Mastering Express.js Serverless Deployment: Cloudflare Workers & Vercel Guide 2025

A Complete Guide to Deploying Express.js on Cloudflare Workers and Vercel Deploying a Node.js/Express.js application on serverless platforms like Cloudflare Workers and Vercel can dramatically simplify infrastructure management and improve global performance. However, each environment has its own constraints and pitfalls. In this guide, we’ll translate and adapt proven best practices—originally documented in Chinese—into clear, SEO-optimized English content. You’ll learn: How to prepare and configure your Express.js code How to deploy seamlessly on Cloudflare Workers using Wrangler How to deploy on Vercel with zero configuration How to troubleshoot the most common runtime errors FAQs and JSON-LD schema for enhanced Google …