How to add email verification to a Next.js SaaS -- a signed JWT link sent via Resend on signup, a verify endpoint that marks the user confirmed in Drizzle ORM, and a service-layer guard that blocks unverified users from protected actions.
How to implement GDPR right to erasure and data portability in a Next.js SaaS -- a self-service account deletion endpoint, cascading Drizzle ORM deletes, a data export download, and a confirmation gate so users cannot accidentally delete their account.
How to build a persistent onboarding checklist for a Next.js SaaS -- a Drizzle ORM schema that tracks which steps each user has completed, a service that marks steps done atomically, and a server component that renders progress on first load without a spinner.
How to add TOTP-based two-factor authentication to a Next.js SaaS with Drizzle ORM -- generating secrets, rendering QR codes, validating codes at login, and issuing backup codes so users never get locked out.
How to add role-based access control to a Next.js SaaS with Drizzle ORM -- a role enum on the user, a requireRole() helper in the service layer, and route guards that fail fast without leaking data.
How to build an in-app notification system in a Next.js SaaS with Drizzle ORM -- a schema that supports any event type, an unread count badge that polls without a WebSocket server, and a mark-as-read endpoint your frontend can call from anywhere.