Startup Issue with Euro Truck Simulator 2 - Server stalls, main server port not listening

System Information

Field Value
Operating System Linux - Debian GNU/Linux 12 on x86_64
Product AMP ‘Phobos’ v2.6.2.2 (Mainline)
Virtualization Docker
Application Euro Truck Simulator 2
Module GenericModule
Running in Container Yes
Current State Ready

Problem Description

Issue

trying to set up a ETS2 server, I followed the guide, set everything up as it said I should, but when launching the server, it goes fine until the final line and stalls. the line is:
SteamInternal_SetMinidumpSteamID: Caching Steam ID: {my steam ID} [API loaded no]

in status, Main server port shows as not listening

Reproduction Steps

  • Set up instance
  • Follow the guide from start to end
  • Start server