Integrate NextAuth.js with shadcn/ui

The complete guide to connecting NextAuth.js and shadcn/ui in Next.js 15.

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NextAuth.js + shadcn/ui
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Pre-configured NextAuth.js & shadcn/ui SDKs.

Secure Webhook & API Handlers (with error logging).

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AI Architecture Guide

Implementation of a type-safe bridge between Next.js 15 (utilizing React 19 features) and a PostgreSQL database using Prisma ORM. This architecture leverages Server Actions for mutations and Server Components for data fetching, ensuring minimal client-side bundles and high-performance I/O operations.

lib/integration.ts

1import { PrismaClient } from '@prisma/client';
2
3// lib/db.ts - Singleton pattern for Prisma
4const globalForPrisma = global as unknown as { prisma: PrismaClient };
5export const db = globalForPrisma.prisma || new PrismaClient();
6if (process.env.NODE_ENV !== 'production') globalForPrisma.prisma = db;
7
8// app/actions.ts
9'use server';
10import { revalidatePath } from 'next/cache';
11
12export async function createUser(formData: FormData) {
13  const email = formData.get('email') as string;
14  try {
15    await db.user.create({ data: { email } });
16    revalidatePath('/users');
17    return { success: true };
18  } catch (e) {
19    return { error: 'Database transaction failed' };
20  }
21}
22
23// app/page.tsx
24export default async function UserPage() {
25  const users = await db.user.findMany();
26  return (
27    <ul>
28      {users.map((u) => (
29        <li key={u.id}>{u.email}</li>
30      ))}
31      <form action={createUser}>
32        <input name="email" type="email" required />
33        <button type="submit">Add User</button>
34      </form>
35    </ul>
36  );
37}

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