N8N Backup Flow to Nextcloud (7-Day Retention)

This workflow automates the daily backup of all your n8n workflows to a designated folder in Nextcloud. It ensures that you always have the last 7 days of backups available while automatically deleting older ones to save space. 🔧 Features Scheduled Trigger: Runs automatically once per day (can be executed manually as well). Directory Management: Creates the /N8N-Backup directory in Nextcloud if it doesn't already exist. Backup Collection: Retrieves all workflows from the n8n instance. JSON Conversion: Converts each workflow into a JSON file. Upload to Nextcloud: Saves each backup file into the specified backup directory. Retention Control: Keeps only the latest 7 backups and deletes the res

Help me set up the n8n workflow "N8N Backup Flow to Nextcloud (7-Day Retention)" (https://n8n.io/workflows/4338). It uses: Nextcloud, Code. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.