fix: install composer dependencies during kaniko build phase

Dockerfile

@@ -43,8 +43,12 @@ WORKDIR /var/www/html
 # Salin source code aplikasi
 COPY . /var/www/html
 
-# Atur hak akses folder storage dan cache Laravel
-RUN chown -R www-data:www-data /var/www/html/storage /var/www/html/bootstrap/cache \
+# Install Composer dan dependensi Laravel
+RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer \
+    && composer install --no-dev --optimize-autoloader --no-interaction
+
+# Atur hak akses folder web, storage, dan cache Laravel
+RUN chown -R www-data:www-data /var/www/html \
     && chmod -R 775 /var/www/html/storage /var/www/html/bootstrap/cache
 
 # Konfigurasi Nginx