Enable Debug Logging

Socket.IO uses the debug package internally and exposes namespaces for diagnostic logging.

You can enable detailed logs through the DEBUG environment variable.

For example, on Linux or macOS:

```bash
DEBUG=socket.io* npm run dev
```

On Windows PowerShell:

```powershell
$env:DEBUG='socket.io*'; npm run dev
```

This can help identify connection, namespace, and server-side Socket.IO behavior.

Debug logging is useful during development but should be configured carefully in production because detailed logs can increase output volume and expose operational information.

Enable Socket.IO Debug Logs

Introduction to Socket.IO

Environment and Project Setup

Create the Express and Socket.IO Server

Connect the Browser to Socket.IO

Implement Real-Time Messaging

Master Socket.IO Events and Acknowledgements

Implement Socket.IO Rooms and Private Messaging

Socket.IO Authentication and Security

Connection Lifecycle and Reconnection

Testing and Troubleshooting

Scale Socket.IO Using Redis Adapter

Production Deployment and Best Practices

Troubleshoot Messages Not Being Received

Learn Socket.IO from scratch by building a real-time chat application with Express, rooms, private messaging, authentication, and Redis scaling.

Socket.IO with Node.js: Build a Complete Real-Time Chat Application

Enable Socket.IO Debug Logs - Socket.IO with Node.js: Build a Complete Real-Time Chat Application

Enable Socket.IO Debug Logs

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