Название: The Kubernetes Book 2023 EditionАвтор: Nigel Poulton
Издательство: Leanpub
Год: 2023-01-31
Страниц: 291
Язык: английский
Формат: pdf (true), epub
Размер: 32.1 MB
This is a book about Kubernetes - no prior knowledge required!
Containers are here and resistance is futile! Now that people are getting their heads around Docker, they need an orchestration platform to help them manage their containerized apps. Kubernetes has emerged as one of the hottest and most important container orchestration platforms in the world. This book gets you up to speed fast! It's designed to teach you the theory and the practical as fast as possible so that you can hit the ground running with your first Kubernetes deployment.
Kubernetes is an application orchestrator. For the most part, it orchestrates containerized cloud-native microservices apps. That’s a lot of buzzwords, so let’s take some time to clarify some jargon.
What is an orchestrator? An orchestrator is a system that deploys and manages applications. It can deploy your applications and dynamically respond to changes. For example, Kubernetes can:
• Deploy your application
• Scale it up and down dynamically based on demand
• Self-heal it when things break
• Perform zero-downtime rolling updates and rollbacks
• Lots more…
And the best part about Kubernetes… it does all of this orchestration without you having to supervise or get involved. Obviously, you have to set things up in the first place, but once you’ve done that, you sit back and let Kubernetes work its magic.
A containerized application is an app that runs in a container. Before we had containers, applications ran on physical servers or in virtual machines. Containers are just the next iteration of how we package and run apps. As such, they’re faster, more lightweight, and more suited to modern business requirements than servers and virtual machines.
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