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The latest News and Information on Containers, Kubernetes, Docker and related technologies.

Introducing our brand new (and free!) Calico Azure Course

Calico Open Source is an industry standard for container security and networking that offers high-performance cloud-native scalability and supports Kubernetes workloads, non-Kubernetes workloads, and legacy workloads. Created and maintained by Tigera, Calico Open Source offers a wide range of support for your choice of data plane whether it’s Windows, eBPF, Linux, or VPP. We’re excited to announce our new certification course for Azure, Certified Calico Operator: Azure Expert!

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How to Test Microservices in Kubernetes

In this article, you will learn about some of the tools to test microservices running in a Kubernetes cluster. In particular, we will compare the Speedscale CLI tool with other tools and the main benefits of using Speedscale CLI. In the last few years, software companies have been shifting from building monolith applications to utilizing smaller microservices. In a microservices architecture, you operate with decentralized applications. This means that there's a separation in which each service is responsible for a specific component of your application.

Kubernetes Health Checks: Everything You Need to Know

When you’re using an application or tool, it’s very important to make sure things are working as they should. For this reason, health checks are critical. A health check is when an application or tool checks its own components and dependencies, then either publishes or exposes a notification method if there is a problem.

Docker image versus container: What are the differences?

If you are new to Docker, you may find it challenging to understand all the terms. It can seem like everyone has a different idea of what Docker terms mean, and sometimes, terms get used interchangeably. For instance, you — like others who are learning about Docker — may wonder how a Docker image differs from a Docker container. Their contrasts are subtle but significant.

Secure Supply Chain: Verifying Image Signatures in Kubewarden

After these last releases Kubewarden now has support for verifying the integrity and authenticity of artifacts within Kubewarden using the Sigstore project. In this post, we shall focus on verifying container image signatures using the new verify-image-signatures policy. To learn more about how Sigstore works, take a look at our previous post