How to override the default boot.cfg/menu.ipxe?

[diktamxx]

I'm not very familiar with IPXE, but I would like to use the simplest menu for installing Proxmox (without any other content).

It was found that the system failed to start normally after mounting the boot.cfg file.

docker-compose.yaml

  volumes:
    - ./config/boot.cfg:/config/menus/boot.cfg:ro

pxe-server  | dnsmasq-tftp[67]: TFTP root is /config/menus secure mode single port mode
pxe-server  | 2026-01-14 06:53:59,597 WARN exited: webapp (exit status 1; not expected)
pxe-server  | 2026-01-14 06:54:00,599 INFO success: nginx entered RUNNING state, process has stayed up for > than 1 seconds (startsecs)
pxe-server  | 2026-01-14 06:54:00,599 INFO success: dnsmasq entered RUNNING state, process has stayed up for > than 1 seconds (startsecs)
pxe-server  | 2026-01-14 06:54:00,603 INFO spawned: 'webapp' with pid 79
pxe-server  | 2026-01-14 06:54:00,992 WARN exited: webapp (exit status 1; not expected)
pxe-server  | 2026-01-14 06:54:03,000 INFO spawned: 'webapp' with pid 86
pxe-server  | 2026-01-14 06:54:03,346 WARN exited: webapp (exit status 1; not expected)
pxe-server  | 2026-01-14 06:54:06,353 INFO spawned: 'webapp' with pid 100
pxe-server  | 2026-01-14 06:54:06,762 WARN exited: webapp (exit status 1; not expected)
pxe-server  | 2026-01-14 06:54:07,765 INFO gave up: webapp entered FATAL state, too many start retries too quickly