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

Dockerfile

@@ -25,8 +25,6 @@ COPY --from=dependencies /tmp/prod_node_modules ./node_modules
 
 # Copy built application
 COPY --from=build /app/dist ./dist
-COPY --from=build /app/server ./server
-COPY --from=build /app/shared ./shared
 COPY --from=build /app/drizzle.config.ts ./
 COPY --from=build /app/package.json ./
 
@@ -42,4 +40,4 @@ HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
   CMD node -e "require('http').get('http://localhost:5000/api/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
 
 # Start the application
-CMD ["node", "server/index.js"]
+CMD ["node", "dist/index.js"]