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Concept / PrototypeServerlessYear: 2026

Brewnest

Artisanal Café & Workspace Portal with Lean Serverless Operations

Asynchronous reservation submission dispatched directly into a sanitized Google Sheets operational log

↳Asynchronous reservation submission dispatched directly into a sanitized Google Sheets operational log

01 / CONTEXT

What was this and who was it for?

A concept web application designed for boutique café owners who need modern digital reservation workflows and clear operational status without the ongoing overhead of cloud databases or dedicated server infrastructure.

02 / PROBLEM

What was broken, frustrating, or missing?

Small hospitality businesses often get locked into expensive monthly reservation SaaS platforms or attempt complex custom backend builds that break when staff changes occur.

03 / CONSTRAINTS

Design & Platform Boundaries

  • [1]$0 continuous operating expense.
  • [2]Must be intuitive for non-technical staff to manage reservations directly in familiar spreadsheets.
  • [3]Instant loading and battery-efficient performance on mobile devices over cellular connections.
04 / DECISION

Architectural & UX Strategy

Built a mobile-first responsive frontend connected to a Google Apps Script web endpoint that validates, sanitizes, and appends reservation payloads directly into the café manager's Google Sheet.

05 / IMPLEMENTATION

Execution Highlights

Engineered an asynchronous client-side fetch pipeline submitting structured reservation records with CSRF and spam honeypot safeguards.
Implemented a dynamic business hours and live seating capacity state indicator based on client time math and scheduled operating windows.
Constructed a cinematic hero presentation using compressed ambient loop video and CSS backdrop filters.
06 / TRADE-OFFS

What was compromised & what was gained?

  • /Accepted minor execution latency inherent in Google Apps Script cold starts (1–2s) in exchange for zero monthly infrastructure bills.
  • /Relied on client-side state checks rather than real-time WebSocket seat sensors.
07 / OUTCOME

Verifiable Outcome

A highly polished, mobile-friendly café presence that provides real business utility and operational clarity for zero monthly hosting expenditure.

08 / WHAT CHANGED IN MY THINKING
"Good engineering is about finding the leanest architecture that solves the actual human problem. A well-designed Google Sheets backend is often vastly superior to an over-engineered microservice stack for a local business."