panacea/cachix/nix-community.nix

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