fix: update Dockerfile to run database migrations on startup and clean up package.json dependencies

nest-backend/package.json

@@ -13,6 +13,7 @@
   },
   "dependencies": {
     "@prisma/client": "^5.22.0",
+    "prisma": "^5.22.0",
     "bcryptjs": "^2.4.3",
     "cors": "^2.8.5",
     "dotenv": "^16.4.5",
@@ -29,7 +30,6 @@
     "@types/express": "^4.17.25",
     "@types/jsonwebtoken": "^9.0.7",
     "@types/node": "^22.7.5",
-    "prisma": "^5.22.0",
     "ts-node": "^10.9.2",
     "ts-node-dev": "^2.0.0",
     "typescript": "^5.6.3"