What should I do if I deleted the /boot partition and now I can't start the system?

Help
1

I cleaned the /boot partition because I had an error with lack of memory during nixos-rebuild switch, it happened before and cleaning the partition and then rebuild the system with flag --install-bootloader helped, this time the error did not disappear, and after an accidental shutdown now nothing will start

2

Did you delete everything or did you just delete the images? I had the same issue but only deleted the images and was able to but from a stick and recover them from the nix store.

3

I deleted everything, but after nixos-rebuild switch -- nstall-bootloader` the grub, kernels and theme folders and the files background.png, converted-font.pf2 appeared

4

I booted from iso and chroot using nixos-enter