- Use internal Nexus repositories for APT and PyPI
- Add proxy configuration with internal IP ranges
- Install CA certificates and signing keys from internal server
- Create users ctc (uid 1445) and rme (uid 1001)
- Maintain Qt6 installation via aqtinstall with Python venv
- Add Qt6 SVG support via libqt6svg6-dev
- Configure runtime mount points for ArcGIS and RTI
- Follow Ubuntu 26.04 standards from reference Dockerfile
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Entire-Checkpoint: 01M6PC9GY7GJ86XMK0F4J1PDVW