---
title: "Massvai Team (@massvaiteam) | Hashnode"
description: "Notes from the Massvai team on building full-stack Next.js, Supabase and Vercel apps. Read the latest articles by Massvai Team on Hashnode."
url: "https://hashnode.com/@massvaiteam"
---

@massvaiteam

# Massvai Team

@massvaiteam · Joined October 2026

Notes from the Massvai team on building full-stack Next.js, Supabase and Vercel apps.

### [Next.js App Router: 7 Rules for cookies() and headers() Without Surprise Dynamic Routes](https://massvainotes.hashnode.dev/next-js-app-router-7-rules-for-cookies-and-headers-without-surprise-dynamic-routes?utm_source=hashnode&utm_medium=feed)

A practical guide to async cookies() and headers(), request-time rendering, caching boundaries, safe session handling, and testing App Router routes.

4 min read · [massvainotes.hashnode.dev](https://massvainotes.hashnode.dev/next-js-app-router-7-rules-for-cookies-and-headers-without-surprise-dynamic-routes?utm_source=hashnode&utm_medium=feed)

[4d ago](https://hashnode.com/posts/next-js-app-router-7-rules-for-cookies-and-headers-without-surprise-dynamic-routes/6af19331df23b79fdeaefc0d)

### [Next.js Middleware + Supabase Auth: A 9-Point Checklist Before You Ship](https://massvainotes.hashnode.dev/next-js-middleware-supabase-auth-a-9-point-checklist-before-you-ship?utm_source=hashnode&utm_medium=feed)

Shipping a Next.js app with Supabase Auth is easy until middleware, cookies, and preview URLs disagree. Use this checklist before you call an MVP "done." 1. Pick one auth cookie strategy and stick to

2 min read · [massvainotes.hashnode.dev](https://massvainotes.hashnode.dev/next-js-middleware-supabase-auth-a-9-point-checklist-before-you-ship?utm_source=hashnode&utm_medium=feed)

[Oct 31](https://hashnode.com/posts/next-js-middleware-supabase-auth-a-9-point-checklist-before-you-ship/6ae591a4cb09fd14e5e58fee)

### [Supabase RLS Checklist for AI-Built Next.js Apps](https://massvainotes.hashnode.dev/supabase-rls-checklist-for-ai-built-next-js-apps?utm_source=hashnode&utm_medium=feed)

Before you ship an AI-scaffolded SaaS, verify these Row Level Security rules so users only see their own data.

3 min read · [massvainotes.hashnode.dev](https://massvainotes.hashnode.dev/supabase-rls-checklist-for-ai-built-next-js-apps?utm_source=hashnode&utm_medium=feed)

[Oct 30](https://hashnode.com/posts/supabase-rls-checklist-for-ai-built-next-js-apps/6ae439c07baa3feacbbdd2bd)

### [Scheduled Jobs for a Next.js + Supabase App: Vercel Cron vs pg\_cron vs Edge Functions](https://massvainotes.hashnode.dev/scheduled-jobs-for-a-next-js-supabase-app-vercel-cron-vs-pg-cron-vs-edge-functions?utm_source=hashnode&utm_medium=feed)

Almost every real app needs something to run on a timer: delete expired sessions, send a daily digest, retry failed webhooks, recompute a leaderboard. If your stack is Next.js on Vercel with Supabase

5 min read · [massvainotes.hashnode.dev](https://massvainotes.hashnode.dev/scheduled-jobs-for-a-next-js-supabase-app-vercel-cron-vs-pg-cron-vs-edge-functions?utm_source=hashnode&utm_medium=feed)

[Oct 17](https://hashnode.com/posts/scheduled-jobs-for-a-next-js-supabase-app-vercel-cron-vs-pg-cron-vs-edge-functions/6ad3a0c68c53230dcaaa54f2)

### [Next.js App Router Caching with Supabase: 6 Rules to Avoid Stale (or Someone Else's) Data](https://massvainotes.hashnode.dev/next-js-app-router-caching-with-supabase-6-rules-to-avoid-stale-or-someone-else-s-data?utm_source=hashnode&utm_medium=feed)

The App Router caches aggressively, and Supabase queries are just fetch calls underneath. Put the two together without a plan and you get the classic bugs: a dashboard that shows yesterday's numbers,

4 min read · [massvainotes.hashnode.dev](https://massvainotes.hashnode.dev/next-js-app-router-caching-with-supabase-6-rules-to-avoid-stale-or-someone-else-s-data?utm_source=hashnode&utm_medium=feed)

[Oct 17](https://hashnode.com/posts/next-js-app-router-caching-with-supabase-6-rules-to-avoid-stale-or-someone-else-s-data/6ad389243d0351b2e6ac9a69)