// **snip***
} else {
  mongo = {
    db:       'db',
    host:     'localhost',
    password: 'pass',
    port:     27017,
    url:      '"mongodb://localhost:27017/db',
    username: 'admin',
    ssl: true                                   // <<<--------------Add this....
  };
}

// **snip***

mongodb: {
    server: process.env.ME_CONFIG_MONGODB_SERVER  || mongo.host,
    port:   process.env.ME_CONFIG_MONGODB_PORT    || mongo.port,

	  //use SSL?
	  useSSL: process.env.ME_CONFIG_MONGODB_SSL || mongo.ssl,            // <<<----------Add this

	  //autoReconnect: automatically reconnect if connection is lost
    autoReconnect: true,

// **snip***