config.php.SAMPLE

<?php
/**
 * Configurarions for migration (if any)
 */
$migrations = [
    [
        'origin' => [
            'host' => '54.94.194.111',
            'username' => 'tempx',
            'password' => 'psw',
            'port' => '27017',
            'database' => 'myoriginaldb',
            'exclude-collection' => 'system.user'
        ],
        'destination' => [
            'host' => 'mydestserver.com',
            'username' => 'username',
            'password' => 'mypass',
            'database' => 'mydb',
        ]
    ],
];


/**
 * Configuration for backup
 *
 */
$backupConfig = [
    // where backup is going to be saved
    'datadir' => __DIR__ . '/data',

    'logfile' => __DIR__  . '/log/mongodb-backup.log',

    // number of backups to be kept
    'keep_latest' => 3,

    // database server
    'origin' => [
        'host' => '54.94.222.111',
        'username' => 'myuser',
        'password' => 'pass',
        'port' => '27017',
        'database' => 'mydatabase',
        'exclude-collection' => 'system.user'
    ],

    // mongodump command
    'mongodump-command' => '/usr/bin/mongodump',
];