auth.js

import NextAuth from 'next-auth'
import GoogleProvider from 'next-auth/providers/google'

export const authOptions = {
  providers: [
    GoogleProvider({
      clientId: process.env.GOOGLE_CLIENT_ID,
      clientSecret: process.env.GOOGLE_CLIENT_SECRET,
      profile (profile) {
        return {
          id: profile.sub,
          name: profile.name,
          email: profile.email,
          image: profile.picture
        }
      }
    })
  ]
}

const handler = NextAuth(authOptions)
export { handler as GET, handler as POST }