cloud. Amazon Web Services launched its Elastic Compute Cloud (EC2) in 2006, letting clients scale their infrastructure on demand. EC2 soon became popular, creating a new widespread problem: Administrators idempotency, which refers to a change that can be applied over and over again with identical results. For instance, a command that updates a field in a database to a fixed value can be issued multiple times safely manages the complete deployment using one system. This is close to what most people are used to; for instance, the pop- ular Jenkins tool mentioned earlier owns the entire process. In this model, the GitOps

companies, and sole traders. The FinTech runs Kubernetes on Amazon Elastic Cloud Compute (Amazon EC2) instances using Amazon EKS. To keep the Mettle application running and ensure that all services are

Part 1: Spin up a Kubernetes Cluster Part 2: Fork the Sock Shop Repository Part 3: Setup CI and Connect a Container Registry Part 4: Let’s Get Started with GitOps Further Resources 11 three Ubuntu instances with the following specifications: • Ubuntu 16.04 • 4GB or more of RAM per instance 2. Set up Kubernetes with kubeadm Kubeadm is by far the simplest way to set up a Kubernetes cluster eBook 20 8. Install and Launch the Weave Cloud Agents Sign up for Weave Cloud and create a new instance. Weave Cloud instances are the primary workspaces for your application and provides a view onto

cases where you need to deploy things in a specific order ○ Subscribe Operator before deploying instance ○ Create namespace/project before deploying application into it ○ Deploy required infrastructure