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

  outputs = { nixpkgs, ... }:
    let
      system = "x86_64-linux";
      pkgs = nixpkgs.legacyPackages.${system};
    in
    {
      devShells.${system}.default = pkgs.mkShell {
        packages = with pkgs; [
          # Original packages
          httpie
          node-red
          # Rust toolchain
          rustc
          cargo
          rust-analyzer
          clippy
          rustfmt
          pkg-config
          openssl
          # MQTT
      	  mosquitto
      	  # protobuf
          protobuf
          protoc-gen-doc
    	    buf
        ];

        shellHook = ''
          echo ">>> Environment loaded with Rust & Node-red"
          cargo --version
          rustc --version
        '';
      };
    };
}