Replit Hello World

Overview

Build a working Replit app that demonstrates core platform services: Express/Flask server, Replit Database (key-value store), Object Storage (file uploads), Auth (user login), and PostgreSQL. Produces a running app you can deploy.

Prerequisites

• Replit App created (template or blank)
• .replit and replit.nix configured (see replit-install-auth)
• Node.js 18+ or Python 3.10+

Instructions

Step 1: Node.js — Express + Replit Database

// index.ts
import express from 'express';
import Database from '@replit/database';