This tutorial provides a step-by-step guide for integrating Couchbase with Node.js to create a basic JavaScript application, aimed at users with some knowledge of JavaScript and NoSQL databases. It begins with setting up Couchbase Server or signing up for Couchbase Cloud, followed by installing Node.js and initializing a project with npm. The tutorial details adding the Couchbase Node.js module, connecting to a Couchbase cluster, and performing basic operations such as retrieving a JSON document from the 'travel-sample' Bucket using key-value operations. Additionally, it covers creating or updating a document with the upsert function, ensuring users have the necessary write privileges. The article concludes with an invitation to explore more advanced topics like asynchronous functions and other Couchbase capabilities in future posts, encouraging readers to consult the Node.js SDK documentation for further examples.