1=value1 --set values_key2=value2
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-storage-class --set values_key1=value1 --set values_key2=value2
 ```
 
 To install with custom values file:
 
 ```console
-helm install my-release deliveryhero/aws-storage-class -f values.yaml
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/aws-storage-class -f values.yaml
 ```
 
 ## Values

stable/backstage-mono/README.md

@@ -8,34 +8,34 @@ A Helm chart for simple backstage deployment. This chart deploys a single pod fo
 
 ## How to install this chart
 
-Add Delivery Hero public chart repo:
+A simple install with default values:
 
 ```console
-helm repo add deliveryhero https://charts.deliveryhero.io/
+helm install oci://ghcr.io/deliveryhero/helm-charts/backstage-mono
 ```
 
-A simple install with default values:
+To install a specific version of this chart:
 
 ```console
-helm install deliveryhero/backstage-mono
+helm install oci://ghcr.io/deliveryhero/helm-charts/backstage-mono --version <version>
 ```
 
 To install the chart with the release name `my-release`:
 
 ```console
-helm install my-release deliveryhero/backstage-mono
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/backstage-mono
 ```
 
 To install with some set values:
 
 ```console
-helm install my-release deliveryhero/backstage-mono --set values_key1=value1 --set values_key2=value2
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/backstage-mono --set values_key1=value1 --set values_key2=value2
 ```
 
 To install with custom values file:
 
 ```console
-helm install my-release deliveryhero/backstage-mono -f values.yaml
+helm install my-release oci://ghcr.io/deliveryhero/helm-charts/backstage-mono -f values.yaml
 ```
 
 ## Values