{
  description = "A simple OIDC SSO service";

  outputs = {
    self,
    nixpkgs,
    systems,
  }: let
    inherit (nixpkgs) lib;
    eachSystem = f:
      lib.genAttrs (import systems) (system:
        f {
          inherit system;
          pkgs = nixpkgs.legacyPackages.${system};
          ownPkgs = self.packages.${system};
        });
  in {
    devShells = eachSystem ({pkgs, ...}: {
      default = pkgs.beam.packages.erlang_26.callPackage ./shell.nix {};
    });
    packages = eachSystem ({pkgs, ...}: {
      default = pkgs.beam.packages.erlang_26.callPackage ./default.nix {
        inherit self;
      };
    });
  };
}