Ran Isenberg
Export CloudWatch Logs to Third-party Observability Tools with Serverless
Export AWS CloudWatch logs to tools like DataDog, Grafana, using serverless for simpler management and deeper insights.
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Blog Posts
​Top 10 Most Viewed Posts
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AWS Lambda Cookbook  - Part 4 - Environment Variables Best Practices
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AWS Lambda Cookbook  - Part 5 - Input Validation Best Practices
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Guide to AWS Serverless & Lambda Testing Best Practices - Part 1
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Guide to Serverless & Lambda Testing - Part 2 - Testing Pyramid
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Learn How to Write AWS Lambda Functions with Three Architecture Layers
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Ran Isenberg
- Oct 28
- 5 min
Build Amazon CloudWatch Dashboards with AWS CDK for Serverless Services
Use AWS CDK to monitor a serverless service with CloudWatch dashboards, metrics, custom metrics, logs and alarms.
Ran Isenberg
- Oct 17
- 7 min
How to Effortlessly Monitor Serverless Applications with CloudWatch - Part One
Learn to monitor AWS serverless services, build CloudWatch dashboards, and set alarms for a proactive approach in my new post
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
- Aug 15
- 5 min
Amazon SQS Dead Letter Queues and Failures Handling Best Practices
In this article you will learn about dead letter queue best practices and how to handle failures in a correct and automated manner.
Ran Isenberg
- Aug 7
- 6 min
Mastering Retries: Best Practices for Amazon SQS
Learn how to handle Amazon SQS batch processing failures and master automatic retries with AWS Lambda Powertools for Python.
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
- Jun 12
- 5 min
Python Cookiecutter: Streamline Template Projects for Enhanced Developer Experience
In this post, you will learn how to generate Python templates with cookiecutter and build new template projects from scratch.
Ran Isenberg
- May 29
- 5 min
ChatGPT: No Longer Cool, Thanks to Grandma!
An opinionated article about the current state of ChatGPT, its good and bad sides, and its future triggered by my grandmother using ChatGPT.
Ran Isenberg
- May 22
- 7 min
Build AWS Serverless Scheduled Tasks with Amazon EventBridge and CDK
This blog post will teach you to leverage Amazon EventBridge to create serverless scheduled tasks using AWS CDK in Python.
Ran Isenberg
- May 8
- 6 min
Serverless Empowers Accessibility: Convert Text to Speech with Amazon Polly
Learn to automate TTS, text to speech, with Amazon Polly in minutes using the provided GitHub Serverless service to improve accessibility.
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
- Apr 10
- 11 min
Ensuring Serverless Success: A Guide to Service Level Agreement (SLA) Definitions and Guidelines
This blog post you describes my definitions, guidelines and approach to understanding SLA and estimating a Serverless service availability.
Ran Isenberg
- Mar 27
- 7 min
Guide to Serverless & Lambda Testing - Part 3 - Advanced Asynchronous Flows
Learn AWS Serverless testing best practices for advanced asynchronous flows that may or may not contain Lambda functions.
Ran Isenberg
- Mar 13
- 13 min
Guide to Serverless & Lambda Testing - Part 2 - Testing Pyramid
Learn AWS Serverless & Lambda testing best practices using the testing pyramid: unit, infrastructure, integration and end to end tests.
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
- Jan 31
- 3 min
AWS Lambda Smart Feature Flags - Now with Time Based Conditions
Learn how to define time-based feature flags that will change the behavior of your AWS service at different times, hours and weekdays.
Ran Isenberg
- Jan 16
- 5 min
Build AWS Lambda Container Image with AWS CDK
This blog post covers AWS Lambda custom container images basics and how to build them with AWS CDK in Python.
Ran Isenberg
- Jan 2
- 4 min
Build AWS Lambda Layers with AWS CDK
This blog post covers AWS Lambda layers basics and how to build them with Docker & AWS CDK in Python.
Ran Isenberg
- Dec 18, 2022
- 6 min
Serverless Production Readiness Checklist
Dont go live without checking out these tips. Tips span aspects of security, backups, crisis recovery, CI/CD and support readiness.
Ran Isenberg
- Dec 3, 2022
- 5 min
re:Invent 2022: Serverless Takeaways
Now that AWS re:Invent 2022 is officially over, let's go over the exciting new services and features launched from a Serverless perspective.
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