Set up Docker Registry and an UI

In this story, we will install Docker Registry on a VM and the cloud…

The Agile game “Penny Game” to observe the influence of the batch size of tickets on a Kanban board

If you notice that your Dev Agile team is struggling to focus on a small number of tickets on the Kanban board (this is called Work In Progress), you can play…

The principles of DevOps with “The Three Ways”

Today, I talk about the DevOps Three Ways approach. This three-way idea comes from an article in Gene Kim’s blog (“The Three Ways, The Principles Underpinning DevOps”).

Create a CloudFront distribution with Terraform (AWS)

In this story, we will create a CloudFront distribution of a S3-hosted website.

Defining specifications

Cheat Sheet for DevOps: .gitlab-ci.yml (GitLab)

In this series, I proposes cheatsheets for DevOps . This one is about the .gitlab-ci.yml file of GitLab.

Pipeline structure

Use Ansible and Packer to create a Docker image

To create a Docker image, you usually use Docker CLI with the docker build command. One of the advantages is that this command creates one layer per line of the Dockerfile.
However, when you create several Docker images with common code, it may be…

Monitoring your infrastructure, one of the pillars of DevOps … and Agile … with Nagios

Having a solution of Continuous Integration and Continuous Delivery is very good. It’s even a prerequisite for an Agile team. But we must ensure that it is operational and that…

Use git submodules to share files between multiple git repositories

In this series, I show how to use submodules in git to share files between multiple git repositories.

First, let’s setup the DemoSubModule and the DemoModule repositories.