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I built an OSS CLI tool called cdkd (CDK Direct) that speeds up deployments by up to 15x without...

I built an OSS tool called markgate that mechanically catches and enforces two kinds of gaps: when a...

How to Keep AI from Breaking Your Environment with AWS CDK More and more people are...

In AWS CDK, refactoring such as extracting resource definitions into a custom construct can cause...

Understanding AWS Blocks as a CDK Developer I tried out AWS Blocks, announced as a preview...

Best Practices for AWS CDK Deployment In AWS CDK, you can define and deploy stacks in...

In this article, I will introduce a collection of tips for centrally and collectively applying...

DELETE_FAILED and FORCE_DELETE_STACK If you've ever worked with AWS CloudFormation,...

What is cdk.out cdk.out is a directory that stores a collection of files called the cloud...

AWS CDK's hotswap deployments now support Bedrock AgentCore Runtime. What are hotswap...

Table of Contents Table of Contents Automatic IAM Role Generation in L2...

AWS CDK has newly introduced Mixins as a major feature that will become the core of future CDK...

AWS CDK Unit Testing Advanced Tips In the previous article AWS CDK Unit Testing Guide:...

Types of Unit Tests in AWS CDK There are three main types of unit tests in AWS...

Table of Contents Table of Contents Introduction Validation in AWS CDK AWS CDK...

Amazon S3 Vectors S3 Vectors In July 2025, Amazon S3 Vectors, a new service,...

What is a Stage AWS CDK has a concept called Stage. This is like an abstraction of stacks,...

Overview This article summarizes effective architectural patterns for reusing the same...

Target Audience AWS CDK contributors Custom Construct library developers Those who use...

What is CDK Toolkit Library CDK Toolkit Library is a library that allows you to directly...

Context and cdk.context.json Context Context in AWS CDK refers to key-value...

What is Lazy AWS CDK has a useful but not well-known feature called Lazy. Lazy is a...

What are Property Injectors? Property Injectors is a feature that allows you to centrally...

Amazon S3 Tables Amazon S3 Tables was announced at AWS re:Invent 2024 keynote. Amazon S3...

About Aspects The specification of Aspects was changed in AWS CDK v2.172.0 released on...

Overview A Construct for AWS CDK, which uses Trivy to perform security diagnostics on...

Overview A Construct for AWS CDK, which uses Dockle to perform security diagnostics on...

Summary I want to be notified when HTTPCode_ELB_5XX_Count is other than...

When using the AWS SDK (AWS SDK for Go v2) in Golang, you may want to retry the SDK call. There are...

I found a good way to write unit tests in AWS SDK for Go V2 without having to mock the interface, so...