This tutorial guides users through building a real-time chat application using Svelte and Couchbase Capella. It starts by setting up the development environment, including creating a new SvelteKit project and installing dependencies such as Tailwind CSS and the Couchbase SDK. The tutorial then explains how to set up Couchbase Capella, including creating a cluster, bucket, and database access credentials. Next, it covers building the backend using Node.js, which connects to Couchbase Capella and sets up a WebSocket server for real-time communication. Finally, it shows users how to create the frontend with Svelte, leveraging its strengths to build a responsive and dynamic chat interface. The tutorial concludes by highlighting the benefits of using Svelte and Couchbase Capella together, including ease of use, performance, and scalability.