nix/nixos/common/modules/remote-builders.nix

{
    # Allows 'root' to ssh for remote builds
    users.users.root.openssh.authorizedKeys.keyFiles = [ ../../../keys/ssh/keys.txt ];

    nix.buildMachines = [
        {
            hostName = "nixos-vm-01"; # Only availalbe on the Headscale network
            sshUser = "albert";
            protocol = "ssh-ng";
            maxJobs = 4;
            speedFactor = 2;
            systems = [ "x86_64-linux" "aarch64-linux" ];
            supportedFeatures = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
            mandatoryFeatures = [ ];
        }
    ];
    nix.distributedBuilds = true;
    nix.extraOptions = ''builders-use-substitutes = true'';
}