{
  inputs = {
    nixpkgs.url = "github:malte-v/nixpkgs/raspi3";
    flake-utils.url = "github:numtide/flake-utils";
  };
  outputs =
    {
      self,
      nixpkgs,
      flake-utils,
    }:
    flake-utils.lib.eachDefaultSystem (system: rec {
      overlays.default =
        final: prev:
        let
          sshPassword = "1234";
          sshPort = 43922;
          httpPort = 43980;

          server = final.callPackage ./server.nix {
            inherit sshPassword sshPort httpPort;
          };
          client = final.callPackage ./client.nix {
            inherit sshPassword sshPort httpPort;
          };

          reMder = final.symlinkJoin {
            name = "reMder";
            paths = [
              client
              server
            ];
          };
        in
        {
          inherit reMder;
        };

      packages.default =
        let
          pkgs = import nixpkgs {
            inherit system;
            overlays = [ overlays.default ];
          };
        in
        pkgs.reMder;
    });
}