This document provides an introduction and overview of Kubernetes. It begins with introducing the presenter and their background. It then covers the history and origins of Kubernetes at Google, provides a definition and explanation of Kubernetes and some of its key features like container orchestration, horizontal scaling, rolling deployments and rollbacks, self-healing, and service discovery. It demonstrates Kubernetes concepts like pods, deployments, services and how they relate. It also briefly mentions some advanced Kubernetes topics before opening for questions.

1. Getting started with
Kubernetes
@rorypreddy

2. Meet Rory
• Developer in R&D team at BBD
– Training for 700 Developers
– Most Languages & Frameworks
• Organizer for the Java, Kotlin and AWS User
groups
• Not related to Tyrion Lannister
• Don’t do kids parties
@rorypreddy

3. Agenda
• Introduction
• Kubernetes Basics
• Demo
• Getting Fancy
• Questions?

5. Google Borg
• 2003 – Borg Created
• 2013 - Borg 2 (Google Omega)
• 2014 - Borg 3 (Kubernetes)
Each week, starts over two billion
containers

6. Kubernetes
κυβερνήτης
Greek for "helmsman" or "pilot"

7. K8s
K ubernete s
C8s
C ontainer s

8. Virtual Machines Docker Containers
What is a Docker container?

10. Kubernetes features
• Container orchestration
• Horizontal scaling
• Rolling deployments and rollbacks
• Self healing
• Service discovery and load
balancing

12. Google Kubernetes API
Ubuntu

17. Master
etcd API Server
Scheduler
Controller
Manager
Node
Node
Kublet Docker
Kublet Docker
Kubectl

18. Provisioned machines (called Nodes)

19. Master Master Etcd Etcd Etcd
Control Plane
Workers

20. Docker
Registry
A
Master Master Etcd Etcd Etcd
Control Plane
Workers

21. Docker
Registry
Master Master Etcd Etcd Etcd
Control Plane
Workers
2xA, pls

22. Docker
Registry
Master Master Etcd Etcd Etcd
Control Plane
Workers
A
A

23. • Pods
• Deployments
• Services

24. PODS
Pod
Master

25. PODS
Docker
Port

26. DEPLOYMENTS
Pod
v1
Master
Pod
v1
Pod
v2

27. Deployments
How Many
Version
Label

28. Services
Pod
v1
Master
Pod
v1
Pod
v2
Service
Redis Pod
v1
Redis
Service

29. Type
Services
Kind

31. GETTING FANCY

32. Volumes
AWS Block Store

33. Autoscaling

34. ADVANCED KUBERNETES
• Container-level features
• Sidecar containers
• Init containers
• Pod configuration
• Taints and Tolerations
• Downward API
• Pod Presets
• Federated cluster objects

36. Questions?
• Official Examples - https://github.com/kubernetes/examples
• Kubernetes examples Project - http://kubernetesbyexample.com
• Swarm & K8 - https://github.com/dockersamples/k8s-wordsmith-demo
@rorypreddy