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.
Taking a Microsoft Exam in English as a Second Language? You May Be Entitled to 30 Extra Minutes
If English is not your first language, Microsoft offers an accommodation that gives you 30 extra minutes on certification exams. Here's everything you need to know, and how to request it.
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Azure
Architecture, services, and patterns for building on Microsoft Azure.
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Azure OpenAI, Copilot, and the craft of building with generative AI.
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Reference designs, trade-offs, and field notes from real projects.
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Microsoft certifications, exam prep, and continuous learning on Azure and AI.
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Azure GPv1 Storage Accounts Are Being Retired – Here's What You Need to Do
Microsoft is retiring General Purpose v1 (GPv1) Azure Storage accounts on October 13, 2026. Learn what this means, why GPv2 is better, and how to migrate before the deadline.
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.
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.