Portfolio project

A multi-tenant storefront platform

This is a Shopify-for-X demo: one backend serves many independent stores, each at their own subdomain. Merchants manage products, orders, and customers from a shared dashboard; shoppers browse and check out on the per-store frontend you're visiting below.

Live stores

3 stores

acme-corp
acme corp
Visit acme-corp.shop.demetrioq.com →
acme
acme corp
Visit acme.shop.demetrioq.com →
platform
Platform
Visit platform.shop.demetrioq.com →

Tech stack

Backend: .NET 9, ASP.NET Core, Clean Architecture, MediatR, EF Core + Postgres
Storefront: Next.js 16 App Router, TypeScript, Tailwind v4, SSR
Auth: JWT (merchant + customer) with refresh-cookie rotation
Payments: Stripe hosted checkout + simulation provider
Routing: Subdomain-based tenant resolution via Next.js proxy middleware
Hosting: Oracle Cloud ARM VM · Caddy · Docker

Source on GitHub