Upgrade packages: React 19, Next.js 16, Prisma 7, Express 5

- Frontend: React 18→19, Next.js 15→16, major package updates
- Backend: Prisma 5→7 with adapter pattern, Express 4→5
- Added Prisma 7 config (prisma.config.ts) and PostgreSQL adapter
- Updated Next.js config for Turbopack compatibility
- All builds passing successfully

backend/package.json

@@ -17,40 +17,42 @@
     "lint:fix": "eslint src --ext .ts --fix"
   },
   "dependencies": {
-    "@prisma/client": "^5.0.0",
-    "prisma": "^5.0.0",
-    "express": "^4.21.2",
+    "@prisma/adapter-pg": "^7.1.0",
+    "@prisma/client": "^7.1.0",
+    "bcryptjs": "^3.0.3",
+    "compression": "^1.8.1",
     "cors": "^2.8.5",
-    "helmet": "^7.0.0",
-    "express-rate-limit": "^7.0.0",
-    "jsonwebtoken": "^9.0.0",
-    "bcryptjs": "^2.4.3",
-    "multer": "^1.4.5-lts.1",
-    "joi": "^17.9.0",
-    "nodemailer": "^6.9.0",
-    "redis": "^4.6.0",
-    "winston": "^3.10.0",
-    "uuid": "^9.0.0",
-    "dotenv": "^16.3.0",
-    "compression": "^1.7.4"
+    "dotenv": "^17.2.3",
+    "express": "^5.2.1",
+    "express-rate-limit": "^8.2.1",
+    "helmet": "^8.1.0",
+    "joi": "^18.0.2",
+    "jsonwebtoken": "^9.0.3",
+    "multer": "^2.0.2",
+    "nodemailer": "^7.0.11",
+    "pg": "^8.16.3",
+    "prisma": "^7.1.0",
+    "redis": "^5.10.0",
+    "uuid": "^13.0.0",
+    "winston": "^3.19.0"
   },
   "devDependencies": {
-    "@types/node": "^22.0.0",
-    "@types/express": "^4.17.17",
-    "@types/cors": "^2.8.13",
-    "@types/jsonwebtoken": "^9.0.2",
-    "@types/bcryptjs": "^2.4.2",
-    "@types/multer": "^1.4.7",
-    "@types/nodemailer": "^6.4.8",
-    "@types/uuid": "^9.0.2",
-    "@types/compression": "^1.7.2",
-    "@types/jest": "^29.5.3",
-    "@typescript-eslint/eslint-plugin": "^6.2.0",
-    "@typescript-eslint/parser": "^6.2.0",
-    "eslint": "^8.45.0",
-    "jest": "^29.6.1",
-    "tsx": "^4.0.0",
-    "typescript": "^5.8.3"
+    "@types/bcryptjs": "^3.0.0",
+    "@types/compression": "^1.8.1",
+    "@types/cors": "^2.8.19",
+    "@types/express": "^5.0.6",
+    "@types/jest": "^30.0.0",
+    "@types/jsonwebtoken": "^9.0.10",
+    "@types/multer": "^2.0.0",
+    "@types/node": "^25.0.2",
+    "@types/nodemailer": "^7.0.4",
+    "@types/uuid": "^11.0.0",
+    "@typescript-eslint/eslint-plugin": "^8.49.0",
+    "@typescript-eslint/parser": "^8.49.0",
+    "eslint": "^9.39.2",
+    "jest": "^30.2.0",
+    "tsx": "^4.21.0",
+    "typescript": "^5.9.3"
   },
   "engines": {
     "node": ">=22.0.0"

backend/prisma.config.ts

@@ -0,0 +1,12 @@
+import "dotenv/config";
+import { defineConfig, env } from "prisma/config";
+
+export default defineConfig({
+  schema: "prisma/schema.prisma",
+  migrations: {
+    path: "prisma/migrations",
+  },
+  datasource: {
+    url: env("DATABASE_URL"),
+  },
+});

backend/prisma/schema.prisma

@@ -7,7 +7,6 @@ generator client {
 
 datasource db {
   provider = "postgresql"
-  url      = env("DATABASE_URL")
 }
 
 model DocketEntry {

backend/src/index.ts

@@ -5,6 +5,8 @@ import compression from 'compression';
 import rateLimit from 'express-rate-limit';
 import dotenv from 'dotenv';
 import { PrismaClient } from '@prisma/client';
+import { PrismaPg } from '@prisma/adapter-pg';
+import pg from 'pg';
 import { createClient } from 'redis';
 import { logger } from './utils/logger';
 import { errorHandler } from './middleware/errorHandler';
@@ -27,8 +29,13 @@ const PORT = process.env.PORT || 3001;
 // Trust proxy when behind reverse proxy (Caddy)
 app.set('trust proxy', true);
 
-// Initialize Prisma client
+// Initialize Prisma client with PostgreSQL adapter
+const connectionString = process.env.DATABASE_URL;
+const pool = new pg.Pool({ connectionString });
+const adapter = new PrismaPg(pool);
+
 export const prisma = new PrismaClient({
+  adapter,
   log: ['query', 'info', 'warn', 'error'],
 });
 

frontend/next.config.js

@@ -1,6 +1,9 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
   reactStrictMode: true,
+  // Empty turbopack config to silence Next.js 16 warning
+  turbopack: {},
+  // Keep webpack config for backward compatibility
   webpack: (config) => {
     // Handle PDF.js worker
     config.resolve.alias.canvas = false;

frontend/package.json

@@ -12,33 +12,33 @@
     "type-check": "tsc --noEmit"
   },
   "dependencies": {
-    "@hookform/resolvers": "^3.1.0",
-    "axios": "^1.4.0",
-    "clsx": "^2.0.0",
-    "joi": "^17.9.0",
-    "lucide-react": "^0.263.0",
-    "next": "^15.3.4",
-    "react": "^18.3.0",
-    "react-dom": "^18.3.0",
-    "react-hook-form": "^7.45.0",
-    "react-pdf": "^7.3.0",
-    "tailwind-merge": "^1.14.0",
-    "zustand": "^4.4.0"
+    "@hookform/resolvers": "^5.2.2",
+    "axios": "^1.13.2",
+    "clsx": "^2.1.1",
+    "joi": "^18.0.2",
+    "lucide-react": "^0.561.0",
+    "next": "^16.0.10",
+    "react": "^19.2.3",
+    "react-dom": "^19.2.3",
+    "react-hook-form": "^7.68.0",
+    "react-pdf": "^10.2.0",
+    "tailwind-merge": "^3.4.0",
+    "zustand": "^5.0.9"
   },
   "devDependencies": {
     "@tailwindcss/forms": "^0.5.10",
-    "@tailwindcss/typography": "^0.5.16",
-    "@types/node": "^22.0.0",
-    "@types/react": "^18.3.0",
-    "@types/react-dom": "^18.3.0",
-    "@typescript-eslint/eslint-plugin": "^6.2.0",
-    "@typescript-eslint/parser": "^6.2.0",
-    "autoprefixer": "^10.4.0",
-    "eslint": "^8.45.0",
-    "eslint-config-next": "^15.3.4",
-    "postcss": "^8.4.0",
-    "tailwindcss": "^3.3.0",
-    "typescript": "^5.8.3"
+    "@tailwindcss/typography": "^0.5.19",
+    "@types/node": "^25.0.2",
+    "@types/react": "^19.2.7",
+    "@types/react-dom": "^19.2.3",
+    "@typescript-eslint/eslint-plugin": "^8.49.0",
+    "@typescript-eslint/parser": "^8.49.0",
+    "autoprefixer": "^10.4.23",
+    "eslint": "^9.39.2",
+    "eslint-config-next": "^16.0.10",
+    "postcss": "^8.5.6",
+    "tailwindcss": "^4.1.18",
+    "typescript": "^5.9.3"
   },
   "engines": {
     "node": ">=22.0.0"