

Ran Isenberg
- Sep 18
- 3 min
Deploy AWS AppConfig Configuration with the New L2 CDK Constructs
In this post, learn to deploy AppConfig with AWS CDK's L2 constructs for feature flags in serverless and other apps.


Ran Isenberg
- Sep 4
- 13 min
AWS re:Invent 2023 — My Selection Of Serverless Sessions
My opinionated list of AWS re:invent 2023 sessions that I found relevant to serverless and Python developers.


Ran Isenberg
- Jul 24
- 5 min
Effective Amazon SQS Batch Handling with AWS Lambda Powertools
Handle Amazon SQS batches in a safe manner that encourages retries with AWS Lambda Powertools for Python and AWS CDK code examples.


Ran Isenberg
- Jun 26
- 9 min
Serverless API Idempotency with AWS Lambda Powertools and CDK
Discover serverless API idempotency's significance and implementation using AWS Lambda, AWS CDK, and Lambda Powertools for Python.


Ran Isenberg
- Apr 24
- 9 min
Learn How to Write AWS Lambda Functions with Three Architecture Layers
In this blog post, you will learn how to write AWS Lambda function code containing three architectural layers.


Ran Isenberg
- Feb 27
- 9 min
Guide to AWS Serverless & Lambda Testing Best Practices - Part 1
Learn AWS Serverless and Lambda testing challenges, how it differs from regular application testing and my guidelines and best practices


Ran Isenberg
- Feb 13
- 5 min
AWS Lambda Layers Best Practices
This blog post covers AWS Lambda layers basics, the pros and cons, and my recommended best practices.


Ran Isenberg
- Apr 7, 2022
- 7 min
AWS Lambda Cookbook  - Part 5 - Input Validation Best Practices
AWS Lambda handler best practices series. This blog focuses on AWS Lambda input validation best practices.