Sample Boxfile (for a laravel application) and example of using DB credentials in the app

Boxfile

web1:
  document_root: public
  php_version: 5.4.14
  php_upload_max_filesize: "10M"
  php_post_max_size: "10M"
  php_extensions:
    - mbstring
    - mcrypt
    - curl
    - gd
    - pdo_mysql
    - redis
    - zip
    - xcache
  php_session_save_handler: redis
  php_session_save_path: "tcp://tunnel.pagodabox.com:6379"
  shared_writable_dirs:
    - app/storage/cache
    - app/storage/logs
    - app/storage/meta
    - app/storage/sessions
    - app/storage/views
    # if you users can upload to uploads folder
    # - /public/uploads 
  after_build:
    - "if [ ! -f composer.phar ]; then curl -s http://getcomposer.org/installer | php; fi; php composer.phar install --prefer-source"
  after_deploy:
    - "rm -f app/storage/cache/*"
    - "php artisan cache:clear"
    - "rm -f app/storage/views/*"
  before_deploy:
    # if you need to run migrations
    # - "php artisan migrate"
cache1:
  type: redis
db1:
  type: mysql

config.php

'mysql' => array(
	'driver'    => 'mysql',
	'host'      => isset($_SERVER['DB1_HOST']) ? $_SERVER['DB1_HOST'] : 'localhost',
	'database'  => isset($_SERVER['DB1_NAME']) ? $_SERVER['DB1_NAME'] : 'my-app',
	'username'  => isset($_SERVER['DB1_USER']) ? $_SERVER['DB1_USER'] : 'notroot',
	'password'  => isset($_SERVER['DB1_PASS']) ? $_SERVER['DB1_PASS'] : 'notroot',
	'charset'   => 'utf8',
	'collation' => 'utf8_unicode_ci',
	'prefix'    => '',
),