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From Provisioning to Control Plane: Designing a Hybrid Terraform + Crossplane Architecture at Scale

Mar 20, 20266 min read

Cross-Cloud VM Migration: GCP → AWS Using AWS Application Migration Service (MGN)

Mar 17, 20266 min read

Cost Optimization with Planned Downtime Migrating an EBS-Backed StatefulSet from Multi-AZ to Single-AZ in Amazon EKS (Production Pattern)

This migration was performed on a production workload where cost reduction was prioritized over zone-level high availability.

Mar 31, 20268 min read

AWS DevOps Agent: Real Testing, Architecture & Practical Insights

Mar 12, 20265 min read

Production-Grade GCS to S3 Migration: Secure, Private, and Zero-Egress Architecture

Mar 10, 20265 min read

Migrating Redis OSS Across AWS Accounts — Real Issues Faced and the Production-Safe Solution

A practical, real-world walkthrough of Redis OSS snapshot export, cross-account restore failures, and the production-safe migration pattern.

Mar 4, 20265 min read

Cross-Region RDS Disaster Recovery: Production Failover Architecture

1. Overview This post documents how I designed and implemented cross-region disaster recovery for a production MySQL database running on Amazon RDS. The requirement was straightforward: If the primary region (ap-south-1) becomes unavailable, the data...

Mar 3, 20264 min read

Migrating from Amazon Linux 2 to Amazon Linux 2023

A Practical Production Playbook (200 Instance Scenario) Amazon Linux 2 (AL2) will reach end-of-support on June 30, 2026. After that date, AWS will no longer provide security updates, patches, or new packages. Although AL2 continues to receive mainten...

Feb 26, 20265 min read

Production Incident: Control Plane Latency During Large-Scale Rollout on Amazon EKS

1. Context As part of readiness planning for high-demand production scenarios, we executed a large-scale rollout simulation on one of our production clusters running onAmazon Elastic Kubernetes Service. The cluster hosts thousands of pods, supports a...

Feb 25, 20263 min read

Production Change: Migrating a StatefulSet from Large to Smaller Nodes in EKS (Without Downtime)

A real production change where we safely migrated a StatefulSet from large to smaller EKS node groups without downtime.

Feb 24, 20265 min read

Zero-Downtime Migration from NGINX Ingress to Gateway API on Amazon EKS (Production Case Study)

A Zero-Downtime, Step-by-Step Implementation Guide 1. Overview In this post, we walk through a real production migration of a Kubernetes workload from NGINX Ingress Controller to Kubernetes Gateway API, implemented using Envoy Gateway, on Amazon EKS...

Feb 19, 20266 min read

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