How to use AWS Amplify Authentication with Next.js Server Actions

No next-auth required:

// amplifyServerUtils.ts

import { createServerRunner } from '@aws-amplify/adapter-nextjs';
import config from '@/amplifyconfiguration.json';

export const { runWithAmplifyServerContext } = createServerRunner({
  config
});

// actions.ts

"use server";
import { cookies } from "next/headers";