yarn add @accounts/mongo

import AccountsServer from '@accounts/server';
import MongoDBInterface from '@accounts/mongo';

// If you are using mongoose
mongoose.connect(process.env.MONGO_URL);
const db = mongoose.connection;

// If you are using mongodb
const db =  await mongodb.MongoClient.connect(process.env.MONGO_URL);

AccountsServer.config({
}, new MongoDBInterface(db));