Introduction to Docker and Kubernetes
Before starting to explore the world of applications deployed in IaaS and CaaS services, it is worth familiarizing ourselves with some basic concepts in order to understand how the different technologies interact in an ecosystem of microservices in the cloud. Thus, we will start by reviewing what containers and Docker container images are, and what Kubernetes is.
What is Docker?
Docker is a set of platforms and services that allow us, through the virtualization of the operating system, to decouple the dependency of applications to a particular infrastructure. We are able to execute our applications through units called containers, which encapsulate the entire application, together with the necessary dependencies, so that the applications can function properly in any environment.
What are containers and Docker container images?
A container is a unit of software that encapsulates all the code and dependencies necessary for an application...
