I had three D-series VMs running in Central US on Azure subscription 1. When I tried to create a fourth VM of the same kind in the same region, Azure refused. I switched to another region, tried again, and it worked right away. This post explains what happened, how to …

Why Azure VMs for Deployment

Azure Virtual Machines give you a full-control compute environment in the cloud, essentially a remote server you configure exactly like a physical machine. Unlike PaaS options such as App Service, a VM lets you install any runtime, any OS-level dependency, and any custom service without …

If you've spent time with Docker, you already understand containers. Azure Container Apps doesn't replace that knowledge — it builds a managed layer on top of it. This post maps what you already know onto what Azure adds.

Core Concepts

Docker — Docker is the toolset for building, packaging, and running containers …

If you're new to Azure, it feels a little counterintuitive at first. You spin up a VM in Azure, and your instinct is to log into that VM and start running Azure commands from inside it — after all, that's where your "Azure stuff" lives, right? But then someone tells you …

If your Azure Spot VM keeps dropping, it almost always comes down to how you configured its eviction type and policy when you created it. Spot VMs give you up to 90% off pay-as-you-go pricing by using Azure's unused capacity, but that discount comes with a real chance of interruption …

If you've spent any time poking around server configs, deploying a web app, or reading tech blogs, you've probably run into the name Nginx (pronounced "engine-x"). It's one of those pieces of software that quietly powers a huge chunk of the internet, yet a lot of people using it every …

Learn how to safely manage prompt changes in production LangChain applications. Discover strategies for testing, versioning, A/B testing, and monitoring prompt performance.