chore: implement helm chart release automation to gh-pages

.github/workflows/docker.yml

@@ -54,14 +54,16 @@ jobs:
           echo "VERSION=$NEW_VERSION" >> $GITHUB_OUTPUT
           echo "$CURRENT → $NEW_VERSION ($BUMP)"
 
-          # Update both package.json files
+          # Update package.json files and Helm chart
           cd server && npm version "$NEW_VERSION" --no-git-tag-version && cd ..
           cd client && npm version "$NEW_VERSION" --no-git-tag-version && cd ..
+          sed -i "s/^version: .*/version: $NEW_VERSION/" charts/trek/Chart.yaml
+          sed -i "s/^appVersion: .*/appVersion: \"$NEW_VERSION\"/" charts/trek/Chart.yaml
 
           # Commit and tag
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
-          git add server/package.json server/package-lock.json client/package.json client/package-lock.json
+          git add server/package.json server/package-lock.json client/package.json client/package-lock.json charts/trek/Chart.yaml
           git commit -m "chore: bump version to $NEW_VERSION [skip ci]"
           git tag "v$NEW_VERSION"
           git push origin main --follow-tags

.github/workflows/helm-release.yml

@@ -0,0 +1,25 @@
+name: Release Helm Chart
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Helm Chart Releaser
+        uses: helm/chart-releaser-action@v1.7.0
+        with:
+          config: |
+            pages_branch: gh-pages
+            charts_dir: charts