{
  config,
  pkgs,
  ...
}: {
  nix.buildMachines = [
    {
      hostName = "bolty";
      sshUser = "nix-builder";
      sshKey = "/home/cyryl/.ssh/id_ed25519";
      systems = ["i686-linux" "x86_64-linux" "aarch64-linux"];
      maxJobs = 2;
      speedFactor = 1;
      supportedFeatures = ["kvm" "big-parallel"];
      mandatoryFeatures = [];
    }
  ];

  nix.extraOptions = ''
    builders-use-substitutes = true
  '';
  nix.distributedBuilds = true;
  nix.settings.substituters = ["https://cache.nixos.org/" "ssh://nix-ssh@bolty.raptor-carp.ts.net"];
  nix.settings.trusted-public-keys = ["cyplodev-store-key:a/+PEufePs7giWqYyRqy+TgUKLMbY+RQuJQu2aUjdl8="];
}