{
  description = "Python Flask environment with SQLite support";

  inputs = {
    nixpkgs.url = "github:nixpkgs/nixos-unstable";
    utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, utils }:
    utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system; };
      in
      {
        devShells.default = pkgs.mkShell {
          buildInputs = [
            pkgs.sqlite-interactive
            (pkgs.python3.withPackages (ps: [ ps.flask ]))
          ];

          shellHook = ''
            echo "--- Flask + SQLite Environment ---"
            echo "To view logs: sqlite3 logs.db 'SELECT * FROM post_logs;'"
          '';
        };
      }
    );
}