{
  nix.settings = {
    trusted-substituters = [
      "https://nimmm.cachix.org"
    ];
    trusted-public-keys = [
      "nimmm.cachix.org-1:usYhOtylPbGmyX95Xdy2YVMOKZVBBt4pTQVAQrzw+0k="
    ];
  };
}