If you want, I can:

This guide assumes "HARP" refers to a Linux server/environment (e.g., a host named HARP). If you meant a different HARP (Harp static site server, HARP stack, or a hosting provider), tell me and I’ll adapt.

to delete data volumes) and reinstall them. They will automatically deploy via HaRP. Remove DSP once all apps are successfully migrated. Docker Compose example for a production-ready HaRP and Nextcloud setup? Docker Deploy Daemon (HaRP) - Nextcloud Documentation

(HaRP is the recommended standard for these versions). Docker and Docker Compose installed on your host. Administrative access to your Nextcloud instance. The AppAPI app installed from the Nextcloud App Store. 2. Deploying the HaRP Container

If you are upgrading an existing installation that uses the old Docker Socket Proxy: Install HaRP on the same engine.