Paperless-ngx Backup with rclone

paperless-ngx-backup.sh

#!/bin/bash
# Configure with "rclone config" before using this!

#-------------------------------------------------------
# Number of backups 
MAX_BACKUPS=30
# Backup to GoogleDrive, name the folder "paperless-ngx"
REMOTE_PATH="GoogleDrive:paperless-ngx"
# Docker container name of paperless-ngx
CONTAINER="paperless-ngx"
# Host path to paperless-ngx files
PAPERLESS_HOST_PATH="/mnt/user/appdata/paperless-ngx"
# Timestamp for backup name
TIMESTAMP=$(date +%Y%m%d)
#-------------------------------------------------------

cd $PAPERLESS_HOST_PATH

# Create backup
docker exec $CONTAINER document_exporter ../export -f -d
zip -r paperless-ngx_export_$TIMESTAMP.zip export

# Upload
rclone copy paperless-ngx_export_$TIMESTAMP.zip "$REMOTE_PATH"
echo "Backup: paperless-ngx_export_$TIMESTAMP.zip"

# Delete old backups
rclone lsf "$REMOTE_PATH" --files-only | grep "^paperless-ngx_export_" | sort | head -n -$MAX_BACKUPS | while read file; do
    rclone delete "$REMOTE_PATH/$file"
    echo "Delete: $REMOTE_PATH/$file"
done

# Clean export folder
rm -r $PAPERLESS_HOST_PATH/export/*