{
  description = "Rust Project Template";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs?ref=nixos-unstable";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = {
    self,
    nixpkgs,
    rust-overlay,
  }: let
    systems = ["x86_64-linux" "aarch64-linux"];
    forEachSystem = nixpkgs.lib.genAttrs systems;
    pkgsForEach = nixpkgs.legacyPackages;
  in {
    packages = forEachSystem (system: let
      pkgs = pkgsForEach.${system};
    in {
      mercant = pkgs.callPackage ./nix/packages/mercant.nix {};
      webview-sdk = pkgs.callPackage ./nix/packages/webview.nix {};
    });

    devShells = forEachSystem (system: let
      pkgs = nixpkgs.legacyPackages.${system}.extend rust-overlay.overlays.default;
    in {
      default = pkgs.callPackage ./nix/shell.nix {};
    });

    hydraJobs = self.packages;
  };
}