Docker containers are launched using Docker images, which are built from layers of Dockerfiles. A Dockerfile is a text document that contains all the commands or instructions to create, copy, and run an image. Let’s look at what goes into creating a Dockerfile, which could be used to build a runnable Docker image.

Kubernetes is an object-oriented framework for orchestration of Docker containers. While running basic Kubernetes objects like pods and services is essential to all Kubernetes applications, what controller to use should be based on several factors. Let’s explore some advanced controller options for additional features.

Ensuring that quality is advocated for at every step along the lifecycle can be tough. One easy response is, “Quality is everyone’s job”—after all, whole-team accountability is a key tenet of agile. But what does this really mean in practice? What approaches and roles help us embrace a culture of quality engineering?