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Cloud Native Programming with Golang

You're reading from   Cloud Native Programming with Golang Develop microservice-based high performance web apps for the cloud with Go

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Product type Paperback
Published in Dec 2017
Publisher Packt
ISBN-13 9781787125988
Length 404 pages
Edition 1st Edition
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Authors (2):
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Martin Helmich Martin Helmich
Author Profile Icon Martin Helmich
Martin Helmich
Mina Andrawos Mina Andrawos
Author Profile Icon Mina Andrawos
Mina Andrawos
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Toc

Table of Contents (13) Chapters Close

Preface 1. Modern Microservice Architectures 2. Building Microservices Using Rest APIs FREE CHAPTER 3. Securing Microservices 4. Asynchronous Microservice Architectures Using Message Queues 5. Building a Frontend with React 6. Deploying Your Application in Containers 7. AWS I – Fundamentals, AWS SDK for Go, and EC2 8. AWS II–S3, SQS, API Gateway, and DynamoDB 9. Continuous Delivery 10. Monitoring Your Application 11. Migration 12. Where to Go from Here?

Introduction to Kubernetes


One of the most prominent container orchestrators is Kubernetes (which is Greek for helmsman). Kubernetes is an open source product originally developed by Google and now owned by the Cloud Native Computing Foundation.

The following diagram shows the basic architecture of a Kubernetes cluster:

The central component of each Kubernetes cluster is the master server (which, of course, does not have to be an actual single server. In production setups, you will often have multiple master servers that are configured for high availability). The master server stores the entire cluster state in an end data store. The API Server is the component that offers a REST API that can be used by both internal components (such as the scheduler, controllers, or Kubelets) and external users (you!). The scheduler tracks available resources on the individual nodes (such as memory and CPU usage) and decides on which node in the cluster new containers should be scheduled. Controllers are...

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