fix Kubernetes runtime deployment

Dockerfile

@@ -1,6 +1,6 @@
-ARG COMPOSER_IMAGE=composer:2.9.5
-ARG NODE_IMAGE=node:22-bookworm-slim
-ARG PHP_IMAGE=php:8.4-fpm-bookworm
+ARG COMPOSER_IMAGE=composer:2.9.5@sha256:698d3801b2a622ace460c4743c781282fcbcb733a4cbf8b31c44731e846585e8
+ARG NODE_IMAGE=node:22-bookworm-slim@sha256:d649c27dae7ba0137b3cef5dd75baa422c08dc3d9e3fc0c23dfb172dc3cc6436
+ARG PHP_IMAGE=php:8.4-fpm-bookworm@sha256:c5fb7a0c02f4efe280691910c8b734995fa83598cdcf3115ef5dcb2e4617681c
 
 FROM ${COMPOSER_IMAGE} AS composer_binary
 FROM ${NODE_IMAGE} AS node_binary
@@ -92,11 +92,13 @@ RUN chmod +x /usr/local/bin/kanbangit-entrypoint /usr/local/bin/php-fpm-healthch
         > /usr/local/etc/php-fpm.d/zz-kanbangit.conf \
     && mkdir -p \
         /var/www/bootstrap/cache \
+        /var/www/storage/app/public \
         /var/www/storage/framework/cache \
         /var/www/storage/framework/sessions \
         /var/www/storage/framework/testing \
         /var/www/storage/framework/views \
         /var/www/storage/logs \
+    && ln -s ../storage/app/public /var/www/public/storage \
     && chown -R www-data:www-data /var/www/bootstrap/cache /var/www/storage
 
 USER www-data