{
  inputs = {
    nixpkgs.url = "nixpkgs/nixos-25.11";
  };

  outputs =
    inputs@{ flake-parts, ... }:
    flake-parts.lib.mkFlake { inherit inputs; } {
      systems = [ "x86_64-linux" ];
      perSystem =
        { pkgs, ... }:
        rec {
          devShells.default = pkgs.mkShell {
            packages = [ ];
          };
          packages =
            let
              ocamlPackages = pkgs.ocaml-ng.ocamlPackages_5_2;
            in
            rec {
              belenios = pkgs.callPackage ./belenios { inherit ocamlPackages belenios-server belenios-tool; };
              belenios-lib = pkgs.callPackage ./belenios/lib.nix {
                inherit belenios ocamlPackages belenios-platform;
              };
              belenios-tool = pkgs.callPackage ./belenios/tool.nix {
                inherit
                  belenios
                  ocamlPackages
                  belenios-lib
                  belenios-platform-native
                  ;
              };
              belenios-server = pkgs.callPackage ./belenios/server.nix {
                inherit
                  belenios
                  ocamlPackages
                  belenios-lib
                  belenios-platform-native
                  belenios-platform-js
                  ;
              };
              belenios-platform = pkgs.callPackage ./belenios/platform.nix { inherit belenios ocamlPackages; };
              belenios-platform-native = pkgs.callPackage ./belenios/platform-native.nix {
                inherit belenios ocamlPackages belenios-platform;
              };
              belenios-platform-js = pkgs.callPackage ./belenios/platform-js.nix {
                inherit belenios ocamlPackages belenios-platform;
              };
            };
        };
    };
}