ark/profiles/cachix/nix-community.nix

{
  nix = {
    settings.substituters = ["https://nix-community.cachix.org"];
    binaryCachePublicKeys = ["nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="];
  };
}