Writing an API at the Edge with Workers and Cloud Firestore

What this post added

This post details the development of a system using Cloudflare Workers and Cloud Firestore to handle subdomain reservations for the upcoming Workers.dev launch. It outlines the requirements, user flow, and design choices, emphasizing the use of Workers for ephemeral, independent services and Cloud Firestore for immediate consistency to prevent double reservations. The post also covers the implementation details of authenticating Workers to Cloud Firestore using JWTs generated from service account credentials.