brew install mongodb
sudo apt-get update
sudo apt-get install mongodb
mongod
When setting up your droplet, create a database using a MongoDriver instance and pass it into the Droplet intializer.
let mongo = try MongoDriver(
database: "test",
user: "user1",
password: "pswd1",
host: "localhost",
port: 27017
)
let db = Database(mongo)
let drop = Droplet(database: db)