Learn jq by Example If you work with JSON, jq is the fastest way to filter, transform, and query it from the command line. This guide is hands-on: it starts with a sample JSON file so you can copy...

Kubernetes Observability and Debugging Why Observability Matters Running an application on Kubernetes adds layers of abstraction between you and your code — containers, pods, nodes, controllers, ...

Migrating a Production Kubernetes Workload from GCP to Azure After running our infrastructure on Google Cloud for years, we recently completed a full production migration to Azure. This post walks...

GitHub Actions Motivation Before GitHub Actions, setting up automation meant: Signing up for a separate service (CircleCI, Jenkins, Travis CI) Connecting it to GitHub via webhooks Managing...

The Story of Shipping Code — A CI/CD Tale Chapter 1: The Dark Ages (Before CI/CD) Meet Arjun. He’s a backend engineer at a startup. It’s 2015. Every Friday, the team manually deploys. Arjun ha...

Terraform Mid-Level Interview Qs Q1. Walk me through the Terraform workflow terraform init downloads and installs provider plugins into .terraform/, stores their hashes in .terraform.lock.hcl f...

terraform init Initialize working directory, download providers/modules, configure backend. terraform fmt Format configuration files to canonical style. terraform validate Validate syntax and ...

What are state files in Terraform? A state file stores the current state of infrastructure managed by Terraform It keeps track of resources Terraform has created and their attributes Terraf...

Problem How to create a AWS S3 bucket with some specific configuration? There will be 3 main approaches to the problem: Take help of UI. You click bunch of button in the AWS console and set it...

AWS Config, Organizations, VPC Deep Dive & Security Services Mid-Level SRE/DevOps/Platform Interview Notes 1. AWS Config What It Solves CloudTrail tells you who made an API call and when. ...