Book Image

Kubernetes for Serverless Applications

By : Russ McKendrick
Book Image

Kubernetes for Serverless Applications

By: Russ McKendrick

Overview of this book

Kubernetes has established itself as the standard platform for container management, orchestration, and deployment. It has been adopted by companies such as Google, its original developers, and Microsoft as an integral part of their public cloud platforms, so that you can develop for Kubernetes and not worry about being locked into a single vendor. This book will initially start by introducing serverless functions. Then you will configure tools such as Minikube to run Kubernetes. Once you are up-and-running, you will install and configure Kubeless, your first step towards running Function as a Service (FaaS) on Kubernetes. Then you will gradually move towards running Fission, a framework used for managing serverless functions on Kubernetes environments. Towards the end of the book, you will also work with Kubernetes functions on public and private clouds. By the end of this book, we will have mastered using Function as a Service on Kubernetes environments.

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Table of Contents (13 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
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1
The Serverless Landscape
The Serverless Landscape
Serverless and Functions as a Service
Public cloud offerings
The serverless toolkit
Problems solved by serverless and Functions as a Service
Summary
2
An Introduction to Kubernetes
An Introduction to Kubernetes
A brief history of Kubernetes
An overview of Kubernetes
Kubernetes use cases
References
Summary
3
Installing Kubernetes Locally
Installing Kubernetes Locally
About Minikube
Installing Minikube
Minikube commands
Hello world
References
Summary
4
Introducing Kubeless Functioning
Introducing Kubeless Functioning
Installing Kubeless
Kubeless overview
Hello world
Twitter example
The Kubeless serverless plugin
Summary
5
Using Funktion for Serverless Applications
Using Funktion for Serverless Applications
Introducing Funktion
Installing and configuring Funktion
Deploying a simple function
Twitter streams
Summary
6
Installing Kubernetes in the Cloud
Installing Kubernetes in the Cloud
Launching Kubernetes in DigitalOcean
Launching Kubernetes in AWS
Launching Kubernetes in Microsoft Azure
Launching Kubernetes on the Google Cloud Platform
Summary
7
Apache OpenWhisk and Kubernetes
Apache OpenWhisk and Kubernetes
Apache OpenWhisk overview
Running Apache OpenWhisk locally
Running Apache OpenWhisk on Kubernetes
Summary
8
Launching Applications Using Fission
Launching Applications Using Fission
Fission overview
Installing the prerequisites
Running Fission locally
Fission commands
Running Fission in the cloud
Some more examples
Summary
9
Looking at OpenFaaS
Looking at OpenFaaS
An introduction to OpenFaaS
Running OpenFaaS locally
Summary
10
Serverless Considerations
Serverless Considerations
Security best practices
Monitoring Kubernetes
Summary
11
Running Serverless Workloads
Running Serverless Workloads
Evolving software and platforms
Why Functions as a Service on Kubernetes
Fixed points
Summary
12
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Installing Kubernetes in the Cloud

So far, we have been running Kubernetes on our local machines. This does have some drawbacks, one of which is processing power. We are going to start looking at some more complex and powerful frameworks, so we need some additional power. Because of this, we are going to look at installing Kubernetes on a few different public clouds, each time using a different tool:

  • Launching Kubernetes in DigitalOcean
  • Launching Kubernetes in AWS
  • Launching Kubernetes in Microsoft Azure
  • Launching Kubernetes on the Google Cloud Platform

We will then take a look at the differences between public cloud providers and look at installing Kubeless on one of the platforms.

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