Update code

lib/prisma.ts

@@ -0,0 +1,10 @@
+import { PrismaClient } from '@prisma/client';
+
+const globalForPrisma = globalThis as unknown as {
+  prisma: PrismaClient | undefined;
+};
+
+export const prisma =
+  globalForPrisma.prisma ?? new PrismaClient();
+
+if (process.env.NODE_ENV !== 'production') globalForPrisma.prisma = prisma;