{
  description = "A Nix-flake-based development environment for OpenStApps";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };
  outputs =
    {
      self,
      nixpkgs,
      flake-utils,
    }:
    let
      aapt2buildToolsVersion = "33.0.2";
    in
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = import nixpkgs {
          inherit system;
          config = {
            allowUnfree = true;
            android_sdk.accept_license = true;
          };
        };
        fontMin = pkgs.python311.withPackages (
          ps:
          with ps;
          [
            brotli
            fonttools
          ]
          ++ (with fonttools.optional-dependencies; [ woff ])
        );
        android = pkgs.androidenv.composeAndroidPackages {
          buildToolsVersions = [
            "30.0.3"
            aapt2buildToolsVersion
          ];
          platformVersions = [ "33" ];
        };
        androidJdk = pkgs.jdk17;
        cypress = pkgs.cypress.overrideAttrs (cyPrev: rec {
          version = "13.2.0";
          src = pkgs.fetchzip {
            url = "https://cdn.cypress.io/desktop/${version}/linux-x64/cypress.zip";
            hash = "sha256-9o0nprGcJhudS1LNm+T7Vf0Dwd1RBauYKI+w1FBQ3ZM=";
          };
        });
      in
      {
        devShell = pkgs.mkShell rec {
          buildInputs = [
            pkgs.nodejs_18
            pkgs.corepack
            # tools
            pkgs.curl
            pkgs.jq
            fontMin
            cypress
            # android
            androidJdk
            android.androidsdk
          ];
          ANDROID_JAVA_HOME = "${androidJdk.home}";
          ANDROID_SDK_ROOT = "${android.androidsdk}/libexec/android-sdk";
          GRADLE_OPTS = "-Dorg.gradle.project.android.aapt2FromMavenOverride=${ANDROID_SDK_ROOT}/build-tools/${aapt2buildToolsVersion}/aapt2";
          CYPRESS_INSTALL_BINARY = "0";
          CYPRESS_RUN_BINARY = "${cypress}/bin/Cypress";
          CHROME_BIN = pkgs.lib.getExe pkgs.chromium;
        };
      }
    );
}