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DevOps Directive


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Recent Posts:

Velero AWS Account Migration [Case Study]

November 15, 2023
Categories:
Case Study
Tags:
AWS

TL;DR: I recently helped an organization migrate a set of applications deployed in Kubernetes (EKS) across AWS accounts using Velero. This case study describes that process.

images/account-structure.png
Please start with multiple AWS accounts so you don't have to hire someone like me to help with this! 🙏



Container Init Process

June 2, 2023
Categories:
Deep Dive
Tags:
Containers

TL;DR: When deploying applications in containers, understanding the role and implications of the init process is critical. In this article, we’ll delve into how our application runs as Process ID #1 in a container, and what this means for our application’s signal handling and zombie process management.

images/init-process-diagram.jpg
To init or not to init, that is the question...









Kubernetes Maintenance Page

October 30, 2022
Categories:
Tutorial
Tags:
Kubernetes

TL;DR: Need to set up a quick maintenance page for a service hosted in Kubernetes? You can create a custom page and host it with nginx without even needing a custom container image!

A gist containing the full code can be found here: LINK

images/maintenance-page-screenshot.png



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