JustFlows docs

Guide

Storage

Select the asset storage driver in Admin → Settings → Storage.

DriverTypical useConfiguration
Public (local)Single-server or evaluation installsEnsure public/storage points to storage/app/public and both the web and worker processes can access it.
Amazon S3Managed object storageAccess key, secret, region, bucket, and optional CloudFront CDN/signed URLs.
DigitalOcean SpacesS3-compatible object storageAccess key, secret, region, and bucket.
WasabiS3-compatible object storageAccess key, secret, region, and bucket.
MinIOSelf-hosted object storageAccess key, secret, region, bucket, and endpoint URL.
PushrObject storage with CDNAccess key, secret, bucket, endpoint, and CDN hostname.
Cloudflare R2S3-compatible edge storageAccess key, secret, bucket, region, endpoint, and custom public URL.

Create the bucket before saving the driver, limit credentials to the required bucket, and configure provider CORS rules for your production domain if browsers access objects directly. After saving, upload and read back a knowledge source or attachment.