{
  lib,
  mkYarnPackage,
  fetchFromGitHub,
  fetchYarnDeps,
  makeWrapper,
  nodejs,
}:

mkYarnPackage rec {
  pname = "alertmanager-hookshot-adapter";
  version = "1.9.1";

  src = fetchFromGitHub {
    owner = "hm-edu";
    repo = "alertmanager-hookshot-adapter";
    rev = "v${version}";
    hash = "sha256-KTk70zFA1tymmR8AYrAl2XIyA+SPs5Uksd6Z3kvUb+o=";
  };

  packageJSON = ./package.json;

  offlineCache = fetchYarnDeps {
    yarnLock = "${src}/yarn.lock";
    hash = "sha256-LU25cXB+0DdcHRzKQ1hjQIVntarqPOUXZTgcw6lvLRM=";
  };

  buildPhase = ''
    yarn build
  '';

  nativeBuildInputs = [ makeWrapper ];

  postInstall = ''
    makeWrapper ${lib.getExe nodejs} $out/bin/alertmanager-hookshot-adapter \
      --add-flags $out/libexec/alertmanager-hookshot-adapter/deps/alertmanager-hookshot-adapter/dist/index.js
  '';

  meta.mainProgram = "alertmanager-hookshot-adapter";
}