Category
Tutorial
Posts: 4
Building a $0 Multi-Language Newsletter System: Cloudflare Workers, D1, Resend & HMAC Auth
A complete guide to building a production-ready, multi-language newsletter with anti-spam, HMAC-signed unsubscribe links, and automatic subscriber welcome emails using Cloudflare's free-tier stack.
The Ultimate Fix: Migrating Next.js 15 from Cloudflare Pages to Workers with OpenNext
A comprehensive guide to resolving Cloudflare Pages deployment errors for Next.js 15 apps by seamlessly migrating to Cloudflare Workers using OpenNext. Say goodbye to 'Invalid prerender config'.
$0 Multilingual Speech Recognition in Your Chatbot with Cloudflare Whisper
A complete guide to integrating Cloudflare Workers AI Whisper large-v3-turbo into a Next.js chatbot for free multilingual speech-to-text — including a deep-dive comparison of Whisper Base vs Turbo, two production bugs I hit, and how I fixed them.
How to Build a $0 Cost Agentic RAG AI Assistant from Scratch using Cloudflare
A complete step-by-step guide to building a stateful, latency-free Agentic Retrieval-Augmented Generation (RAG) assistant using Cloudflare Workers, Vectorize, and D1—all within the free tier.
