A full guide for installing Nextcloud on TrueNAS Scale with Collabora integration and outside access through Nginx Proxy Manager

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Thank you for the latest information, it was helpful.
I have checked my domain with portchecker.co for the following ports:
80 and 443 - open
30022 and 30027 are closed

You are right, I have dynamic IP address.
Based on this: Cloudflare DDNS Setup on SCALE 24.10.2 I was able to setup a custom app on TrueNAS but it updated only mydomain and not the www, and other A records.

So this is useful but for me it updates only mydomain A record:
version: ‘3.5’
services:
cloudflare-ddns:
image: oznu/cloudflare-ddns:latest
restart: always
environment:
- API_KEY=
- ZONE=mydomain
- ZONE_ID=
- PROXIED=true
See my DNS setup on Cloudflare:

2025.04.18_15.38.10
2025.04.18_15.38.101454×792 45.7 KB

I hope this issue can be somehow sorted out.
Thank you for the advice.