NextAuth

datasource db {
  provider     = "mysql"
  url          = env("DATABASE_URL")
  relationMode = "prisma"
}

generator client {
  provider = "prisma-client-js"
}

model User {
  id            String           @id @default(cuid())
  name          String?
  email         String?          @unique
  emailVerified DateTime?
  image         String?
  accounts      Account[]
  sessions      Session[]

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

model Account {
  id                String  @id @default(cuid())
  userId            String
  type              String
  provider          String
  providerAccountId String
  refresh_token     String? @db.Text
  access_token      String? @db.Text
  expires_at        Int?
  token_type        String?
  scope             String?
  id_token          String? @db.Text
  session_state     String?
  user              User    @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([provider, providerAccountId])
  @@index(userId)
}

model Session {
  id           String   @id @default(cuid())
  sessionToken String   @unique
  userId       String
  expires      DateTime
  user         User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index(userId)
}

model VerificationToken {
  identifier String
  token      String   @unique
  expires    DateTime

  @@unique([identifier, token])
}

import { PrismaClient } from "@prisma/client";

const globalForPrisma = global as unknown as { prisma: PrismaClient };

export const prisma = globalForPrisma.prisma || new PrismaClient();

if (process.env.NODE_ENV !== "production") globalForPrisma.prisma = prisma;

Go to https://github.com/settings/developers. Fill out the "Application name," "Homepage URL," and "Application description" fields with the relevant information for your app. The callback URL should be in the format: https://your-app-domain.com/api/auth/callback/github.

import NextAuth from "next-auth";
import GithubProvider from "next-auth/providers/github";
import { PrismaAdapter } from "@next-auth/prisma-adapter";
import { prisma } from "#/lib/prismaclient";

export const authOptions = {
  callbacks: {
    // 'user' represents the user object stored in our database.
    // By customizing the session object, we can selectively pass
    // the desired user information to the client and throughout
    // our API.
    async session({ session, token, user }: any) {
      session.user.id = user.id;
      return session;
    },
  },
  adapter: PrismaAdapter(prisma),
  secret: process.env.SECRET,
  providers: [
    GithubProvider({
      clientId: process.env.GITHUB_ID,
      clientSecret: process.env.GITHUB_SECRET,
    }),
  ],
};

export default NextAuth(authOptions);