Litestore uses Upstash Redis for its rate limiters, its cache helpers and the locks that stop a payment from being processed twice.
Litestore keeps all store data in one PostgreSQL 15+ database and relies on it to protect money and stock.
Litestore sends every email through Resend, including the magic links that everyone uses to sign in.
The guide explains every value you set and what Litestore does with it.