Publish vulcan chart also to ghcr.io OCI registry

.github/workflows/release.yml

@@ -14,6 +14,7 @@ jobs:
 
     permissions:
       contents: write
+      packages: write
 
     runs-on: ubuntu-latest
 
@@ -40,3 +41,11 @@ jobs:
           charts_dir: stable
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Publish to ghcr.io
+        run: |
+          helm dep update stable/vulcan
+          OUT=$(mktemp -d)
+          helm package stable/vulcan -d $OUT
+          helm registry login ghcr.io -u ${{ github.actor }} -p ${{ secrets.GITHUB_TOKEN }}
+          find "$OUT" -name "*.tgz" -exec helm push {} oci://ghcr.io/${{ github.repository }} \;

README.md

@@ -8,12 +8,6 @@ https://adevinta.github.io/vulcan-charts
 
 ## Vulcan Charts
 
-Add the Vulcan repository to Helm:
-
-```sh
-helm repo add vulcan https://adevinta.github.io/vulcan-charts
-```
-
 ### Vulcan
 
 Create the `vulcan` namespace:
@@ -27,7 +21,12 @@ Create a `values.yaml` config file with the parameters or choose one of the file
 Install vulcan application:
 
 ```sh
+# Based on a helm http repository
+helm repo add vulcan https://adevinta.github.io/vulcan-charts
 helm upgrade -i vulcan vulcan/vulcan -f examples/local.yaml --namespace vulcan
+
+# Based on OCI (recommended)
+helm upgrade -i vulcan oci://ghcr.io/adevinta/vulcan-charts/vulcan -f examples/local.yaml --namespace vulcan
 ```
 
 ## Contributors