Configuring the schema

const schema = `#graphql
type Query {
	me: String
}
`

export default schema

Configuring resolvers

const resolvers = {
	me: () => 'hi"  
}

export default resolvers

Configuring the server

import { startServerAndCreateNextHandler } from '@as-integrations/next'
import { ApolloServer } from '@apollo/server'
import {
  ApolloServerPluginLandingPageLocalDefault,
  ApolloServerPluginLandingPageProductionDefault,
} from '@apollo/server/plugin/landingPage/default'
import { NextRequest } from 'next/server'
import typeDefs from './schema'
import resolvers from './resolvers'

let plugins = []
if (process.env.NODE_ENV === 'production') {
  plugins = [
    ApolloServerPluginLandingPageProductionDefault({
      embed: true,
      graphRef: 'myGraph@prod',
    }),
  ]
} else {
  plugins = [ApolloServerPluginLandingPageLocalDefault({ embed: true })]
}

const server = new ApolloServer({
  resolvers,
  typeDefs,
  plugins,
})

const handler = startServerAndCreateNextHandler<NextRequest>(server, {})

export async function GET(request: NextRequest) {
  return handler(request)
}

export async function POST(request: NextRequest) {
  return handler(request)
}