TrueNAS SCALE 25.10 - Inter-App Communication

[JohniFi]

If you are still trying this, here you find my approach for a similar problem:

Inter-container networking for apps

Hello there. I struggled with a similar problem and I think, I found a solution on how to enable inter-container communication with TrueNAS native apps (no custom yaml needed) to connect e.g. to the Nginx Proxy Manager App. Optionally: In the App config (e.g. immich, paperless-ngx etc.) set Port Bind Mode to “Expose port for inter-container communication”. Than only TrueNAS containers can connect to this app. All other LAN clients (PCs, smartphones etc.) will have to use the reverse proxy. O…

Would be nice if that were better documented in the official docs tho.