You can now receive notifications when your Workers’ builds start, succeed, fail, or get cancelled using Event Subscriptions.
Workers Builds publishes events to a Queue that your Worker can read messages from, and then send notifications wherever you need — Slack, Discord, email, or any webhook endpoint.
You can deploy this Worker to your own Cloudflare account to send build notifications to Slack:
The template includes:
- Build status with Preview/Live URLs for successful deployments
- Inline error messages for failed builds
- Branch, commit hash, and author name
For setup instructions, refer to the template README or the Event Subscriptions documentation.
Source: Cloudflare
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