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Jun 1, 10:00 PM Pending

Jun 1, 10:00 PM In Progress

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description A URL shortener service. Express.js + PostgreSQL. Takes long URLs, returns short codes, tracks click counts.

Technical Specification

Frontend

Express.js + EJS (Server-side Rendering)

Backend

Express.js REST API

Database

PostgreSQL via Neon

Hosting

Render (Node.js)

Summary

A high-performance URL shortening service that maps long destination URLs to compact, shareable slugs. It leverages PostgreSQL for persistent storage and atomic click tracking, providing users with a simple dashboard to monitor link engagement.

File Structure

server.js Application entry point and middleware configuration

db/index.js PostgreSQL connection pool using pg-promise or node-postgres

routes/urlRoutes.js Routes for shortening URLs and handling redirects

controllers/urlController.js Logic for generating short codes, saving to DB, and fetching analytics

views/index.ejs Main dashboard for submitting URLs and viewing the list of shortened links

public/style.css Basic styling for the frontend

.env Environment variables for database connection string and base URL

Features (4)

URL Shortening P1

Converts a valid long URL into a unique 6-8 character short code.

User can input a long URL
System validates the URL format
System generates a unique short code and stores it in PostgreSQL
System returns the full shortened URL to the user

Redirection P1

Redirects users from the short URL to the original destination.

Accessing /[shortCode] lookups the original URL in the database
System performs a 302 redirect to the original URL
System returns a 404 if the short code does not exist

Click Tracking P2

Increments a counter every time a short link is accessed.

Database schema includes a click_count column
Each redirect event triggers an atomic increment of the click count
Clicks are tracked accurately even with concurrent requests

Analytics Dashboard P3

A simple UI to view all generated links and their performance.

Table view showing Original URL, Short URL, and Total Clicks
Data is fetched directly from the PostgreSQL database

Build Log

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status Project status updated to Review

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Source Code

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Documentation

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Delivery in progress — workspace is being packaged and pushed.