nextjsadvanced6 hr est.

Next.js CRM Dashboard Project

Build a Full-Stack CRM Dashboard using Next.js 14 App Router, Server Actions, Tailwind CSS, and a PostgreSQL database. Perfect for your portfolio.

Editorial note

Written by TechIdea Curriculum Team

TechIdea Curriculum Team

Our engineers and educators design these projects to simulate real-world tasks and prepare you for technical interviews.

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Last updated: 2026-06-05

Before You Begin

1
Next.js App Router
2
React Server Components
3
Tailwind CSS
4
Basic SQL

Project Architecture

Folder Structure

crm-dashboard/
├── app/
│   ├── (dashboard)/
│   │   ├── layout.tsx
│   │   ├── page.tsx
│   │   └── customers/page.tsx
│   ├── api/
│   └── layout.tsx
└── lib/
    ├── db.ts
    └── actions.ts

Data Flow

[Client Component] ➔ [Server Action] ➔ [Prisma/Drizzle] ➔ [PostgreSQL Database] ➔ [Revalidate Path] ➔ [UI Updates]

Source Code Breakdown & Implementation

### Step 1: Project Setup Run `npx create-next-app@latest` and install your ORM of choice (like Prisma).

### Step 2: Database Schema Define the Customer and Deal models. Run database migrations.

### Step 3: Server Actions Write a `createCustomer` action in `lib/actions.ts` that inserts into the DB and calls `revalidatePath('/customers')`.

### Step 4: Error Handling Use `error.tsx` boundaries to catch database connection failures gracefully.

Real-World Application

Business Use Case

A CRM is the backbone of any sales agency. Building this proves you can handle relational data, authentication, and state management—the three pillars of enterprise SaaS.

Database Design

PostgreSQL (Customers table, Deals table, Users table).

API Integration

Internal Next.js Server Actions.

Deployment Guide

Deploy seamlessly on Vercel with a Neon or Supabase PostgreSQL database.

Complete Solution Code

Compare your approach

Testing Checklist

• Verify that creating a customer updates the list immediately without a hard refresh.
• Test mobile responsiveness of the sidebar.

Common Bugs

Bug: Server action throws "Cannot read property of undefined".
Fix: Ensure you add 'use server' at the top of the actions file.