Waiting Room for your Next.js App Using Edge Functions
Blog post from Upstash
The tutorial guides users through creating a waiting room for a Next.js application using Vercel Edge functions and Upstash Redis to manage traffic and prevent server overload. It explains setting up a project, implementing middleware to control visitor sessions, and using Redis to store active user sessions with expiration times to manage session idle timeout. The application assigns unique IDs to visitors, which are stored as cookies and in Redis, allowing the system to check for existing sessions upon subsequent visits. If the active user limit is reached, new visitors are redirected to a customizable waiting room page. Users are instructed on how to run and deploy the application locally and on Vercel, with the middleware code running at edge locations to minimize latency.
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