Docker, a provider of cloud-native application development tools, content, and services for developers, completed the acquisition of Insight Partners-backed AtomicJar, an integration testing platform that enables developers to build databases and web frameworks more efficiently. Financial terms were not disclosed. “With its support for Java, .NET, Node.js, and other programming languages together with its container-based testing automation, Testcontainers has become the de facto standard test framework for the developer’s ‘inner loop’,” Scott Johnston Docker CEO.