create-apppaaaul/dist/templates/nextjs-ts-landing-prisma/project/src/lib/db.ts

Create projects as paaauldev would

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

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

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

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