ci(helm-docs): deploy helm chart and update the documentation

Author: oussama Dahmaz

.github/workflows/deployment-chart.yml

@@ -0,0 +1,118 @@
+name: "[Deployment] Release the helm chart"
+
+on:
+  release:
+    types: [released]
+
+jobs:
+  release-helm-chart:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout helm chart Repo
+        uses: actions/checkout@v4
+        with:
+          repository: homarr-labs/charts
+          path: chart-repo
+          token: ${{ secrets.GITHUB_TOKEN }}
+          ref: dev
+
+      - name: Update artifacthub changelog
+        run: |
+          set -eux
+          export DESCRIPTION="Update ghcr.io/homarr-labs/homarr docker tag to ${{ github.event.release.tag_name }}"
+          ./chart-repo/hack/update-changelog.sh "changed" "$DESCRIPTION"
+
+      - name: Extract appVersion from Chart.yaml
+        id: get-app-version
+        run: |
+          set -eux
+          APP_VERSION=$(yq e '.appVersion' chart-repo/charts/homarr/Chart.yaml | sed 's/^v//')
+          RELEASE_VERSION=$(echo "${{ github.event.release.tag_name }}" | sed 's/^v//')
+          echo "APP_VERSION=$APP_VERSION" >> $GITHUB_ENV
+          echo "RELEASE_VERSION=$RELEASE_VERSION" >> $GITHUB_ENV
+          echo "App version: $APP_VERSION"
+          echo "Release version: $RELEASE_VERSION"
+
+      - name: Determine version type (Major, Minor, Patch)
+        id: version-check
+        run: |
+          set -eux
+
+          IFS='.' read -r MAJOR_OLD MINOR_OLD PATCH_OLD <<< "$APP_VERSION"
+          IFS='.' read -r MAJOR_NEW MINOR_NEW PATCH_NEW <<< "$RELEASE_VERSION"
+
+          if [ "$MAJOR_OLD" -lt "$MAJOR_NEW" ]; then
+            VERSION_TYPE="major"
+          elif [ "$MINOR_OLD" -lt "$MINOR_NEW" ]; then
+            VERSION_TYPE="minor"
+          elif [ "$PATCH_OLD" -lt "$PATCH_NEW" ]; then
+            VERSION_TYPE="patch"
+          else
+            VERSION_TYPE="unknown"
+          fi
+
+          echo "VERSION_TYPE=$VERSION_TYPE" >> $GITHUB_ENV
+          echo "Detected version type: $VERSION_TYPE"
+
+      - name: Update chart version
+        run: |
+          set -eux
+          ./chart-repo/hack/update-version.sh "$VERSION_TYPE"
+
+      - name: Install helm-docs
+        uses: gabe565/setup-helm-docs-action@v1
+
+      - name: Generate Helm docs
+        run: |
+          set -eu
+          ./chart-repo/hack/gen-helm-docs.sh
+
+      - name: Commit chart version
+        run: |
+          cd chart-repo
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add .
+          export COMMIT_MESSAGE="chore(deps): update ghcr.io/homarr-labs/homarr docker tag to ${{ github.event.release.tag_name }}"
+          git commit -m "$COMMIT_MESSAGE" || echo "No changes to commit"
+
+      - name: Obtain token
+        id: obtainToken
+        uses: tibdex/github-app-token@v2
+        with:
+          private_key: ${{ secrets.HOMARR_DOCS_RELEASE_APP_PRIVATE_KEY }}
+          app_id: ${{ vars.HOMARR_DOCS_RELEASE_APP_ID }}
+          installation_retrieval_mode: repository
+          installation_retrieval_payload: homarr-labs/charts
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v7
+        id: cpr
+        with:
+          token: ${{ steps.obtainToken.outputs.token }}
+          branch: release/${{ github.event.release.tag_name }}
+          base: dev
+          title: 'chore(deps): update ghcr.io/homarr-labs/homarr docker tag to ${{ github.event.release.tag_name }}'
+          delete-branch: true
+          path: target-repo
+          body: |
+            ### 🔄 Release Helm Chart
+      
+            This PR updates the Helm chart
+      
+            - Docker tag updated to: `${{ github.event.release.tag_name }}`
+            - Branch: `release/${{ github.event.release.tag_name }}`
+            - Chart version updated based on detected version type: `${{ env.VERSION_TYPE }}`
+      
+            ---
+            _Automatically generated by GitHub Actions on release event._
+          labels: |
+            helm
+            release
+
+      - name: Enable Pull Request Automerge
+        if: steps.cpr.outputs.pull-request-operation == 'created'
+        run: gh pr merge --merge --auto "${{ steps.cpr.outputs.pull-request-number }}" --repo https://github.com/homarr-labs/charts
+        env:
+          GH_TOKEN: ${{ steps.obtainToken.outputs.token }}