
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.
46 articles tagged with “CDK”

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

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

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

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

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

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

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

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

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

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

Learn how to simplify AWS security, manage WAF rules, and enforce policies across accounts with AWS Firewall Manager, with AWS CDK code

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

In this article you will learn about dead letter queue best practices and how to handle failures in a correct and automated manner.

Learn how to handle Amazon SQS batch processing failures and master automatic retries with AWS Lambda Powertools for Python.

Handle Amazon SQS batches in a safe manner that encourages retries with AWS Lambda Powertools for Python and AWS CDK code examples.

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

In this post, you will learn how to generate Python templates with cookiecutter and build new template projects from scratch.

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

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

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

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

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

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

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

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

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

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

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

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

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

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