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Tutorial
+2
Oct 1, 2026
•
11 min read
Fargate is not a cheaper or simpler EC2. It is a different billing unit, one task at a time. This article gives you the model, the real prices, and a script that runs the same container on x86, ARM and Spot and tells you what each run cost.
Sep 30, 2026
EKS sells you a managed control plane for $0.10/hr. What 'managed' excludes - the data plane - is the story. We build an Auto Mode cluster, wire a workload with Pod Identity, and cost every piece.
ECS
Jul 23, 2026
10 min read
Three nouns everyone confuses, one deploy model that quietly changed in 2025, and a containerized API you ship to ECS on Fargate in an afternoon. Plan for 45 minutes and about ten cents of spend.
Jul 22, 2026
What Lambda actually is, how the execution and concurrency model works, what it costs, the limits that bite at scale, and a hands-on build that provisions concurrency and measures the cold-start latency it removes. Plan for 60-90 minutes.
design_patterns
+1
Jul 21, 2026
7 min read
Storing the change instead of the result is the easy part. The bill comes due when you realize every event you have ever written is a public contract you can never take back.
Software Engineering
GitClear's 2026 data shows refactoring collapsing and duplication climbing across 623 million changes. Read as a code-quality story, it misses the point. Refactoring is what a human does after reading the code around them, and that reading is what left.
EC2
The definition-first reference for EC2: the instance model, the six ways to pay for it, the quotas that bite, and a hands-on build of a right-sized instance behind an Auto Scaling group with a warm pool. Plan for about 45 minutes and under a dollar.
AI
Jul 15, 2026
8 min read
AI Now's Friendly Fire exploit turns Claude Code and Codex into the delivery vehicle for the malware they were asked to find. The reason it works is written plainly in Anthropic's own design doc.
Jul 12, 2026
CQRS is not two databases. It is one idea about splitting the model, and most teams end up paying for the expensive version when they only needed the cheap one.
9 min read
A 120-line Python hook that stops Claude Code from running rm -rf, force-pushing, or writing an API key into your source. Plan for 45 to 60 minutes if you have run Claude Code before.
AWS
Jul 11, 2026
Thirty tutorials, one running stack. This is the reference architecture we built, the monthly bill it produces at real traffic, and the honest decision guide for what to keep and what to delete.
Jul 10, 2026
We ran an agent stack for 28 episodes. Now we audit it: import the Well-Architected Agentic AI Lens, write a Python auditor for IAM boundaries and wildcard policies, and add a per-step guardrail with the new InvokeGuardrailChecks API.
