Kubernetes – Hosted platforms

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There are several options available for hosted Kubernetes in the cloud. These Platforms as a service (PaaS) can provide a stable operating model as you push towards production. Here’s an overview of the major PaaSes provided by Amazon, Microsoft, and Google.

Amazon Web Services

Elastic Container Service (ECS) has just been launched as of the time of this chapter’s writing. AWS is¬†preparing a networking plugin to differentiate itself from other offerings, called the vpc-cni. This allows for pod networking in Kubernetes to use Elastic Network Interfaces (ENIs) on AWS. With ECS, you do have to pay for manager nodes, which is a different path to that taken by Microsoft and Google. ECS’ startup procedure is also currently more complex and doesn’t have single-command creation via the CLI.

Microsoft Azure

The Azure Container Service is the second longest running hosted Kubernetes service in the cloud after the Google Kubernetes Engine. You can use Azure templates and the Resource Manager to spin up clusters with Terraform. Microsoft offers advanced networking features, integration with Azure Active Directory, and monitoring as its standout features.

Google Kubernetes Engine

The Google Kubernetes Engine is another excellent option for running your containerized workloads. At the time of writing, it’s considered to be one of the most robust offerings.¬† GKE is able to autoscale the cluster size, while AWS and Azure offer manual scaling. GKE offers a one-command start, and is the fastest to provision a Kubernetes cluster. It also offers an Alpha Mode where you can try bleeding edge features in the alpha channel releases. GKE provides high availability in zones and regions, the latter of which spreads out master node zones to provide best-in-class high availability.

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