DrupalCon Seattle 2019: Everything I know about Kubernetes I learned from a cluster of Raspberry Pis

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In 2014, I built the first version of the Raspberry Pi Dramble—a cluster of Raspberry Pi single-board computers which ran Drupal 8.

In 2017, I started migrating the cluster to use Kubernetes, running Drupal as a scalable, highly-available application on top of Kubernetes.

In this presentation, I'll present the new Kubernetes-driven version of the Raspberry Pi Dramble cluster (in person!), and I'll walk through the decision behind switching to Kubernetes, risks and common pitfalls encountered when running Drupal on Kubernetes, and how you can set up your own scalable Kubernetes cluster—either on Raspberry Pis or on some VMs running on your computer!

Before coming to this presentation, you should know:

Basic server administration.
How to build a simple Drupal 8 website.
You will learn:

How to deploy Kubernetes to a set of Raspberry Pis (or VMs).
Why you might not want to deploy Kubernetes to a set of Raspberry Pis.
How to deploy Drupal 8 to a Kubernetes cluster.
How to evaluate whether Kubernetes is right for your Drupal websites.
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I didn't even feel that and it was 30 minutes. That is an excellent presentation. Very inspiring.

PowerMechGuyTechMasterEarl
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I loved everything, from the way you explained the K8s management, the example itself (the hosting, recovery, balancing), all the way to the witty jokes surrounding the sticker giveaway! Thank you very much!

theninjabay
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All I hear is white noise, are there any reuploads?

piotrgenderka
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Strangely, the audio seems to be about 1 second behind the video; makes the Close Encounters bit a little funky.

JeffGeerling
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The audio is very badly encoded and delayed. Maybe try to reupload if the source plays fine.

adrutu
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Do you have to buy a PoE Hat for all the four PIs?

hugofernandez
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There doesn't appear to be any audio.

BigHonkinGoose
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Can you mix ram in the cluster .. say one 4g with 3 2g flavors?

LCSRacing
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Now all you need is a $20 microphone 😬

Juancholoco
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The video is awesome. Can you share the ansible file and the hardware that you use to build K8s cluster, thanks

wqxpnnr