Node.js and Express Tutorial: Building and Securing RESTful APIs

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Thanks sneekyjs. I run into the same issue with the latest mongo-memory server 18 and mongo 6. Here is my curated code:

const startDatabase = async () => {
    // replaced tutorial statement`const mongo = new MongoMemoryServer();`
    // to work with mongodb-memory-server version ^18.15.1
    const mongo = await MongoMemoryServer.create();

    // replaced tutorial statement `await mongo.getConnectionString();`
    // since getConnectionString was deprecated in version ^18.15.1
    const mongoDBURL = await mongo.getUri();

    // replaced tutorial statement `... await MongoClient.connect(mongoDBURL, {useNewUrlParser: true});`
    // since useNewUrlParser was deprecated in mongodb version ^6.0.0
    const connection = await MongoClient.connect(mongoDBURL);
    database = connection.db();
};