What are Durable Objects?

Watch this episode

In this video, we show how Durable Objects work and start building a video call app together.

Related content

For additional resources on learning Durable Objects with Cloudflare, refer to the following resources:

• Veet Github repository code ↗
• Cloudflare Durable Objects documentation
• Cloudflare TURN service documentation
• CLI command for creating new Workers and Pages projects
• Hopscotch.io for local WebSocket testing ↗
• Sign up for a Cloudflare account ↗

Series overview

Watch Episode 1: Introduction to the series We present an overview of the series, discuss its underlying architecture, and access resources to set up the project locally.

Watch Episode 2: What are Durable Objects? We show how Durable Objects work and start building a video call app together.

Watch Episode 3: Create a serverless websocket 'backend' We create a WebSocket backend using serverless technology, making the process simpler than ever before.

Watch Episode 4: Real-time messaging with WebSockets We learn how to route and broadcast incoming messages from WebSocket connections and implement error handling such as closed WebSocket connections.

Watch Episode 5: Build the app frontend and UI We configure the frontend starter code, connect to Durable Objects using a call room ID, and display a local video preview.

Watch Episode 6: Make and answer WebRTC calls We expand the frontend functionality by adding functionality for making and answering WebRTC video calls.

Watch Episode 7: Deploy your video call app In this final episode, we configure the remaining functionalities. By the end, your app will be fully functional and ready for deployment.