#Frontend Deployment

2 articles

Cloudflare Worker Cron Watchdog: SPOF Fix and Automatic DNS Failover for the Vercel Proxy Architecture

The third-party CNAME node pool in the optimized proxy setup is a hidden single point of failure (SPOF). This guide implements a zero-cost watchdog using Cloudflare Worker Cron Triggers: Google DoH serves as an external probe to monitor upstream health, with automatic DNS failover and recovery between the optimized CNAME and CF official IPs.

March 7, 2026

6 min read

144 views

Cloudflare Worker

+5

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Articles

Cloudflare for SaaS + Worker: Optimal IP Routing and Edge Cache Proxy for Vercel

A practical guide on using Cloudflare for SaaS combined with Workers to solve Vercel's high latency and connection reset issues in mainland China. Build a centralized Worker routing hub to achieve multi-project domain dispatch, optimized IP ingress, and edge-node static asset caching.

March 6, 2026

7 min read

116 views

Vercel Cloudflare+5

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