REST API

MicroProfile 3.3 now available on Open Liberty 20.0.0.4, brings updated features, yum/apt-get support, pattern tracking

MicroProfile 3.3 now available on Open Liberty 20.0.0.4, brings updated features, yum/apt-get support, pattern tracking

Open Liberty 20.0.0.4 provides support for MicroProfile 3.3 which includes updates to MicroProfile Rest Client, Fault Tolerance, Metrics, Health, and Config. Improved developer experience is also achieved with support for yum/apt-get installs and the ability to track use patterns with JAX-RS 2.1.

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Operator pattern: REST API for Kubernetes and Red Hat OpenShift

Operator pattern: REST API for Kubernetes and Red Hat OpenShift

In this article, we will see a similar pattern when writing the REST API in any known framework vs. writing an Operator using Kubernetes’ client libraries. The idea behind this article is not to explain how to write a REST API, but instead to explain the internals of Kubernetes by working with an analogy.

Local setup

To follow along, you will need the following installed:

As a developer, if you have used the REST API with frameworks like Quarkus/Spring (Java), Express (Nodejs), Ruby on Rails, Flask (Python), Golang (mux), etc., understanding and writing an operator will be easier for you. We will use this experience with other languages or frameworks to build our understanding.

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