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Version: v4


To use this Adapter, you need to install Prisma Client, Prisma CLI, and the separate @next-auth/prisma-adapter package:


When using the NextAuth v4 beta, please make sure to use the next tagged version of your adapter. For more info on adapter changes, see the migration docs

npm install next-auth@beta @prisma/client @next-auth/prisma-adapter@nextnpm install prisma --save-dev

Configure your NextAuth.js to use the Prisma Adapter:

import NextAuth from "next-auth"import GoogleProvider from "next-auth/providers/google"import { PrismaAdapter } from "@next-auth/prisma-adapter"import { PrismaClient } from "@prisma/client"
const prisma = new PrismaClient()
export default NextAuth({  adapter: PrismaAdapter(prisma),  providers: [    GoogleProvider({      clientId: process.env.GOOGLE_CLIENT_ID,      clientSecret: process.env.GOOGLE_CLIENT_SECRET,    }),  ],})

Schema for the Prisma Adapter (@next-auth/prisma-adapter)


Create the Prisma schema#

You need to use at least Prisma 2.26.0. Create a schema file in prisma/schema.prisma similar to this one:

datasource db {  provider = "postgresql"  url      = env("DATABASE_URL")}
generator client {  provider        = "prisma-client-js"  previewFeatures = ["referentialActions"] // You won't need this in Prisma 3.X or higher.}
model Account {  id                 String  @id @default(cuid())  userId             String  type               String  provider           String  providerAccountId  String  refresh_token      String?  access_token       String?  expires_at         Int?  token_type         String?  scope              String?  id_token           String?  session_state      String?  oauth_token_secret String?  oauth_token        String?
  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
  @@unique([provider, providerAccountId])}
model Session {  id           String   @id @default(cuid())  sessionToken String   @unique  userId       String  expires      DateTime  user         User     @relation(fields: [userId], references: [id], onDelete: Cascade)}
model User {  id            String    @id @default(cuid())  name          String?  email         String?   @unique  emailVerified DateTime?  image         String?  accounts      Account[]  sessions      Session[]}
model VerificationToken {  identifier String  token      String   @unique  expires    DateTime
  @@unique([identifier, token])}

Create the database schema with Prisma Migrate#

npx prisma migrate dev

This will create an SQL migration file and execute it.

Note that you will need to specify your database connection string in the environment variable DATABASE_URL. You can do this by setting it in a .env file at the root of your project.

To learn more about Prisma Migrate, check out the Migrate docs.

Generate Client#

Once you have saved your schema, use the Prisma CLI to generate the Prisma Client:

npx prisma generate

To configure you database to use the new schema (i.e. create tables and columns) use the prisma migrate command:

npx prisma migrate dev