{
  nix.settings = {
    substituters = [
      "https://aciceri-fleet.cachix.org"
    ];
    trusted-public-keys = [
      "aciceri-fleet.cachix.org-1:WiHJIK4UFTdfvWx0lG3mCR4EddyYsRhIuMGSje3/YGI="
    ];
  };
}