Add Node.js and npm run build to compile Vite frontend assets

Dockerfile

@@ -38,6 +38,10 @@ RUN sed -i '/<Directory \/var\/www\/public\/>/,/<\/Directory>/ s/AllowOverride N
 
 WORKDIR /var/www
 
+# Install Node.js & NPM
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
+    && apt-get install -y nodejs
+
 # Install PHP dependencies (production only)
 COPY composer.json composer.lock* ./
 RUN composer install --no-dev --no-scripts --no-autoloader --prefer-dist
@@ -45,6 +49,9 @@ RUN composer install --no-dev --no-scripts --no-autoloader --prefer-dist
 # Copy application
 COPY . /var/www
 
+# Install Node modules and build Vite assets
+RUN npm ci && npm run build
+
 # Dump optimized autoloader
 RUN composer dump-autoload --optimize