Hi, I'm Tiago Costa 👋
AI & Cloud Architect working with Microsoft technologies. I write about AI, Azure, and the craft of building cloud solutions that actually ship.
Azure App Service Plans: Why Moving from B1/B2/B3 and S1/S2/S3 to Premium v3 or v4 Can Lower Real Cost
A technical analysis showing why Azure App Service teams should migrate from Basic (B1-3) and Standard (S1-3) to Premium v3/v4 for better performance-per-dollar and lower effective costs.
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Azure
Architecture, services, and patterns for building on Microsoft Azure.
6 posts →AI
Azure OpenAI, Copilot, and the craft of building with generative AI.
1 post →Architecture
Reference designs, trade-offs, and field notes from real projects.
2 posts →GitHub & DevOps
GitHub Copilot, Actions, and the developer workflows I live in.
0 posts →Latest articles
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AI-900 vs AI-901: Understanding Microsoft’s Evolving AI Fundamentals Certification
A concise comparison of Microsoft AI-900 and AI-901, highlighting the shift from foundational AI concepts to more practical, agent-focused skills.
Azure App Service Deep Dive (Part 1): Building a Production-Ready Foundation
Unlock the full potential of Azure App Service with this comprehensive guide to designing high-performance, secure, and production-ready cloud architectures from day one.
Microsoft Just Rewrote the Rules: The 2026 Certification Revolution You Can't Ignore
Microsoft is not just updating certification numbers. It is redefining what a qualified cloud professional looks like in the age of AI.
Speaking at the European AI and Cloud Summit: A Deep Dive into Azure App Services
I’m speaking at the European AI and Cloud Summit 2026, delivering a deep technical session on Azure App Services architecture, scalability, security, and real-world cloud patterns.
Welcome to the new tiagocosta.com
A fresh, fast, markdown-first blog built with Astro — authored in VS Code and published via Git.
Hello, Azure: a starter template for architects
A short note on how I structure Azure reference architectures I share here.