Card · Next 16 + Prisma 7

• Node =20.19+; Next 16.x + React 19.x.
• Install prisma@7, @prisma/client@7, and DB adapter (e.g., @prisma/adapter-pg).
• Add prisma.config.ts with env-driven DATABASE_URL (and optional SHADOW_DATABASE_URL).
• PrismaClient: pass adapter; cache globally in dev.
• Run npx prisma generate + db push/migrate after schema changes.

// prisma.config.ts

defineConfig({

  schema: "prisma/schema.prisma",

  datasource: { url: env("DATABASE_URL"), shadowDatabaseUrl: env("SHADOW_DATABASE_URL", { optional: true }) },

});


// lib/prisma.ts (PG)

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

import { PrismaPg } from "@prisma/adapter-pg";

const globalForPrisma = globalThis as { prisma?: PrismaClient };

const prisma = globalForPrisma.prisma ?? new PrismaClient({ adapter: new PrismaPg(), log: ["error", "warn"] });

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

npm install prisma@7 @prisma/client@7 @prisma/adapter-pg

npx prisma generate

npx prisma db push # or migrate dev/deploy

npm run lint && npm run build