(feat) publish litellm helm charts

.github/workflows/ghcr_deploy.yml

@@ -10,6 +10,7 @@ on:
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
+  CHART_NAME: litellm
 
 # There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
 jobs:
@@ -118,6 +119,58 @@ jobs:
           tags: ${{ steps.meta-database.outputs.tags }}-${{ github.event.inputs.tag || 'latest' }}, ${{ steps.meta-database.outputs.tags }}-latest 
           labels: ${{ steps.meta-database.outputs.labels }} 
           platforms: local,linux/amd64,linux/arm64,linux/arm64/v8
+  build-and-push-helm-chart:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: lowercase github.repository_owner
+        run: |
+          echo "REPO_OWNER=`echo ${{github.repository_owner}} | tr '[:upper:]' '[:lower:]'`" >>${GITHUB_ENV}
+      - name: Get LiteLLM Latest Tag
+        id: current_app_tag
+        uses: WyriHaximus/github-action-get-previous-tag@v1.3.0
+
+      - name: Get last published chart version
+        id: current_version
+        shell: bash
+        run: |
+          CHART_LIST=$(helm show chart oci://${{ env.REGISTRY }}/${{ env.REPO_OWNER }}/${{ env.CHART_NAME }} 2>/dev/null || true)
+          if [ -z "${CHART_LIST}" ]; then
+            echo "current-version=0.1.0" | tee -a $GITHUB_OUTPUT
+          else
+            printf '%s' "${CHART_LIST}" | grep '^version:' | awk 'BEGIN{FS=":"}{print "current-version="$2}' | tr -d " " | tee -a $GITHUB_OUTPUT
+          fi
+        env:
+          HELM_EXPERIMENTAL_OCI: '1'
+
+      # Automatically update the helm chart version one "patch" level
+      - name: Bump release version
+        id: bump_version
+        uses: christian-draeger/increment-semantic-version@1.1.0
+        with:
+          current-version: ${{ steps.current_version.outputs.current-version || '0.1.0' }}
+          version-fragment: 'bug'
+
+      - uses: ./.github/actions/helm-oci-chart-releaser
+        with:
+          name: ${{ env.CHART_NAME }}
+          repository: ${{ env.REPO_OWNER }}
+          tag: ${{ github.event.inputs.chartVersion || steps.bump_version.outputs.next-version || '0.1.0' }}
+          app_version: ${{ steps.current_app_tag.outputs.tag || 'latest' }}
+          path: deploy/charts/${{ env.CHART_NAME }}
+          registry: ${{ env.REGISTRY }}
+          registry_username: ${{ github.actor }}
+          registry_password: ${{ secrets.GITHUB_TOKEN }}
+          update_dependencies: true
 
   release:
     name: "New LiteLLM Release"