--- title: "Koil Raj (@koilraj) | Hashnode" description: "DevOps Engineer. Read the latest articles by Koil Raj on Hashnode." url: "https://hashnode.com/@koilraj" --- @koilraj # Koil Raj @koilraj · Joined October 2025 DevOps Engineer ### [Part 5 - Deploying a Simple Application on Amazon EKS using Kubernetes Manifests](https://koilraj.hashnode.dev/part-5-deploying-a-simple-application-on-amazon-eks?utm_source=hashnode&utm_medium=feed) In the previous part, we deployed essential Kubernetes add-ons — AWS Load Balancer Controller, Cluster Autoscaler, and Metrics Server — using Terraform Helm releases.👉 Read Part 4 – EKS Add-ons Deployment with Terraform & GitHub Actions Now, in Part... 5 min read · [koilraj.hashnode.dev](https://koilraj.hashnode.dev/part-5-deploying-a-simple-application-on-amazon-eks?utm_source=hashnode&utm_medium=feed) [Oct 28, 2025](https://hashnode.com/posts/part-5-deploying-a-simple-application-on-amazon-eks/6900e9beb4af90c4bae59bc4) ### [Part 4 – EKS Add-ons – AWS Load balancer controller, Autoscaler, Metrics Server](https://koilraj.hashnode.dev/deploying-eks-add-ons-aws-load-balancer-controller-autoscaler-metrics-server?utm_source=hashnode&utm_medium=feed) In the previous part, we provisioned a production-grade Amazon EKS cluster using Terraform and automated it using GitHub Actions.👉 Read Part 3– EKS Setup with CI/CD 🔗GitHub URLs containing the infrastructure code👉 GitHub Repo - For EKS addon Creat... 12 min read · [koilraj.hashnode.dev](https://koilraj.hashnode.dev/deploying-eks-add-ons-aws-load-balancer-controller-autoscaler-metrics-server?utm_source=hashnode&utm_medium=feed) [Oct 23, 2025](https://hashnode.com/posts/deploying-eks-add-ons-aws-load-balancer-controller-autoscaler-metrics-server/68fa0cc88c0f75f0160a3d99) ### [Part 3 – EKS Cluster Provisioning using Terraform Modules](https://koilraj.hashnode.dev/part-3-eks-cluster-provisioning-using-terraform-modules?utm_source=hashnode&utm_medium=feed) In the previous parts, we designed and deployed the foundational VPC setup for our EKS cluster using Terraform.👉 Read Part 2 – Automating VPC Setup via GitHub Actions 🔗GitHub URLs containing the infrastructure code👉 GitHub Repo - For EKS Creation�... 17 min read · [koilraj.hashnode.dev](https://koilraj.hashnode.dev/part-3-eks-cluster-provisioning-using-terraform-modules?utm_source=hashnode&utm_medium=feed) [Oct 21, 2025](https://hashnode.com/posts/part-3-eks-cluster-provisioning-using-terraform-modules/68f751b06b45cad727593459) ### [Part 2 - Automating VPC Setup via GitHub Actions](https://koilraj.hashnode.dev/vpc-setup-with-github-actions?utm_source=hashnode&utm_medium=feed) 🔗 This is Part 2 of my blog series on building a production-grade EKS cluster using Terraform.👉 Read Part 1 – Overview & Architecture 🔗GitHub URLs containing the infrastructure code👉 GitHub Repo - For VPC Creation👉GitHub workflow - For VPC Creat... 8 min read · [koilraj.hashnode.dev](https://koilraj.hashnode.dev/vpc-setup-with-github-actions?utm_source=hashnode&utm_medium=feed) [Oct 20, 2025](https://hashnode.com/posts/vpc-setup-with-github-actions/68f6951f98e00f8f35ce43b3) ### [Part 1 - Building a Production-Grade Kubernetes Cluster on AWS Using Terraform](https://koilraj.hashnode.dev/building-a-production-grade-kubernetes-cluster-on-aws-using-terraform-part-1-overview?utm_source=hashnode&utm_medium=feed) This is Part 1 of a multi-part series where I walk through building a production-grade EKS (Elastic Kubernetes Service) cluster on AWS using Terraform, with full CI/CD automation with manual approval and best practices for real-world deployments. �... 4 min read · [koilraj.hashnode.dev](https://koilraj.hashnode.dev/building-a-production-grade-kubernetes-cluster-on-aws-using-terraform-part-1-overview?utm_source=hashnode&utm_medium=feed) [Oct 20, 2025](https://hashnode.com/posts/building-a-production-grade-kubernetes-cluster-on-aws-using-terraform-part-1-overview/68f67a10cbddc8a40f7e3aa9)