Kubernetes Versus Docker — DevOps Using Kubernetes, Docker

Kubernetes versus Docker — A topic that has been discussed numerous times in the cloud industry. Irrespective of your technical or non-technical background, this article will help you understand the key differences and help you with your business decision if you were to make one.

To put things in perspective, “Kubernetes or Docker?” — it is like comparing apples to oranges. Both can function without each other, however, can benefit greatly from each other.

Both Kubernetes and Docker are essential tools for a developer. We can also build DevOps Using Jenkins, Docker, and Kubernetes. Both Kubernetes and Docker help developers package applications into containers to run them in different environments.

Kubernetes is an open-source container-orchestration system for automating computer application deployment, scaling, and management.

It aims to provide a “platform for automating deployment, scaling, and operations of application containers across clusters of hosts”.

It works with a range of container tools and runs containers in a cluster, often with images built using Docker. Kubernetes originally interfaced with the Docker runtime through a “Dockershim”.

Many cloud services offer a Kubernetes-based platform or infrastructure as a service (PaaS or IaaS) on which Kubernetes can be deployed as a platform-providing service.

Docker is a set of platforms as a service (PaaS) product that use OS-level virtualization to deliver software in packages called containers.

Containers are isolated from one another and bundle their own software, libraries, and configuration files; they can communicate with each other through well-defined channels.

Docker can package an application and its dependencies in a virtual container that can run on any Linux, Windows, or macOS computer.

This enables the application to run in a variety of locations, such as on-premises, in a public cloud, and/or in a private cloud.

Docker implements a high-level API to provide lightweight containers that run processes in isolation.

According to Grand View Research, the global application container market size was valued at USD 1.5 billion in 2018 and is expected to register a CAGR of 26.5% from 2019 to 2025.

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