This open source project provides hands-on materials on different aspects of working in the clouds like AWS and GCP.
Why you should never ever use NixOS
I’ll start my article from the biggest myth about NixOS. And soon you’ll know why. DevOps-friendly. Declarative specs and safe upgrades make NixOS a great system for DevOps use. NixOps, the NixOS cloud deployment tool, allows you to provision and manage networks of NixOS machines in environments like Amazon EC2 and VirtualBox.
AWS CloudFormation. Managing VPC
CloudFormation is the service which provides us an ability to create and manage any AWS infrastructure “as code” in a fully declarative way using a single or multiple files as a source of truth for your cloud environment. Usually it is not needed to understand it very deeply to pass AWS Associate Certification exams, but it is very important to use it on a daily basis especially for Solution Architects.
CloudFormation. How to access CodeCommit repo from EC2 instance
It is a very common task to pull your application code to EC2 instances from the Git repository. If you’re using CodeCommit as your main Git repository and CloudFormation for infrastructure management, it is very easy to launch an instance and allow it to access to that repository without storing any credentials or keys inside of it.
How to put AWS EC2 Tags to environment variables
One of the most common tasks in infrastructure automation is environment discovery. Of cause, it can be done in many several ways. Todays’s advice is for people, who are using Terraform or CloudFormation in their daily job. I’ll show you, how to provide discovery information to you EC2 instances using AWS Tags.