{
  description = "GitOps Playground with ArgoCD and Kind";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };

  outputs = { self, nixpkgs }:
    let
      system = "x86_64-linux";
      pkgs = nixpkgs.legacyPackages.${system};
    in
    {
      devShells.${system}.default = pkgs.mkShell {
        buildInputs = with pkgs; [
          kind
          kubectl
          argocd
          k9s
          jq
        ];

        shellHook = ''
          echo "🚀 GitOps Playground Environment Loaded"
          echo "Tools available: kind, kubectl, argocd, k9s"
          echo "Run 'make setup' to initialize the cluster."
        '';
      };
    };
}