How to Use Inter-Container Communication in Truenas 25.4.2.1

[JohniFi]

Hello there, feel free to review my approach on this problem with native TrueNAS GUI tools:

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…