Serverless

72 articles tagged with “Serverless”

Dec 8, 202524 min read

AWS re:Invent 2025: My Serverless & Agentic AI Takeaways

AWS re:Invent 2025 summary - exciting new services and features launched from a Serverless and agentic AI developer perspective.

Nov 6, 202510 min read

Platform Engineering for Serverless, Not Just K8s

Apply platform engineering principles to AWS serverless: reusable CDK blueprints, automated governance, and cost optimization.

Oct 8, 202517 min read

AWS re:Invent 2025: My Top Serverless & AI Sessions

My session guide for AWS re:Invent: 2025 breakout sessions, workshops, and talks relevant to Serverless, SaaS, platform engineering, and security.

Sep 8, 20255 min read

Secrets Manager vs Parameter Store: Which to Use?

AWS Secrets Manager vs SSM Parameter Store compared: cost, rotation, encryption, versioning, and IaC support to help you choose.

Jul 16, 202517 min read

Serverless MCP: Lambda vs Fargate for Agentic AI

Compare three ways to deploy MCP servers on AWS: Lambda with Web Adapter, Pure Lambda, and Fargate. Includes CDK templates.

Jul 9, 202511 min read

14 AWS Lambda Security Best Practices

14 real-world AWS Lambda security best practices: input validation, IAM least privilege, secrets management, and tenant isolation.

May 27, 202510 min read

Agentic AI & MCP for Platform Engineering Teams

Build a secure foundation for AI adoption with centralized prompt libraries, MCP server blueprints, and org data connectors.

May 19, 202511 min read

Observability with CloudWatch Synthetics

Use AWS CloudWatch Synthetics to catch production issues before users do. Learn to implement and schedule synthetic canaries.

May 10, 20256 min read

Running an MCP Server on AWS Lambda: What Happened

Running an MCP server on AWS Lambda with FastAPI and FastMCP. It works, but cold starts and observability make it rough.

May 5, 202510 min read

Serverless WebSockets with AppSync Events & Lambda

Use AWS Lambda with AppSync Events for serverless WebSockets. Covers CDK setup, real-time events, and Powertools integration.

Apr 23, 202517 min read

Building Serverless MCP Servers (and Peppa Pig?!)

Build a stateless MCP server on AWS Lambda with Streamable HTTP. Covers MCP internals, API Gateway deployment, and local testing.

Mar 31, 20259 min read

Stop Building Internal Tools Nobody Wants

Stop building internal tools nobody wants. Platform engineering tips to boost adoption, DevX, feedback, and internal open-source mindset

Mar 3, 20259 min read

AWS Service Catalog: A Game Changer for Platform Engineering

Discover how AWS Service Catalog helps Platform Engineers balance flexibility, security, and governance—transforming delivery at scale

Feb 10, 20259 min read

5 Serverless Patterns You Should Stop Using

Avoid common AWS Serverless architecture pitfalls! Learn 5 outdated patterns & the best practices to replace them for better services

Dec 16, 20245 min read

Protect Your API Gateway with AWS WAF using CDK

learn about AWS Web Application Firewall (WAF) and use CDK code to protect an REST API served by an API Gateway and enable metrics and logs

Dec 6, 202412 min read

AWS re:Invent 2024: My Serverless Takeaways

AWS re:Invent 2024 key serverless announcements and new features from a developer perspective, including Lambda and EventBridge updates.

Nov 18, 202412 min read

AppSync Events: Serverless WebSockets Done Right?

AWS AppSync Events lets you broadcast realtime data with Serverless WebSockets. Learn how it works, use cases and diff from API GW Websocket

Nov 13, 202410 min read

AWS WAF Essentials: Securing SaaS Against Threats

Learn about the AWS Web Application Firewall (WAF), what it is for, tips, and insights for visibility, ownership, governance and more

Oct 21, 202411 min read

AWS Availability Zones: Boosting SaaS Resilience

Understand AWS Availability Zones, how they work, and why they are essential for building resilient, high-uptime SaaS applications.

Oct 2, 202415 min read

AWS re:Invent 2024 — My Selection Of Sessions

In this post, you will find my opinionated list of AWS re:Invent sessions that I found relevant to Serverless or highly interesting

Sep 10, 20249 min read

AWS Lambda Extensions: Pros, Cons, and Use Cases

In this VERY opinionated post, I will share my thoughts about AWS Lambda extensions, the good and the bad, and when you should use or should not use them.

Aug 13, 20248 min read

Build a Serverless App on Fargate ECS with AWS CDK

Build a secure Fargate ECS cluster with an application load balancer and a Streamlit web application using Python CDK and OpenAI.

Jul 24, 202414 min read

Reflecting on Serverless: State, Community & Future

Reflect on the current state of serverless, share my thoughts about articles from the community, and discuss the future of serverless

Jul 22, 202411 min read

Unlocking High Throughput with Amazon SQS FIFO Queues

Achieve optimal throughput with Amazon SQS FIFO queues. Detailed insights on message groups, deduplication, and CDK TypeScript examples.

Jul 8, 202410 min read

Build a Chatbot with Amazon Bedrock and Powertools

Build a chatbot with Amazon Bedrock agents using Powertools for AWS. Learn to automate Lambda API calls via OpenAPI with bedrock agents.

Jun 18, 202414 min read

CloudFormation Custom Resources Best Practices with CDK

Learn of CloudFormation custom resources, their types, and best practices using AWS CDK, Powertools for AWS, Pydantic, and crhelper.

Jun 3, 202418 min read

AWS IAM Best Practices for Service-to-Service Auth

AWS security best practices for service to service authentication, authorization and cross-account access with IAM policies and python code.

May 20, 202410 min read

Optimize AWS Lambda with Dynamic Provisioned Concurrency

Reduce AWS Lambda cold starts and optimize costs with dynamic provisioned concurrency. Master it with our AWS CDK Python guide.

Apr 29, 20249 min read

AWS Serverless: Multi-Language Strategies

Learn from my experience developing a performance-oriented serverless service. I'll share insights on multi-language strategies.

Apr 15, 202415 min read

Chaos Engineering in Serverless: A Practical Guide

We'll explore chaos engineering in AWS serverless architecture, using AWS FIS for fault injection and providing example code.

Apr 2, 202413 min read

Optimizing Clouds Costs with FinOps Mindset

learn how a frugal organization thrives on a FinOps mindset, crucial for optimizing costs and maximizing efficiency in cloud services.

Mar 18, 202410 min read

AWS Lambda Cold Start: What It Is & How to Fix It

Learn what are Lambda cold starts, whether they are still an issue, when to minimize them, and how. Optimize user experience.

Mar 4, 202410 min read

Auto-Generate OpenAPI Docs & CI/CD Protections

Generate OpenAPI documentation for serverless APIs automatically, keep it in sync with code, and safeguard against API breaking changes

Feb 19, 202411 min read

Serverless API Documentation with Powertools for AWS

Generate OpenAPI documentation for Python Lambda APIs using Powertools for AWS Lambda and Pydantic. Automate your API spec with CDK.

Feb 7, 20247 min read

Boost App Engagement with CloudWatch & Powertools

Learn to use CloudWatch metrics for mobile alerts, enhancing app engagement with AWS Lambda Powertools. Ideal for developers and engineers

Jan 29, 202410 min read

AWS Serverless Made Easy: Infrastructure Composer

Design and build AWS serverless architectures visually with Infrastructure Composer. Hands-on experience, limitations, and feature wishlist.

Jan 15, 20247 min read

Chaos Engineering in Serverless Architectures

Introduction to chaos engineering for serverless: inject controlled failures with AWS FIS to improve resilience and disaster recovery.

Dec 5, 20239 min read

AWS re:Invent 2023: My Serverless Takeaways

Key serverless announcements and feature launches from AWS re:Invent 2023, including Lambda, Step Functions, and EventBridge updates.

Nov 13, 202311 min read

Export CloudWatch Logs to Third-Party Tools

Export CloudWatch logs to DataDog, Grafana, or other observability tools using serverless architecture for simpler management.

Oct 28, 20238 min read

Build CloudWatch Dashboards with AWS CDK

Build CloudWatch dashboards with AWS CDK to monitor serverless services using metrics, custom metrics, log insights, and alarms.

Oct 17, 202310 min read

Monitor Serverless Apps with CloudWatch - Part One

Learn to monitor AWS serverless services, build CloudWatch dashboards, and set alarms for a proactive approach in my new post

Sep 18, 20234 min read

Deploy AWS AppConfig with the New L2 CDK Constructs

Deploy AWS AppConfig feature flags using CDK L2 constructs. Manage feature toggles for serverless apps with type-safe configurations.

Sep 4, 202318 min read

AWS re:Invent 2023 — My Selection Of Serverless Sessions

Curated list of AWS re:Invent 2023 sessions for serverless and Python developers, covering Lambda, Step Functions, and more.

Aug 15, 20237 min read

SQS Dead Letter Queues: 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.

Aug 7, 20238 min read

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.

Jul 24, 20236 min read

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.

Jun 26, 202313 min read

Serverless API Idempotency with Lambda Powertools

Discover serverless API idempotency's significance and implementation using AWS Lambda, AWS CDK, and Lambda Powertools for Python.

May 22, 202310 min read

Serverless Scheduled Tasks with EventBridge & CDK

This blog post will teach you to leverage Amazon EventBridge to create serverless scheduled tasks using AWS CDK in Python.

May 8, 20239 min read

Convert Text to Speech with Amazon Polly Serverless

Learn to automate TTS, text to speech, with Amazon Polly in minutes using the provided GitHub Serverless service to improve accessibility.

Apr 24, 202312 min read

AWS Lambda Functions with Architecture Layers

Learn to structure AWS Lambda functions with three architectural layers for clean, testable, and maintainable serverless code in Python.

Apr 10, 202315 min read

Serverless SLA Guide: Definitions and Guidelines

This blog post you describes my definitions, guidelines and approach to understanding SLA and estimating a Serverless service availability.

Mar 27, 20239 min read

Serverless & Lambda Testing - Part 3 - Async Flows

Learn AWS Serverless testing best practices for advanced asynchronous flows that may or may not contain Lambda functions.

Mar 13, 202318 min read

Serverless & Lambda Testing - Part 2 - Pyramid

Learn AWS Serverless & Lambda testing best practices using the testing pyramid: unit, infrastructure, integration and end to end tests.

Feb 27, 202313 min read

Serverless & Lambda Testing Best Practices - Part 1

Serverless and Lambda testing challenges, how they differ from traditional testing, and best practices for overcoming them.

Feb 13, 20237 min read

AWS Lambda Layers Best Practices

AWS Lambda layers explained: when to use them, the pros and cons, packaging tips, and best practices for Python serverless projects.

Jan 31, 20234 min read

AWS Lambda Feature Flags 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.

Jan 16, 20237 min read

Build AWS Lambda Container Image with AWS CDK

Build and deploy AWS Lambda custom container images with AWS CDK in Python. Covers Docker setup, ECR, and deployment best practices.

Jan 2, 20235 min read

Build AWS Lambda Layers with AWS CDK

Build and deploy AWS Lambda layers with Docker and AWS CDK in Python. Covers packaging, versioning, and layer management best practices.

Dec 18, 20229 min read

Serverless Production Readiness Checklist

Before going to production, go through this checklist. The checklist spans security, backups, crisis recovery, CI/CD, and support readiness.

Dec 3, 20227 min read

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.

Nov 7, 20228 min read

Cloud Architect's High-Level Design Template

A practical high-level design template for AWS Serverless architectures covering security, observability, CI/CD, and IaC with CDK.

Oct 24, 20223 min read

Deploy to AWS with GitHub Actions and AWS CDK

Step-by-step guide to deploying AWS infrastructure with GitHub Actions and AWS CDK, including OIDC authentication and CI/CD pipelines.

Oct 3, 202215 min read

AWS CDK Best Practices From The Trenches

Best practices and guidelines for working with AWS CDK, learned from using AWS CDK, from development to production over the past 3 years.

Jul 11, 202214 min read

Cloud Platform Engineering - Supercharge Your Development

Creating a cloud platform engineering team in your organization accelerates SaaS development. Learn about the challenges and best practices.

Jun 19, 20227 min read

Start Your AWS Serverless Service With Two Clicks

This blog will help you to start your very own AWS Serverless Python service with a working pipeline and CDK with just two clicks!

Jun 9, 20227 min read

Manage Your AWS Lambda Feature Flags Like a Boss

This blog post will describe a feature flags development process for getting feature flags right in: design, testing, production, retirement

May 15, 202216 min read

AWS Lambda Feature Flags & Configuration Best Practices

AWS Lambda handler best practices series. This blog focuses on AWS Lambda feature flags and configuration best practices.

Apr 7, 202210 min read

AWS Lambda Input Validation Best Practices

AWS Lambda input validation and parsing best practices using Pydantic and Powertools for AWS Lambda to ensure type-safe handlers.

Mar 15, 20228 min read

AWS Lambda Cookbook | Environment Variables

AWS Lambda environment variables best practices for static configuration, type safety, and validation with Pydantic in Python.

Mar 3, 20226 min read

AWS Lambda Metrics KPI Best Practices

AWS Lambda custom metrics best practices: publish CloudWatch metrics and business KPIs with Powertools for AWS Lambda in Python.

Feb 24, 202211 min read

AWS Lambda Observability Best Practices

AWS Lambda observability best practices for distributed tracing, metrics, and monitoring using Powertools for AWS Lambda in Python.

Feb 23, 20226 min read

AWS Lambda Best Logging Practices

Master AWS Lambda logging best practices with structured logs, correlation IDs, and Python Powertools for production-ready observability.