Overview
A friend of mine wanted to start her own business, and reached out to me for help setting up a website. Leveraging claude code and gsd, I built this from scratch in about 30 minutes. Another 30 minutes of back and forth with Nancy, and we were finalized, including the purchase of a new domain. and deployment through cloudflare, and email capture through Resend.
Quintessential Concierge is a serverless contact form service built for a concierge business. The entire backend is a single Cloudflare Worker that accepts form submissions, validates input, escapes HTML for security, and sends styled email notifications via Resend. No database, no framework, no server — just clean form-to-email delivery at the edge.
The project demonstrates how a focused microservice can solve a real business need with minimal infrastructure. Built in about an hour with Claude Code, it handles the business’s primary customer intake channel with reliability and zero ongoing maintenance cost.
Tech Stack
- Cloudflare Workers — Hosts the REST API endpoint that processes form submissions. Handles CORS headers, input validation, and request routing at the edge with no cold starts.
- Resend — Transactional email delivery service sends styled HTML notifications to the business owner when new contact form submissions arrive. Reliable delivery with bounce handling.
- JavaScript — Vanilla JavaScript Worker script with no build step or dependencies. HTML email templates are constructed inline with template literals.
Highlights
- Zero-infrastructure backend — No database, no framework, no build pipeline. A single Worker script handles the entire contact form flow from submission to email delivery.
- Styled HTML email templates — Business owner receives professionally formatted email notifications with all form fields laid out clearly, not plain-text dumps.
- Security-first input handling — All user input is HTML-escaped before inclusion in email templates, preventing injection attacks through the contact form.
- Built in about an hour — Demonstrates rapid delivery of production-ready microservices using Claude Code and Cloudflare’s edge platform