As we start transitioning to microservice-based architectures, a question arises: What should I choose to make my service stable as well as easy to manage and deploy? The short answer is: Use Docker! In this article, Toptal Freelance DevOps Engineer Dmitriy Kononov gives you the long answer by introducing you to containers, explaining Kubernetes, and teaching you how to containerize and deploy an app to a Kubernetes cluster using CircleCI