ci: push Helm Chart to GHCR

Fixes: #221

Author: onedr0p

.github/workflows/chart.yml

@@ -12,6 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: write
+      packages: write
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -26,11 +27,31 @@ jobs:
       - name: Install Helm
         uses: azure/setup-helm@v4
         with:
-          version: v3.10.0
+          version: v3.18.2
 
       - name: Run chart-releaser
         uses: helm/[email protected]
+        id: cr
         with:
           charts_dir: charts
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          CR_SKIP_EXISTING: "true"
+
+      - if: ${{ steps.cr.outputs.changed_charts }}
+        name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - if: ${{ steps.cr.outputs.changed_charts }}
+        name: Push Charts to GHCR
+        run: |
+          for pkg in .cr-release-packages/*; do
+            if [ -z "${pkg:-}" ]; then
+              break
+            fi
+            helm push "${pkg}" oci://ghcr.io/${{ github.repository }}/charts
+          done