In January 2021, we announced that starting with version 7.11, we would be changing the Apache 2.0 portions of Elasticsearch and Kibana source code to be dual licensed under Elastic License and SSPL, at the users’ discretion. As part of that change, we created Elastic License 2.0 (ELv2) as a permissive, fair-code license, which allows free use, redistribution, modification, and derivative works, with only three simple limitations, outlined in our original announcement.

Adding an API Gateway to your application is a good way to centralize some work you usually have to do for all of your API routes, like authentication or validation. But like every software system, it comes with its own problems. Solving errors in the cloud isn’t always straightforward, and API Gateway isn’t an exception. AWS API Gateway is an HTTP gateway, and as such, it uses the well-known HTTP status codes to convey its errors to you.

Cerner Corp. is a supplier of healthcare information technology systems, services, and devices. The company, with $5.7 billion in annual revenue, empowers people and communities to engage in their own care. A key aspect of the business is surfacing data to enable their clients to make informed decisions about their healthcare. The 29,000 Cerner employees in 30 countries are on a mission to shape the healthcare of tomorrow.

Welcome to the first edition of Open Source Matters: our regular publication about the latest happenings in open source! Let’s dive into the news.

Here are the articles, videos, and tools that we’ve been excited about this May. We hope you enjoy these links, and we look forward to hearing what you’ve been reading in the comments or on the Interrupt Slack.

In the digital age, the speed and performance of apps and websites have a huge impact on the customer experience. To ensure a high level of quality, Application Performance Monitoring (APM) refers to the process of tracking the performance and availability of software systems. Let’s look at what Application Performance Monitoring is, how AI and machine learning are being applied to stay ahead of the competition, and several real-world use cases.

Argo Rollouts, part of the Argo project, recently released their 1.0 version. You can see the changelog and more details on the Github release page. If you are not familiar with Argo Rollouts, it is a Kubernetes Controller that deploys applications on your cluster. It replaces the default rolling-update strategy of Kubernetes with more advanced deployment methods such as blue/green and canary deployments.

Plenty of tools make it easy for you to discover existing APIs and create new APIs that integrate essential parts of your IT infrastructure. However, using an API to connect two or more assets doesn’t ensure that you get excellent performance.