publish-release.yaml

# Publish chart as OCI image to GitHub registry. Version is automatically gathered from the tag name.
# For this workflow to work, GITHUB_TOKEN needs to be configured with write permissions.
# Additionally, the repository must be granted access in the package settings.

name: Publish chart

on:
  release:
    types: [ released ]

jobs:
  release:
    name: Publish chart to OCI registry
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Helm login
        run: |
          echo "${{ secrets.GITHUB_TOKEN }}" | \
          helm registry login ghcr.io \
            --username "$GITHUB_REPOSITORY_OWNER" \
            --password-stdin
      - name: Helm package
        run: |
          helm package . -u --version "${GITHUB_REF_NAME#v}"
      - name: Helm push
        run: |
          helm push \
          "${GITHUB_REPOSITORY#$GITHUB_REPOSITORY_OWNER/}-${GITHUB_REF_NAME#v}.tgz" \
          "oci://ghcr.io/${GITHUB_REPOSITORY_OWNER}/charts/"