#aws

3 items tagged "aws".

Posts

• Unit Testing AWS Lambda Functions Without a Framework

  Posted on:October 8, 2024

  · 3 min read

  151 unit tests, no Jest — just Node's built-in runner, tsx, and sinon. The hard part wasn't the test framework, it was understanding module loading order and what the bundler does to your exports.

  awsserverlesstesting

• SQL-Style Triggers in NoSQL: DynamoDB Streams, CosmosDB Change Feed, and When Not to Bother

  Posted on:July 20, 2023

  · 5 min read

  NoSQL databases don't have triggers. But their event-driven primitives — streams, change feeds, CDC — let you build the same things with better decoupling. Here's how, and where it hurts.

  awsazurenosqlarchitecture

• AWS Lambda, Azure Functions, and When to Reach for Step Functions Instead

  Posted on:March 15, 2023

  · 6 min read

  Lambda and Azure Functions are the easy part. Coordinating them — handling retries, state, error paths, timeouts — is where serverless gets hard. Step Functions solves that, but it's not always the right call.

  awsazureserverlessarchitecture