Hi, I'm Nivekithan S

I'm a backend developer with 3 years of experience, currently working at epyc.in . I mainly work with Node.js/Cloudflare Workers using TypeScript, and PostgreSQL for databases.

Featured

• Building dockerpeek: browsing a Docker image's filesystem in the browser

  15 Nov, 2026

  How dockerpeek talks to container registries, streams image layers into Cloudflare R2, merges them into one filesystem, and serves any file with a single range read.

• Building linear-fuse: Learning C through a FUSE filesystem

  11 Jan, 2026

  My experience building a FUSE filesystem that lets you browse Linear projects and issues as files and folders, and what I learned about C programming along the way.

• Implementing Levenshtein Distance Check in Kotlin

  23 Oct, 2025

  Learn how to implement a recursive Levenshtein distance checker in Kotlin that determines if two words are within a specified edit distance.

• Deploying a Simple Web Server with HTTPS on K3s

  20 Jul, 2025

  A step-by-step guide to deploying a web server with HTTPS on K3s, covering installation, service configuration, ingress setup, and automatic SSL certificate management with cert-manager.

• Recovering Mangled YouTube URLs: A Brute-Force Adventure

  12 Jul, 2025

  How to recover corrupted YouTube URLs using brute-force permutations and yt-dlp validation when a frontend bug lowercases video IDs

• Automated postgres backups using pgBackRest

  29 Jun, 2025

  A complete guide on setting up automated backups using pgBackRest on Ubuntu 24.04 VPS for hobby use

Recent Posts

• setting up postgresql on a vps

  28 Jun, 2025

  a complete guide to installing, configuring, and securing postgresql on ubuntu 24.04 vps for hobby use

• How to implement fixed window Ratelimiter

  29 Jul, 2023

  We will be implementing a fixed window ratelimiter using typescript and redis.

• Solve Fly.io echo challenge using Deno

  17 Jun, 2023

  We will be solving the Echo challenge from [fly.io](http://fly.io) using Deno. I am assuming you have already installed [maelstrom](https://github.com/jepsen-io/maelstrom) and set it up properly.

• Deploy a lambda function written in typescript using cdktf and esbuild

  8 Oct, 2022

  Goal behind this blog, is to deploy a `lambda` function in `aws` written in `typescript` using [cdktf](https://www.terraform.io/cdktf) and [esbuild](https://esbuild.github.io/) and make that `lambda` ...