url = URI.parse("http://somewhere.com/login")
username = "my username"
password = "my password"

response = Net::HTTP.post_form(url, username: username, password: password)

$app->post('/login', function($request, $response, $args) use ($app, $authenticator) {
  $user_params = $request->getQueryParams();
  var_dump($user_params);
  echo $authenticator->login($user_params);
}); // login