Ian Lewis
 
Oct. 10, 2017
When checking out the nodes of your Kubernetes cluster, you may have noticed some containers called "pause" running when you do a `docker ps` on the node. $ docker ps CONTAINER ID IMAGE COMMAND ... [...]
 
Sept. 15, 2017
> For those that want to dive right in, I have put up a tutorial and some sample manifests on github. Check it out at https://github.com/IanLewis /kubernetes-bluegreen-deployment-tutorial Kubernetes has a really awesome built-in feature called [...]
 
Aug. 25, 2017
Recently I saw a tweet from the awesome Amy Codes (I really hope that's her real name) about Kubernetes Pods: > You know why containers in a pod are always scheduled together? It's cuz they're nested containers. Mind. Blown. > > -- Amy Co[...]
 
July 14, 2017
Gopher image Creative Commons Attribution 3.0 Unported (ja) by tenntenn Recently I wrote on Twitter about how doing CI right requires you to properly separate your build and run steps for your container images. > i.e. you have one Docker image[...]
 
July 11, 2017
This is the fourth post in a series on making smaller Docker images: static binaries. In the first post I talked about how to create smaller images by writing better Dockerfiles. In the second post I talked about how to squash layers using docke[...]
 
May 31, 2017
This is the third post in a series on making smaller Docker images. In the first post I talked about how to create smaller images by writing better Dockerfiles. In the second post I talked about how to squash layers using docker-squash to make s[...]
 
May 15, 2017
In a previous post I wrote about Kubernetes health checks. Since I'm a Python developer and a fan, I went about implementing it in Django. Health checks are a great way to help Kubernetes help your app to have high availability, and that include[...]
Dec. 6, 2016
For those of you that don't know there is a new Python API client in the kubernetes-incubator project: client-python. There has been some high quality Python clients like pykube, but client-python can serve as the official Python client. ## The[...]
 
Oct. 12, 2016
`kubeadm` is a new tool that is part of the Kubernetes distribution as of 1.4.0 which helps you to install and set up a Kubernetes cluster. One of the most frequent criticisms of Kubernetes is that it's hard to install. `kubeadm` really makes th[...]
 
Sept. 13, 2016
Kubernetes includes a feature called services which serve as a kind of load balancer for pods. When pods misbehave or otherwise stop working, sometimes you'll want to remove the pod from the service without killing the pod. ## Services & Endpoi[...]