Heroku

First, add the addon:

heroku addons:create rollbar:trial-5k

The access_token and root config variables will be automatically detected, so the config is simply:

<?php
use Rollbar\Rollbar;
  
Rollbar::init(array(
    'environment' => 'production'
));    

📘

For more information on rollbar-php, please see the docs here.