migrate from SQLite to PostgreSQL with Drizzle ORM

- Updated all packages to latest versions (React 19, Next.js 14.2.32)
- Replaced sqlite3 with pg and drizzle-orm dependencies
- Created complete PostgreSQL schema with relationships and indexes
- Migrated all API endpoints from SQLite to Drizzle queries
- Added database seeding with sample data
- Updated authentication to use bcrypt instead of pbkdf2
- Configured connection pooling for PostgreSQL
- Updated app version to 1.0.0
- All endpoints tested and working correctly

package.json

@@ -1,26 +1,37 @@
 {
   "name": "infohliadka",
-  "version": "0.2.0",
+  "version": "1.0.0",
   "private": true,
   "scripts": {
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint"
+    "lint": "next lint",
+    "db:generate": "drizzle-kit generate",
+    "db:migrate": "drizzle-kit migrate",
+    "db:push": "drizzle-kit push",
+    "db:studio": "drizzle-kit studio",
+    "db:seed": "npx tsx scripts/seed.ts"
   },
   "dependencies": {
-    "next": "14.2.15",
-    "react": "18.3.1",
-    "react-dom": "18.3.1",
-    "sqlite3": "^5.1.7"
+    "@types/bcryptjs": "^2.4.6",
+    "@types/pg": "^8.15.5",
+    "bcryptjs": "^3.0.2",
+    "dotenv": "^17.2.2",
+    "drizzle-kit": "^0.31.4",
+    "drizzle-orm": "^0.44.5",
+    "next": "^14.2.32",
+    "pg": "^8.16.3",
+    "react": "^19.1.1",
+    "react-dom": "^19.1.1"
   },
   "devDependencies": {
-    "@types/node": "20.14.15",
-    "@types/react": "18.3.11",
-    "@types/react-dom": "18.3.1",
-    "@types/sqlite3": "^3.1.11",
-    "eslint": "8.57.1",
+    "@types/node": "^24.3.1",
+    "@types/react": "^19.1.12",
+    "@types/react-dom": "^19.1.9",
+    "eslint": "^9.35.0",
     "eslint-config-next": "14.2.15",
-    "typescript": "5.6.3"
+    "tsx": "^4.20.5",
+    "typescript": "^5.9.2"
   }
-}
+}