hyb-oa/server/src/prismaClient.js

const { PrismaClient } = require("@prisma/client");
const { PrismaPg } = require("@prisma/adapter-pg");
const { Pool } = require("pg");

function createPrismaClient() {
  const connectionString = process.env.DATABASE_URL;
  if (!connectionString) {
    throw new Error("Missing DATABASE_URL");
  }

  const pool = new Pool({ connectionString });
  const adapter = new PrismaPg(pool, { disposeExternalPool: false });
  const prisma = new PrismaClient({ adapter });

  return { prisma, pool };
}

module.exports = { createPrismaClient };