AWS_Services
ECS
+2
Jul 23, 2026
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10 min read
SL#105 - AWS Services (3/120) - Amazon ECS: Cluster, Task, Service, and the Rolling Deploy Underneath
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.
Tutorial
+2
Jul 22, 2026
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10 min read
SL#104 - AWS Services (2/120) - AWS Lambda: The Cold Start Is the Model, Not the Bug
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.
EC2
+2
Jul 21, 2026
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10 min read
SL#101 - AWS Services (1/120) - Amazon EC2: The Primitive Every Other AWS Service Is Built On
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.