fix db backup and restore

compose.yml

@@ -3,7 +3,7 @@ version: "3.8"
 
 services:
   app:
-    image: "wordpress:6.4.0"
+    image: "wordpress:6.3.0"
     volumes:
       - "wordpress_content:/var/www/html/wp-content/"
     networks:
@@ -77,10 +77,11 @@ services:
     deploy:
       labels:
         backupbot.backup: "true"
-        backupbot.backup.pre-hook: "mariadb-dump --single-transaction -u root -p\"$$(cat /run/secrets/db_root_password)\" wordpress | gzip > /var/lib/mysql/dump.sql.gz"
+        backupbot.backup.pre-hook: "sh -c 'mariadb-dump --single-transaction -u root -p\"$$(cat /run/secrets/db_root_password)\" wordpress | gzip > /var/lib/mysql/dump.sql.gz'"
+        backupbot.backup.path: "/var/lib/mysql/dump.sql.gz"
         backupbot.backup.post-hook: "rm -f /var/lib/mysql/dump.sql.gz"
         backupbot.restore: "true"
-        backupbot.restore.post-hook: "sh -c 'mariadb -u root -p\"$$(cat /run/secrets/db_root_password)\" wordpress < /var/lib/mysql/dbdump.sql && rm -f /var/lib/mysql/dbdump.sql'"
+        backupbot.restore.post-hook: "sh -c 'gzip -d /var/lib/mysql/dump.sql.gz && mariadb -u root -p\"$$(cat /run/secrets/db_root_password)\" wordpress < /var/lib/mysql/dump.sql && rm -f /var/lib/mysql/dump.sql'"
 
 networks:
   backend: