Failed to initialize database adapter

export const auth = betterAuth({
  database: drizzleAdapter(db, {
    provider: "pg",
    schema: { // Throws with or without this
      ...schema,
    },
  }),
});

import { drizzle } from "drizzle-orm/node-postgres";
import { loadEnvConfig } from "@next/env";

// Load environment variables
loadEnvConfig(process.cwd());

export const db = drizzle(process.env.DATABASE_URL!);

export const auth = betterAuth({
  database: new Pool({
    connectionString: process.env.DATABASE_URL,
  }),
});