{
  description = "Hello World Rust application with neofetch and banner";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, rust-overlay, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        overlays = [ (import rust-overlay) ];
        pkgs = import nixpkgs {
          inherit system overlays;
        };
        
        rustToolchain = pkgs.rust-bin.stable.latest.default.override {
          extensions = [ "rust-src" ];
        };

        # Build the Rust application
        rustApp = pkgs.rustPlatform.buildRustPackage {
          pname = "hello-world";
          version = "0.1.0";
          src = ./.;
          cargoLock = {
            lockFile = ./Cargo.lock;
          };
          nativeBuildInputs = [ rustToolchain ];
          buildInputs = [
            pkgs.xorg.libxcb
          ];
        };

        # Create a Docker image with the app and dependencies
        dockerImage = pkgs.dockerTools.buildLayeredImage {
          name = "hello-world";
          tag = "latest";
          
          contents = [
            rustApp
            pkgs.bashInteractive
            pkgs.coreutils
          ];
          
          config = {
            Cmd = [ "${rustApp}/bin/hello-world" ];
            Env = [
              "PATH=/bin"
            ];
          };
        };
        
      in
      {
        packages = {
          default = rustApp;
          app = rustApp;
          docker = dockerImage;
        };

        devShells.default = pkgs.mkShell {
          buildInputs = [
            rustToolchain
            pkgs.rust-analyzer
            pkgs.docker
            pkgs.xorg.libxcb
          ];
          
          shellHook = ''
            echo "Rust development environment loaded!"
            echo "Rust version: $(rustc --version)"
          '';
        };
      }
    );
}