From Idea to Audio: Building the podcast-it Cloudflare Worker
Published ❘ Updated
Production-Ready Gen AI: Evals, Tests, and podcast-it
How I hardened podcast-it for production using LLM evals with Promptfoo and fast unit tests with Vitest—turning flaky prompts into reliably generated episodes.
How I built podcast-it: a Cloudflare Worker that turns blog posts into playable podcast episodes using OpenAI, R2, and D1 — from idea to working prototype, with lessons learned along the way. 
From Prototype to Production: How Promptfoo and Vitest Made podcast-it Reliable
PublishedDiscover how LLM evals with Promptfoo and fast testing with Vitest helped turn podcast-it from a prototype into a production-ready generative AI app that generates consistent, high-quality audio episodes.