let
  pkgs = import <nixpkgs> {};
in
  pkgs.mkShell {
    name = "matrix-shell";
    buildInputs = with pkgs; [
        yarn
        docker
        act
        gtk2
        gtk3
        rPackages.gbm
        libnotify
        gnome2.GConf 
        nss
        xorg.libXScrnSaver
        alsa-lib
        xorg.xorgserver
        xorg.libXtst
        xorg.xauth
        xvfb-run
        stdenv.cc.cc zlib glib dbus gtk3 atk pango freetype
        fontconfig gdk-pixbuf cairo cups expat libgpg-error alsa-lib nspr nss
        xorg.libXrender xorg.libX11 xorg.libXext xorg.libXdamage xorg.libXtst
        xorg.libXcomposite xorg.libXi xorg.libXfixes xorg.libXrandr
        xorg.libXcursor xorg.libxkbfile xorg.libXScrnSaver libcap systemd libnotify
        xorg.libxcb libsecret libuuid at-spi2-atk at-spi2-core libdbusmenu
        libdrm
        mesa # required for libgbm
        cypress
        #(import ~/cypress.nix { inherit pkgs; })
    ];
  }