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AWS for the Real World

We teach AWS for the real world - not for certifications. Join more than 10,500 developers learning how to build real-world applications on AWS.

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Networking is still hard in 2026

AWS FOR THE REAL WORLD ⏱️ Reading time: 11 minutes 🎯 Main Learning: A Karpenter NodePool is a placement policy, not an instance preference. Pin one instance family, and a Spot shortage moves your fleet across availability zones, where every internal call starts costing $0.01 per GB. πŸ“ Blog Post Hey Reader πŸ‘‹πŸ½ Important off topic things first: Sandro got married! πŸŽ‰We were in Munich for it and it was a fantastic day! β˜€οΈHighly recommend a wedding over sprint planning or fighting with AWS...

AWS FOR THE REAL WORLD ⏱️ Reading time: 6 minutes 🎯 Main Learning: One stack, reused for every project. Hono on Lambda, Postgres with Drizzle, a TanStack SPA on S3 and CloudFront, and Better Auth for login. πŸ“ Blog Post Hey Reader πŸ‘‹πŸ½we've build a lot of fullstack applications so far: client projects side projects (this one, shopify apps, etc.) example tutorial apps Over the past few years we switched up tech stacks a lot. That taught us what actually matters in a stack and what is just...

AWS FOR THE REAL WORLD ⏱️ Reading time: 10 minutes 🎯 Main Learning: Wildcards come from the tooling, not from laziness. Put least privilege at the account level and let an agent write the policies. πŸ“ Blog Post Hey Reader πŸ‘‹πŸ½ I have shipped my share of s3:* at unusual hours and told myself I would refactor it later - which obviously never happened πŸ˜… So when someone on r/aws asked why developers can't write least privilege policies and put it down to laziness, I was excited to read through all...

AWS FOR THE REAL WORLD ⏱️ Reading time: 11 minutes 🎯 Main Learning: Most teams should stay serverless. EKS only pays off at real scale. πŸ“ Blog Post Hey Reader πŸ‘‹πŸ½For years we told everyone the same thing: don't run Kubernetes! And we meant it. Running k8s yourself is a second full-time job. Cluster upgrades, etcd backups, some networking plugin that falls over on a Tuesday and nobody can say why.We're serverless people through and through. Lambda first, a queue behind it, scale to zero, go...

AWS FOR THE REAL WORLD ⏱️ Reading time: 12 minutes 🎯 Main Learning: Most of the complaints in the viral "leaving AWS" post are skill issues β€” but egress pricing is a fair hit. πŸ“ Blog Post Hey Reader πŸ‘‹πŸ½Recently, a post with the title "I returned to AWS and was reminded why I left" hit 810 upvotes on Hacker News last week and went pretty viral with it.I read it twice before forming an opinion. My honest take: most of the complaints are skill issues! πŸ€·β™‚οΈNevertheless, the post is well written and...

AWS FOR THE REAL WORLD ⏱️ Reading time: 10 minutes 🎯 Main Learning: Describe the agent: model, prompt, tools and AWS runs the orchestration loop behind one API call! πŸ“ Blog Post Hey Reader πŸ‘‹πŸ½ If you've ever built an agent on AWS, you know the pain: glue Bedrock, Lambda, and DynamoDB together, grab LangGraph or Strands, then also own the orchestration loop, the memory layer, and your own tracing. πŸ˜… A "simple" agent ends up with multiple layers of pain.AWS just shipped something that takes most...

AWS FOR THE REAL WORLD ⏱️ Reading time: 12 minutes 🎯 Main Learning: Wrapping a multi-account AWS org in multiple layers of guardrails, featuring SCPs, RCPs, CloudTrail and Bugdet Actions πŸ“ Blog Post Hey Reader πŸ‘‹πŸ½As you hopefully know, we're really obsessed with security, observability and auditability. That's why we've carefully crafted our AWS Organization's setup. πŸ—οΈ In this issue, we want to walk you through our most important guardrails! Including all the whats and whys. 😊 Sponsored AWS...

AWS FOR THE REAL WORLD ⏱️ Reading time: 6 minutes 🎯 Main Learning: Three levels of AWS observability β€” from raw console.log to a Claude Code agent that queries CloudWatch for you. πŸ“ Blog Post πŸ“‚ Claude Code agent (free gist) 🎬 Watch on YouTube Hey Reader πŸ‘‹πŸ½Quick check β€” when did you last close the CloudWatch console and feel like that was time well spent?Yeah, me too. And I'm done with it. In this week's video, I will show you how to never open the CloudWatch console again. As a good...

AWS DevOps Agent β€” your AI SRE is now on call

AWS FOR THE REAL WORLD ⏱️ Reading time: 12 minutes 🎯 Main Learning: AWS DevOps Agent investigates incidents autonomously across CloudWatch, CloudTrail, and your code. It surfaces evidence brilliantly β€” but can confidently point at the wrong root cause, so don't apply its fixes blindly. πŸ“ Blog Post Hey Reader πŸ‘‹πŸ½ I was in Portugal for the past week. 10 days of tennis, padel, sun and waves 🎾 Highly recommended place! Our daily lives as software developers really changed since we started using...

AWS FOR THE REAL WORLD ⏱️ Reading time: 10 minutes 🎯 Main Learning: S3 Files gives POSIX access at S3 prices: 13x cheaper than EFS for large files, but the 60-second write-back delay silently breaks coordination patterns! πŸ“ Blog Post πŸ’» GitHub Repository 🎬 Watch on YouTube Hey Reader πŸ‘‹πŸ½ Sandro is currently traveling through Portugal - work and fun combined! If you happen to be around, reach out. Would be great to meet up! 🀝 This week we're digging into S3 Files: a POSIX file system backed by...