Add vlt to the docker build

.github/workflows/frontend.yml

@@ -103,6 +103,30 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Use Node.js ${{ env.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
+      - name: Enable corepack
+        run: corepack enable
+
+      - name: Get pnpm store directory
+        shell: bash
+        run: |
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+
+      - uses: actions/cache@v4
+        name: Setup pnpm cache
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
+
+      - name: Install dependencies
+        run: make install
+
       - name: Docker meta
         id: meta
         uses: docker/metadata-action@v5

frontend/Dockerfile

@@ -3,6 +3,7 @@ ARG VOLTO_VERSION
 FROM plone/frontend-builder:${VOLTO_VERSION} AS builder
 
 COPY --chown=node packages/volto-intranet /app/packages/volto-intranet
+COPY --chown=node packages/volto-light-theme /app/packages/volto-light-theme
 COPY --chown=node volto.config.js /app/
 COPY --chown=node package.json /app/package.json.temp