Added requirements for bookstack-system-cli

Added required ZIP extension and mariadb-client package to provide
mysqldump which is required by the CLI for backing up.

Author: ssddanbrown

Dockerfile

@@ -31,6 +31,8 @@ RUN \
     php81-pecl-memcached \
     php81-phar \
     php81-tokenizer \
+    php81-zip \
+    mariadb-client \
     qt5-qtbase \
     ttf-freefont && \
   echo "**** configure php-fpm to pass env vars ****" && \

root/etc/s6-overlay/s6-rc.d/init-bookstack-config/run

@@ -3,7 +3,7 @@
 
 # create directory structure
 mkdir -p \
-    /config/www/{uploads,files,images,themes}
+    /config/www/{uploads,files,images,themes,backups}
 
 # check for .env and copy default if needed
 if [[ ! -f "/config/www/.env" ]] || [[ ! -s "/config/www/.env" ]]; then
@@ -13,6 +13,7 @@ fi
 # create symlinks
 symlinks=(
     /app/www/themes
+    /app/www/storage/backups
     /app/www/storage/uploads/files
     /app/www/storage/uploads/images
     /app/www/public/uploads