Haripriya Veluchamy articles - 87 total
Best Ways to Migrate a Database (What I Learned Doing It in Production)
Database migration is one of those things that sounds scary especially when it’s production data. I...
Docker Compose: Orchestrating Multi-Container Applications 🧩
After working with individual Docker containers for a while, I quickly realized that most real-world...
5 Dockerfile Misconfigurations You Should Avoid
When I started learning Docker and optimizing my containers, I realized that most of my issues...
Automating Terraform Import for Existing Azure Infrastructure via Pipeline
Recently, I faced an interesting challenge while working with Terraform and Azure. I had already...
I crossed 10,000 views on Dev.to and this one feels special 💙
Today, I crossed 10,000+ views on Dev.to (almost 10.5k now), and I honestly felt like pausing for a...
A Terraform Rename That Deleted Production Data Taught Me About Lifecycle Management
It happened while I was working on a production environment. I was managing a DV (data volume /...
A Cloud Cost Incident That Taught Me More Than Any Tutorial
Cloud cost issues are rarely caused by one big mistake. They usually grow silently one resource at a...
Docker Volumes and Data Persistence: Managing State in Containers 💾
One of the most challenging aspects of working with Docker has been figuring out data persistence....
The Day I made production go down, I Built ENVECL
Some outages scream. Some fail silently. This one did both and taught me a lesson I won’t forget. We...
CI/CD for Electron Desktop Apps Auto-Update, CDN, Azure Blob, Matrix Build & OS-Level Security
Most CI/CD blogs talk about deploying web apps — and those are relatively simple. You push code, run...
Working with Docker Images: From Basics to Best Practices
After getting comfortable with running containers, the next step in my Docker journey was learning...
Migrating Azure Table Storage Across Organizations: A Practical Guide
Introduction Cloud migrations are a common challenge in modern DevOps workflows,...
When Terraform Parallel Execution Becomes a Nightmare
I recently worked on an infrastructure deployment using Terraform + Azure, and I hit a problem that...
Working with Docker Containers: Essential Commands and Techniques 🐋
Now that I've covered Docker basics and architecture, it's time to get hands-on with containers. This...
Building an End-to-End Monitoring Architecture in Azure for a Multi-Service Product
When a product depends on multiple interconnected services, reliability becomes non-negotiable. In...
My First Windows Service Deployment: Lessons From a Dev Who Grew Up on Linux
For most of my work, I worked almost entirely on Linux servers. Systemd, journalctl, permissions,...
Why Azure Front Door Is My Favorite Global CDN + Load Balancing Service
When you’re deploying apps in multiple regions, you quickly realize that your setup must solve three...
Why Do We Need WSGI for Python Web Apps? (And Why Flask Uses Gunicorn)
If you're new to deploying Python web applications, one confusing question always pops up: “I can...
Deploying a Flask App Across Multiple AWS Regions
Modern applications must be fast, highly available, and resilient across regions. If a user opens...
That one missing HTTP method that broke my whole setup
Last week, I ran into one of those tricky production bugs where everything looked fine, but Azure...
When Terraform Taught Me a Version Lesson, Not a Python One
You know those moments in DevOps where everything looks fine until it just… isn’t? Yeah, this was one...
When Cron Jobs Fail in Cloud: How I Solved It in Azure App Service
As engineers, we’re used to relying on cron jobs. On a Linux VM, it’s simple you set your schedule,...
Docker Architecture and Installation: Getting Started with Docker 🏗️
After understanding container basics, I figured it would be helpful to explain Docker's architecture...
Solving a Multi-Region Deployment Challenge in GitHub Actions
When we talk about multi-region deployments, one of the most common mistakes I see is building...
Docker Fundamentals: Understanding Containers and the Docker Ecosystem 🐳
I've been working with Docker for a while now, and I often find that newcomers get confused about...
When “Just Routing” Wasted 2 Days My Multi-Region Lesson
Deploying an app to multiple regions sounds straightforward just route traffic, right? That’s what I...
CORS Almost Broke Me But Preflight Saved the Day
When I first built my frontend-backend setup, I thought everything would be smooth. Frontend hosted...
From VM Chaos to Serverless Zen: My GitHub Webhook Journey 🚀
The Problem That Started It All If you’ve ever managed a growing dev team, you know the...
🚀 My First Microservice Deployment Journey: Lessons from Amplify + Next.js
When I started working on launching web app, I wanted to try something new: deploy two microservices...
The Day I Learned Why DynamoDB Costs More
Introduction A year ago, I was working with a team that planned to use Amazon DynamoDB for...