csuttles (⌐■_■)

Memento Mori

I just passed the CNCF (Cloud Native Computing Foundation) CKA (Certified Kubernetes Administrator) exam. Here's some information about how I prepared for the exam and a few tips for people interested in taking the exam. Starting From Scratch For folks who are totally unfamiliar with k8s, edX offers a free, self paced course, which is a great place to start. There's also a list of online training available in the official k8s docs.

This post takes a look at using Hashicorp's Vault to manage secrets for SSH authentication. For this post, I started working with Vault pretty quickly via this docker-compose setup I found via GitHub. It's a very quick way to get a Vault instance with a Consul backend. You'd never do this for production, since they are single instances, but for functional testing, it's enough. Requirements What are we trying to accomplish?

This post will explore publishing a very simple Docker image to Docker Hub in a simple CI pipeline. I used a couple similar posts and documentation for reference while setting this up: Building your first Docker image with Jenkins 2: Guide for developers How To Build Docker Images Automatically With Jenkins Pipeline Using a Jenkinsfile You can find my repository for this post here: https://github.com/csuttles/dockerci Overview The CI pipeline built in this post is something like this: