anchor.diff:  
   { config, pkgs, lib, ... }:
   
  -{
  +let
  +  cardano-node = import
  +    (pkgs.fetchgit {
  +      url = "https://github.com/input-output-hk/cardano-node";
  +      rev = "1.35.3";
  +      sha256 = "020fwimsm24yblr1fmnwx240wj8r3x715p89cpjgnnd8axwf32p0";
  +    })
  +    { };
  +in {
     # services.nginx.virtualHosts."hydraw.fk.ncoding.at" = {
     #   forceSSL = true;
     #   enableACME = true;
  
positive.code:   # };
  
    # using entrypoint from: https://github.com/input-output-hk/cardano-world/blob/master/nix/cardano/entrypoints.nix
    # example invocation:
    # podman run -d
    #   -v data:/data
    #   -e DATA_DIR=/data
    #   -e ENVIRONMENT=testnet
    #   -e SOCKET_PATH=/data/node.socket
    #   -e USE_SNAPSHOT=1
    #   inputoutput/1.35.3-new
    virtualisation.oci-containers.containers.cardano-node = {
      image = "inputoutput/cardano-node:1.35.3-new";
      volumes = [
  
negative.code:       USE_SNAPSHOT = "1";
      };
    };
  
    # The 1.35.3-new cardano-node image does not contain a cli, so let's add it
    # using nix instead.
    environment.systemPackages = [ cardano-node.cardano-cli ];
  }
  