A detailed walkthrough explains how to build a complete DevOps platform using 11 microservices. The guide starts with Terraform to provision the AWS infrastructure, including a jumphost EC2 instance and VPC. It then migrates to Ansible for reliable configuration management, addressing initial automation failures. This establishes a solid foundation for the subsequent CI/CD and deployment stages.

The project deploys an e-commerce application onto an EKS cluster. Jenkins orchestrates the entire pipeline, handling everything from building Docker images and pushing them to ECR to executing Terraform plans. ArgoCD is then installed for GitOps, syncing the Kubernetes manifests to deploy the 11 services. This creates a fully automated workflow from code commit to production-ready infrastructure.

To ensure visibility, the guide integrates a robust monitoring stack. Prometheus scrapes metrics from the cluster, while Grafana provides visualization through custom dashboards. The author also recommends a custom tool, AWS CostWatch, to track spending in real-time. Finally, it details securing the setup with Route 53 and ACM for HTTPS traffic, completing the enterprise-grade platform.