How to Deploy Docker Apps to Amazon ECS Using GitLab with Blue/Green Deployment

If you’re building containerized apps and want zero-downtime deployments, GitLab CI/CD with Amazon ECS Fargate and Blue/Green deployments is a powerful combo. In this step-by-step guide, we’ll show you how to deploy a Docker app using GitLab pipelines, Amazon CodeDeploy, and ECS Fargate — with smooth traffic shifting and health-based validation. Why ECS Fargate with […]

How to Deploy AWS ECS Service with Load Balancer and Expose a Custom Port

If you’re working with Amazon ECS and want to expose your containerized app to the internet via a Load Balancer, you’re in the right place. In this guide, I’ll walk you through the exact steps to deploy your ECS service with an Application Load Balancer (ALB) and expose a custom port, like 8080, using either […]

How to scale nodes using NodePool and NodeClass in Karpenter EKS

Last updated on May 7th, 2025 at 08:29 amIf you’re running Kubernetes on AWS Elastic Kubernetes Service (EKS) and looking for a smarter way to handle automatic scaling, Karpenter is your new best friend. It dynamically provisions just the right compute resources when your cluster needs them—no manual intervention, no overprovisioning. Karpenter streamlines Kubernetes infrastructure […]

Step-by-Step Guide to Configure Webpage Caching with Istio & Envoy

Last updated on February 27th, 2025 at 07:16 amModern applications need to be fast—but constant trips to backend databases or APIs can grind performance to a halt. In this step-by-step guide to configure caching with Istio & Envoy, you’ll learn how to store frequently accessed data closer to users, eliminating delays and ensuring your app stays lightning-fast. […]

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