At least this looks promising for finding a solution, will try this on my installation to check the result. Thanks for investigating, @outkastm.
Just edited my comment above
I tried this and the App is successfully deployed, but hangs with failed Heartbeat Check afterwards:
[app_api] Fehler: ExApp text2image_stablediffusion2 heartbeat check failed. Make sure that Nextcloud instance and ExApp can reach it other.
von ? von -- um 20.02.2026, 16:48:40