Kubernetes

Kubernetes, also known as K8s, is a container orchestration service by Google.
It supposedly has a harder learning curve than docker-swarm but is heavily inspired by Google's internal borg system.

Getting Started

Background

Kubernetes runs applications across nodes which are physical or virtual machines.
Each node contains a kubelet process, a container runtime (e.g. Docker), and possibly one or more pods.
Pods contain resources needed to host your application including volumes and one or more containers.

Installation

For local development, you can install minikube.
Otherwise, install kubeadm.

kubectl

pods

kubectl get pods
kubectl describe pods

proxy

kubectl proxy

containers

kubectl logs $POD_NAME
kubectl exec -it $POD_NAME -- bash

Resources

• Kubernetes Basics
• Scalable Microservices with Kubernetes Udacity Course
  • Lesson 2 is on Docker and lessons 3-4 are on Kubernetes.