@jaswanthkumar

Step-by-step implementation for deploying a modern, serverless, three-tier application on AWS

Nov 24, 2025 · 6 min read · This guide provides the step-by-step implementation for deploying a modern, serverless, three-tier application on AWS Frontend (Presentation Tier): AWS Amplify Backend (Application Tier): AWS Lambda (Python) API Layer: Amazon API Gateway Database...

Serverless: The Ultimate Cloud Cost Saver, or an Optimization Trap? A Deep Dive into AWS Billing

Nov 17, 2025 · 5 min read · Introduction: The Cloud Cost Puzzle With cloud cost optimization being a priority for most organizations, the serverless approach, where AWS fully manages compute resources appears attractive. Yet this raises an important question: given the lack of ...

What is In-place resizing in k8s and how to implement

Sep 18, 2025 · 4 min read · In-place resizing is a Kubernetes feature that allows you to change the CPU and memory resources of a running pod without needing to restart it. The feature is enabled by default in Kubernetes v1.33 and later and is a major improvement over the old m...

AWS Systems Manager (SSM) Automation documents & How to Utilize at the most

Sep 12, 2025 · 4 min read · AWS Systems Manager (SSM) Automation documents are powerful tools for optimizing cloud costs by automating routine, manual, and repetitive tasks. By using these documents, you can enforce cost-saving policies and practices at scale across your AWS en...

SSH Authentication & How its work in Background

Sep 7, 2025 · 2 min read · Step-by-Step SSH Login Flow with Key Pairs How the SSH login mechanism works in the background using key pairs, Step 1: The Client Generates the Key Pair The process begins on your local machine (the client). Using a tool like ssh-keygen, you generat...