Prepare application for production deployment with Docker and PostgreSQL

Integrate PostgreSQL database with Drizzle ORM, implement database migrations, and enhance Dockerfile for production build.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: ceced2fc-aa46-458d-ba87-ddd4b7bb1518
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/659922a9-0087-461c-90dd-6d9a58b81d4d/ceced2fc-aa46-458d-ba87-ddd4b7bb1518/ahHWEFX

package.json

@@ -42,6 +42,7 @@
     "@radix-ui/react-toggle-group": "^1.1.3",
     "@radix-ui/react-tooltip": "^1.2.0",
     "@tanstack/react-query": "^5.60.5",
+    "@types/pg": "^8.15.5",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cmdk": "^1.1.1",
@@ -59,6 +60,7 @@
     "next-themes": "^0.4.6",
     "passport": "^0.7.0",
     "passport-local": "^1.0.0",
+    "pg": "^8.16.3",
     "react": "^18.3.1",
     "react-day-picker": "^8.10.1",
     "react-dom": "^18.3.1",