What’s the Big Idea?

Building web apps with separate frontends, backends, and databases can be a headache. A monorepo puts everything in one place, making it easier to share code, develop locally, and test the whole app together. We showed how to build a simple signup dashboard using React, Node.js, PostgreSQL (with Prisma for easy database access), and optionally ClickHouse for fast data analysis, all within a monorepo structure. This setup helps you scale your app cleanly and makes life easier for your team.

In this guide, we’re going to build a super simple app that shows how many people sign up each day. We’ll use: