Blog

Lessons Learned Building a Production System - Part 3

Lessons Learned Building a Production System - Part 3 "Real challenges, debugging stories, and interview presentation strategies from building a production document management system" In Par...

17 Dec 2025

Deploying with Docker and Cloudflare Tunnel - Part 2

Deploying with Docker and Cloudflare Tunnel - Part 2 "From local Docker Compose to production deployment with Cloudflare Tunnel - secure public access without exposing ports" In Part 1, I bu...

16 Dec 2025

Building a Document Management System with eXist-db and Docker - Part 1

How I built a production-ready document management system using native XML databases, Docker Compose, and modern DevOps practices Introduction As a DevOps engineer, I wanted to build a project that sh...

15 Dec 2025

Deploying a Multi-Container Voting Application on Kubernetes

Introduction After setting up my K3s cluster (see my previous post on K3s installation), I deployed my first real application: a distributed voting app with multiple microservices. This project demons...

12 Dec 2025

Setting Up a K3s Kubernetes Cluster for Home Lab Development

Introduction As part of my DevOps learning journey, I set up a production-grade Kubernetes environment in my home lab. Instead of using Minikube (which is only for local development), I chose K3s - a...

04 Dec 2025

Building My Home Lab: From a $49 Mini PC to a Full Learning Environment

Introduction Every DevOps engineer needs a playground. A place to break things, learn, and experiment without consequences. That's why I built my home lab. I didn't need anything fancy or expensive....

27 Nov 2025

Docker: A Beginner-Friendly Introduction (and Why It Matters in Real DevOps Work)

Docker: A Beginner-Friendly Introduction and Why It Matters in Real DevOps Work Introduction Containers changed everything. If you're learning DevOps, understanding Docker isn't optional—it's fundamen...

20 Nov 2025

Welcome to My DevOps Learning Journey

Hi, I'm Lionel If you're reading this, welcome to my corner of the internet where I document everything I'm learning about DevOps, cloud infrastructure, and software development. Let me tell you a bit...

13 Nov 2025