{ ... }:
{

  networking = {

    # If you prefer DHCP
    # interfaces.eth0.useDHCP = true;

    # We don't use DHCP, so we configure it statically.
    interfaces.eth0.ipv4.addresses = [{
      address = "10.42.135.101";
      prefixLength = 24;
    }];

    # We can access the internet through this interface.
    defaultGateway = {
      address = "10.42.135.1";
      interface = "eth0";
    };

    # Since we don't use DHCP, we need to set our own nameservers.
    nameservers = [ "1.1.1.1" "1.0.0.1" ];

  };

}