Monorepo: NestJS + Next.js + Zod

A pnpm monorepo with shared Zod validation between frontend and backend.

Structure

├── apps/
│   ├── client/    # Next.js + shadcn
│   └── server/    # NestJS + TypeORM
└── packages/
    └── shared/    # Zod schemas + types

Getting Started

Make sure you have docker installed on your system. Run the following command

docker-compose up -d --build

• Client should be up at http://localhost:3000
• Server should be up at http://localhost:3001
• PgAdmin should be up at http://localhost:5051

Sign into the DB

Step 1: open http://localhost:5051 in your web browser and login using the following credentials:

 Username: admin@admin.com
  password: admin

Step 2: once the login is done, the dashboard appears with server group. Right click the server group and click Register -> Server. A popup appears.

In the General tab of the popup: in the name section insert "monorepo"

Then go to Connection tab and insert the following fields:

Hostname/Address = #retrieval given below
 Username = devuser
 password = devuserpassword

Hostname/Address :

Step 1: To retrieve the Hostname/Address, go to Docker Desktop and expand the server, click on the monorepo-postgres .

Step 2: Now click on inspect tab. In it, find NetworkSettings and in that Networks.

Step 3: In Networks section copy the address of Gateway. it will look something like 172.19.0.1 .

Now click Save, you will see the DB Dashboard.

Key Features

• Shared Validation: Zod schemas work on both frontend and backend
• Type Safety: Types inferred from schemas - single source of truth
• Swagger/OpenAPI: Auto-generated from Zod schemas
• Form Validation: react-hook-form with Zod resolver

Packages

Package	Description
@repo/shared	Zod schemas and inferred types
@repo/client	Next.js frontend with shadcn/ui
@repo/server	NestJS backend with TypeORM