Featured Posts
SQS
+7
Oct 15, 2025
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4 min read
SL#39 - Make Your Serverless Stack Observable—Before It Breaks
Tracing async workflows, debugging across queues, and the metrics that actually matter—an advanced guide for serverless teams.
AWS
+3
Aug 3, 2025
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7 min read
SL#35 - Building a Serverless ETL Pipeline with AWS Glue: Integrating DynamoDB, S3, and OpenSearch
AWS Glue is a fully managed ETL (Extract, Transform, Load) service designed to simplify data integration. It automates much of the effort in building, maintaining, and running ETL jobs by providing a serverless environment, built-in transformation logic, and native integration with other AWS services like S3, DynamoDB, and OpenSearch.
DDD
+4
Oct 3, 2024
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12 min read
SL#33 - Understanding the C4 Architecture Model: A Detailed Breakdown
Adapting the C4 Model for Serverless, Domain-Driven Design (DDD), and Event-Driven Architecture (EDA)
Archive
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.
AWS
+2
Jul 11, 2026
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7 min read
SL#98 - AWS AI Series (30/30) - The Capstone: The Full Architecture, the Real Bill, and What to Keep
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.