Containers are meant to provide component isolation in a modern software stack. Put your database in one container, your web application in another, and they can all be scaled, managed, restarted, and ...

Sometimes, you only need one container, because all you need is one instance of an app. But sometimes you need cluster of containers that can respond to changes in demand, and that can be upgraded ...

Docker uses a persistent background service, dockerd, to manage container lifecycles. The CLI communicates with this daemon, which supervises container creation, networking, and resource allocation.

Dive into multi-stage Docker builds in day 3 of this CKA Full Course! Learn how to streamline your Docker images, reduce size, and optimize your builds. Perfect for beginners looking to master Docker ...