publish.yml

name: Publish Helm Chart

on:
  workflow_call:

jobs:
  publish:
    name: Publish Helm Chart
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 1

      - name: Install Helm
        run: curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash

      - name: Build Helm Chart
        run: helm package ./charts/static-site

      - name: GitHub Container Registry Login
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin

      - name: Publish Helm Chart to GitHub Container Registry
        run: |
          CHART_NAME=$(echo "${GITHUB_REPOSITORY#*/}" | sed -e 's,.*/\(.*\),\1,')
          CHART_VERSION=$(grep 'version:' ./charts/$CHART_NAME/Chart.yaml | tail -n1 | awk '{ print $2}')
          # Change all uppercase to lowercase
          CHART_NAME=$(echo $CHART_NAME | tr '[A-Z]' '[a-z]')
          helm push ${CHART_NAME}-${CHART_VERSION}.tgz oci://ghcr.io/${GITHUB_REPOSITORY%/*}