Added dotenv component to define env vars in local file

config/autoload/database.global.php

@@ -0,0 +1,15 @@
+<?php
+return [
+
+    'database' => [
+        'driver' => 'pdo_mysql',
+        'user' => getenv('DB_USER'),
+        'password' => getenv('DB_PASSWORD'),
+        'dbname' => getenv('DB_NAME') ?: 'acelaya_url_shortener',
+        'charset' => 'utf8',
+        'driverOptions' => [
+            PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8'
+        ],
+    ],
+
+];