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Add GitHub Actions workflow to publish Helm chart to GHCR
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‎.github/workflows/publish.yaml‎

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name: Publish Helm Chart
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on:
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push:
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branches:
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- main
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workflow_dispatch:
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env:
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REGISTRY: ghcr.io
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CHART_NAME: supabase
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permissions:
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contents: read
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packages: write
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jobs:
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extract-version:
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runs-on: ubuntu-latest
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outputs:
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version: ${{ steps.version.outputs.version }}
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Extract version from Chart.yaml
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id: version
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run: |
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VERSION=$(grep '^version:' charts/supabase/Chart.yaml | awk '{print $2}')
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echo "version=$VERSION" >> $GITHUB_OUTPUT
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echo "Chart version: $VERSION"
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package-and-publish:
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needs: extract-version
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runs-on: ubuntu-latest
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Set up Helm
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uses: azure/setup-helm@v4
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with:
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version: 'v3.12.1'
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- name: Verify chart directory exists
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run: |
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echo "Verifying chart directory..."
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test -d "charts/supabase" && echo "✓ charts/supabase exists" || (echo "✗ charts/supabase MISSING" && exit 1)
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- name: Package Helm chart
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run: |
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VERSION=${{ needs.extract-version.outputs.version }}
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# Create output directory
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mkdir -p /tmp/charts
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# Package the chart
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echo "Packaging chart: ${{ env.CHART_NAME }} version $VERSION"
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helm package charts/supabase --version "$VERSION" -d /tmp/charts
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# List packaged chart
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ls -la /tmp/charts/*.tgz
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- name: Log in to GitHub Container Registry
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uses: docker/login-action@v3
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with:
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registry: ${{ env.REGISTRY }}
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Push Helm chart to GHCR OCI
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run: |
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VERSION=${{ needs.extract-version.outputs.version }}
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CHART_TGZ=$(ls /tmp/charts/*.tgz)
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echo "Pushing chart: $(basename "$CHART_TGZ")"
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# Push to GHCR OCI registry
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helm push "$CHART_TGZ" oci://${{ env.REGISTRY }}/${{ github.repository_owner }}/helm-charts
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echo "✅ Published chart: ${{ env.CHART_NAME }}:$VERSION"
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summary:
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needs: [extract-version, package-and-publish]
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runs-on: ubuntu-latest
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if: always()
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steps:
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- name: Build Summary
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run: |
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VERSION=${{ needs.extract-version.outputs.version }}
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echo "### Build Summary :rocket:" >> $GITHUB_STEP_SUMMARY
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echo "" >> $GITHUB_STEP_SUMMARY
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echo "- **Chart**: \`${{ env.CHART_NAME }}\`" >> $GITHUB_STEP_SUMMARY
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echo "- **Version**: \`$VERSION\`" >> $GITHUB_STEP_SUMMARY
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echo "- **Registry**: GitHub Container Registry (GHCR)" >> $GITHUB_STEP_SUMMARY
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echo "" >> $GITHUB_STEP_SUMMARY
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echo "#### Published Helm Chart:" >> $GITHUB_STEP_SUMMARY
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echo "- \`oci://${{ env.REGISTRY }}/${{ github.repository_owner }}/helm-charts/${{ env.CHART_NAME }}:$VERSION\`" >> $GITHUB_STEP_SUMMARY
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echo "" >> $GITHUB_STEP_SUMMARY
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echo "### Usage" >> $GITHUB_STEP_SUMMARY
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echo "" >> $GITHUB_STEP_SUMMARY
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echo "Add the Helm repository:" >> $GITHUB_STEP_SUMMARY
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echo "\`\`\`bash" >> $GITHUB_STEP_SUMMARY
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echo "helm repo add supabase oci://${{ env.REGISTRY }}/${{ github.repository_owner }}/helm-charts" >> $GITHUB_STEP_SUMMARY
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echo "helm repo update" >> $GITHUB_STEP_SUMMARY
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echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
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echo "" >> $GITHUB_STEP_SUMMARY
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echo "Install the chart:" >> $GITHUB_STEP_SUMMARY
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echo "\`\`\`bash" >> $GITHUB_STEP_SUMMARY
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echo "helm install my-supabase supabase/supabase --version $VERSION" >> $GITHUB_STEP_SUMMARY
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echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
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echo "" >> $GITHUB_STEP_SUMMARY
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echo "Or update your HelmRelease resource:" >> $GITHUB_STEP_SUMMARY
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echo "\`\`\`yaml" >> $GITHUB_STEP_SUMMARY
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echo "spec:" >> $GITHUB_STEP_SUMMARY
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echo " chart:" >> $GITHUB_STEP_SUMMARY
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echo " spec:" >> $GITHUB_STEP_SUMMARY
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echo " chart: ${{ env.CHART_NAME }}" >> $GITHUB_STEP_SUMMARY
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echo " sourceRef:" >> $GITHUB_STEP_SUMMARY
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echo " name: supabase" >> $GITHUB_STEP_SUMMARY
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echo " namespace: flux-system" >> $GITHUB_STEP_SUMMARY
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echo " version: $VERSION" >> $GITHUB_STEP_SUMMARY
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echo "\`\`\`" >> $GITHUB_STEP_SUMMARY

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