Documents the Tailscale container setup on MikroTik hAP ax³:
- Userspace networking mode (TS_USERSPACE=true) required for RouterOS containers
- Container network configuration (172.17.0.0/24)
- NAT masquerade for internet access
- Environment variables and mount configuration
- Troubleshooting guide for common issues
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>