Enhance DB automation: Added conference export, absolute path restore logic, and automated multi-user credential resetting. Updated README and CHEATSHEET.

scripts/backup_internal.sh

@@ -11,10 +11,13 @@ echo "[$(date)] Starting Scheduled Backup..."
 
 # We use the Docker CLI inside this container to talk to the MariaDB container
 # The password is taken from the environment variable passed to this service
-docker exec ${CONTAINER_MARIADB} mariabackup --user=root --password="${AE_DB_PASSWORD}" \
+docker exec ${CONTAINER_MARIADB} mariabackup --user=root --password="${AE_DB_ROOT_PASSWORD}" \
     --backup --stream=xbstream --open-files-limit=65535 | gzip > "${BACKUP_FILE}"
 
 echo "[$(date)] Backup Complete: ${BACKUP_FILE}"
 
+# Ensure host user can manage the backup files
+chown 1000:1000 "${BACKUP_FILE}"
+
 # Optional: Clean up backups older than 7 days
 find "${BACKUP_DIR}" -name "auto_backup_*.gz" -mtime +7 -delete