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

  outputs =
    {
      nixpkgs,
      ...
    }:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs {
        inherit system;
        config = {
          allowUnfree = true;
        };
      };
    in
    {
      devShells."${system}".default = pkgs.mkShell {
        packages = [
          pkgs.jetbrains.idea-ultimate
          pkgs.jdk21
        ];
      };
    };
}