AWS Developer Tools Blog

Category: Open Source

How customer feedback shaped the AWS Cloud Development Kit version 2

The DevOps movement has blurred the line between runtime code and infrastructure code, and it’s no surprise that engineers want to write both in the same language. This is why we created the AWS Cloud Development Kit (CDK), which enables you to define your cloud Infrastructure as Code (IaC) using the familiarity and expressive power […]

Read More

Testing CDK Applications in Any Language

The AWS Cloud Development Kit (AWS CDK) is an open source software development framework to define your cloud application resources using familiar programming languages. Because the AWS CDK enables you to define your infrastructure in regular programming languages, you can also write automated unit tests for your infrastructure code, just like you do for your […]

Read More

Experimental construct libraries are now available in AWS CDK v2

The AWS CDK v2 experimental APIs are now available as separate packages, in addition to the existing stable APIs. The AWS Cloud Development Kit (AWS CDK) is an open-source software development framework to model and provision your cloud application resources using familiar programming languages. With the AWS CDK, you can define your infrastructure as code […]

Read More
Screenshot of PackagePhobia showing install size reduction from 7.04 MB to 4.21 MB for STS Client of modular AWS SDK for JavaScript.

How we halved the publish size of modular AWS SDK for JavaScript clients

On December 15th, 2020, we announced the general availability of the AWS SDK for JavaScript, version 3 (v3). In v3, the modular packages reduce the bundle size of your application by ~75% as compared to that in AWS SDK for JavaScript, version 2 (v2). However, v3 had a large publish/install size for each modular package. In […]

Read More

Announcing new AWS SDK for Kotlin alpha release

We’re excited to announce the alpha release of the new AWS SDK for Kotlin! Kotlin is one of the most-loved languages amongst developers and now the AWS SDK for Kotlin makes it easy to call AWS services using idiomatic Kotlin APIs. You can use the native Kotlin language constructs you are used to, have mobile support […]

Read More

Introducing Amazon S3 Transfer Manager in the AWS SDK for Java 2.x

We are pleased to announce the Developer Preview release of the Amazon S3 Transfer Manager – a high level file transfer utility for the Amazon Simple Storage Service (Amazon S3) in the AWS SDK for Java 2.x. Using Transfer Manager’s simple API, you can now perform accelerated uploads and downloads of objects to and from […]

Read More
Node.js logo

Announcing the end of support for Node.js 10.x in the AWS SDK for JavaScript (v3)

Starting January 1, 2022, AWS SDK For JavaScript (v3) will no longer support Node.js 10.x which was EOL on April 30, 2021. We encourage you to upgrade to Node.js 12.x or later. We recommend Node.js 14.x which was released on April 21, 2020 and became active LTS on October 27, 2020. Motivation As Node.js 10.x version […]

Read More

Construct Hub Developer Preview

We are excited to announce the Construct Hub developer preview. It is a one-stop destination for finding, reusing and sharing constructs authored by AWS, AWS Partner Network partners, third parties, and the developer community. In the preview version of the website, we list constructs for Python and TypeScript programming languages. CDK constructs are cloud architecture building […]

Read More

Mocking modular AWS SDK for JavaScript (v3) in Unit Tests

The AWS SDK for Javascript team would like to highlight the open-source community and it’s contributions. Today we welcome a guest blog written by Maciej Radzikowski on aws-sdk-client-mock, a library that allows easy mocking of AWS SDK for JavaScript (v3). On December 15th, 2020, AWS announced the general availability of the AWS SDK for JavaScript, version 3 […]

Read More