Docker is a platform as a service for deploying applications in Docker containers. Containers are software "packages" that bundle together an application's source code with its libraries, configurations, and dependencies, helping software run more consistently and reliably on different machines. To start using Docker containers, you need to be familiar with Docker networking. Below, we'll answer the question: "What is a Docker network host?".

Kubernetes has emerged as a transformative force, reshaping the way organizations develop, deploy, and manage applications. Adoption of containers and Kubernetes has ballooned in the past years, as heralded by everyone from the Cloud Native Computing Foundation (CNCF) itself, to the vendors offering their Kubernetes wares, to the research firms that track trends in enterprise technology adoption.