x2crm 5.0.4 main.php config file with rollbar, Dotenv, and composer autoload

main.php

<?php
// This file is to contain custom modifications to the $config array returned by
// protected/config/main.php via protected/config/web.php to construct the web
// application.
// this file is custom/protected/config/web.php

// this is for php composer integration
require_once dirname(__FILE__)."/../../../vendor/autoload.php";

// Use this to automagically load our .env file into the env for development environments
if (file_exists(dirname(__FILE__)."/../../../.env")) {
    $dotenv = new Dotenv\Dotenv(dirname(__FILE__)."/../../../");
    $dotenv->load();
}

// on production, staging, dev environments
$host = getenv ( 'MYSQL_HOST' );
$user = getenv ( 'MYSQL_USER' );
$pass = getenv ( 'MYSQL_PASSWORD' );
$dbname = getenv ( 'MYSQL_DBNAME' );
$config['components']['db']['connectionString'] = "mysql:host=$host;dbname=$dbname";
$config['components']['db']['username'] = $user;
$config['components']['db']['password'] = $pass;
$config['params']['adminEmail'] = $email; // I don't remember if this is needed or if this is some of our custom stuff.

//
//
// we use rollbar.com for errors on production 
//  Everything below this point is for rollbar.
//
$config['preload'] = array('log', 'rollbar');
$config['components']['rollbar'] = array(
    'class' => 'webroot.vendor.baibaratsky.yii-rollbar.RollbarComponent', // adjust path if needed
    'accessToken' => 'toeknGoesHere',
    'environment'=> (isset($_SERVER['HTTP_HOST']) ? "" : "cliz-"). getenv ( 'ocaservertype' ), //ocaservertype is so we can identify the differences between environments in rollbar
    'branch' => 'testing',
);
$config['components']['errorHandler'] = array(
    'class' => 'webroot.vendor.baibaratsky.yii-rollbar.RollbarErrorHandler',
    // ...
);
$config['components']['log']['routes'] =array(
    array(
        'class' => 'webroot.vendor.baibaratsky.yii-rollbar.RollbarLogRoute',
        'levels' => 'error, warning',
        // You may specify the name of the Rollbar Yii Component ('rollbar' by default)
        'rollbarComponentName' => 'rollbar',
    ),
);
?>