cc-monitor-worker

## Cloudflare Workers Monitoring Setup Guide

To monitor your website's performance using Cloudflare Workers and Workers Analytics Engine, follow these steps:

### 1. Set Up Workers Analytics Engine

1. Log in to your Cloudflare dashboard.
2. Navigate to the Workers & Pages section.
3. Select Analytics Engine from the left-hand menu.
4. Click on 'Create Dataset' and follow the prompts to configure your data collection.

### 2. Integrate Monitoring Code

Add the following code to your Worker script to track the specified metrics:
```javascript
addEventListener('fetch', event => {
  event.respondWith(handleRequest(event.request))
})

async function handleRequest(request) {
  const url = new URL(request.url)
  const response = await fetch(request)
  const analytics = {
    status: response.status,
    latency: Date.now() - request.timeStart,
    size: response.headers.get('content-length')
  }
  // Send analytics data to Workers Analytics Engine
  // Add your specific monitoring logic here
  return response
}
```

### 3. Configure Alerts

1. In the Cloudflare dashboard, go to Workers Analytics Engine.
2. Select your dataset and click on 'Alerts'.
3. Create a new alert for each metric you want to monitor.
4. Set the threshold values for each alert.
5. Configure the notification preferences to receive alerts via email or other channels.

### 4. Test and Deploy

1. Test your Worker script in the Cloudflare Workers playground.
2. Deploy your Worker to the Cloudflare network.
3. Monitor the analytics data and alerts to ensure everything is working as expected.