(build) Update gh release workflow to publish also the helm chart to GHCR

Author: amuraru

.github/workflows/docker-image.yaml

@@ -0,0 +1,109 @@
+name: release
+
+on:
+  push:
+    tags: [ '*' ]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  # GitHub Container Registry
+  GHCR_REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  GHCR_IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  prepare:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    outputs:
+      tag: ${{ steps.vars.outputs.tag }}
+      built_at: ${{ steps.date.outputs.built_at }}
+    steps:
+      - name: Get tag name
+        id: vars
+        run: echo "tag=${GITHUB_REF:10}" >> $GITHUB_OUTPUT
+      - name: Set Release Date
+        id: date
+        run: |
+          echo "built_at=$(date --rfc-3339=date)" >> $GITHUB_OUTPUT
+
+  release-docker-image:
+    runs-on: ubuntu-latest
+    needs: [prepare]
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Log into GitHub Container Registry ${{ env.GHCR_REGISTRY }}
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.GHCR_REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ${{ env.GHCR_REGISTRY }}/${{ env.GHCR_IMAGE_NAME }}
+          tags: |
+            type=ref,event=tag
+          labels: |
+            org.opencontainers.image.description=KMinion - Prometheus Exporter for Apache Kafka
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          build-args: |
+            VERSION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.version'] }}
+            BUILT_AT=${{ needs.prepare.outputs.built_at }}
+            COMMIT=${{ github.sha }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          annotations: ${{ steps.meta.outputs.annotations }}
+          push: ${{ startsWith(github.ref, 'refs/tags/') }}
+
+  release-helm:
+    runs-on: ubuntu-latest
+    needs: [prepare, release-docker-image]
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+      - name: Update Chart.yaml version, values.yaml image tag, and README.md
+        run: |
+          sed -i "s/^version:.*/version: \"${{ needs.prepare.outputs.tag }}\"/" charts/kminion/Chart.yaml
+          sed -i "s/^appVersion:.*/appVersion: \"${{ needs.prepare.outputs.tag }}\"/" charts/kminion/Chart.yaml
+          # Ensure consistent space-based indentation and update tag
+          sed -i 's/\t/  /g' charts/kminion/values.yaml
+          sed -i "/^image:/,/^[^[:space:]]/ { /^[[:space:]]*tag:.*/s/tag:.*/tag: \"${{ needs.prepare.outputs.tag }}\"/; }" charts/kminion/values.yaml
+          # Update README.md version references if README exists
+          if [ -f charts/kminion/README.md ]; then
+            sed -i "s/--version [0-9]\+\.[0-9]\+\.[0-9]\+-[a-zA-Z0-9-]\+/--version ${{ needs.prepare.outputs.tag }}/g" charts/kminion/README.md
+            sed -i "s/\`[0-9]\+\.[0-9]\+\.[0-9]\+-[a-zA-Z0-9-]\+\`/\`${{ needs.prepare.outputs.tag }}\`/g" charts/kminion/README.md
+          fi
+      - name: Push Helm Chart to GHCR
+        uses: appany/[email protected]
+        with:
+          name: kminion
+          repository: ${{ github.repository_owner }}/helm-charts
+          tag: ${{ needs.prepare.outputs.tag }}
+          path: charts/kminion
+          registry: ${{ env.GHCR_REGISTRY }}
+          registry_username: ${{ github.actor }}
+          registry_password: ${{ secrets.GITHUB_TOKEN }}
+          update_dependencies: 'true'
+