nixos-rp4-image/sd-image.nix

{ lib, ... }: {
  imports = [ <nixpkgs/nixos/modules/installer/sd-card/sd-image-aarch64.nix> ];

  # Add SSH key
  users.extraUsers.root.openssh.authorizedKeys.keys = [
    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFRqINHR7/zc+c3/PuR+NeSsBHXXzBiEtFWSK6QaxQTW coolneng@panacea"
  ];
  users.extraUsers.nixos = {
    isNormalUser = true;
    extraGroups = [ "wheel" ];
    openssh.authorizedKeys.keys = [
      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFRqINHR7/zc+c3/PuR+NeSsBHXXzBiEtFWSK6QaxQTW coolneng@panacea"
    ];
  };

  # Increase /boot partition size
  sdImage.firmwareSize = 256;

  # Enable SSH
  services.sshd.enable = true;
  systemd.services.sshd.wantedBy = lib.mkOverride 40 [ "multi-user.target" ];

}