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
Tutorial
+2
Oct 26, 2026
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11 min read
SL#139 - AWS Services (28/120) - Amazon Keyspaces: The CQL Surface That Works, the Surface That Does Not, and a Probe Script That Tells You Which Is Which
Keyspaces speaks Cassandra's wire protocol without running Cassandra. The definition, the decision, the unsupported list, and a probe script you run against your own account.
Tutorial
+2
Oct 25, 2026
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9 min read
SL#138 - AWS Services (27/120) - Amazon Timestream: LiveAnalytics Is Closed to New Customers, So Here Is the InfluxDB 3 Cluster That Replaced It
Timestream now names two products and only one takes new customers. The definition, the decision, a working InfluxDB 3 write-and-query loop, and the export path out of LiveAnalytics.
Nextjs
+1
Oct 25, 2026
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6 min read
SL#137 - You Upgraded Next.js. The Vulnerable Image Decoder Is Still in Your Lockfile.
Last week's out-of-band Next.js release fixed two critical RCEs and one DoS. On the 15.x line, the command everyone will run does not fully fix one of them, and your scanner may never tell you.
Tutorial
+2
Oct 24, 2026
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11 min read
SL#136 - AWS Services (26/120) - Amazon Neptune: Property Graphs vs RDF, Gremlin vs openCypher vs SPARQL, and a Graph You Load and Traverse Yourself
A definition-first reference for Amazon Neptune: the storage model, the three query languages and why you only need one, what it really costs, and a runnable build that loads a small route network from S3 and traverses it with openCypher.
Tutorial
+2
Oct 23, 2026
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11 min read
SL#135 - AWS Services (25/120) - Amazon DocumentDB: MongoDB Compatibility and Where It Ends, with a Change Stream and a Probe Script You Run Yourself
Last time we looked at MemoryDB, a database that happens to speak Redis. DocumentDB is the mirror image: it speaks MongoDB's wire protocol on a different engine, and this article shows you the compatibility gap with a live change stream and a probe script you run yourself.
Tutorial
+2
Oct 22, 2026
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9 min read
SL#134 - AWS Services (24/120) - Amazon MemoryDB: The Transaction Log That Makes Redis a Database, and a Failover Drill That Counts Your Acknowledged Writes
Last time we looked at ElastiCache, the cache you put in front of a database. MemoryDB is the same wire protocol with a different promise: the data in memory is the database, and an acknowledged write survives a failover.