Infrastructure as Code··8 min read
A Safe Terraform State Migration Playbook
Move Terraform state without gambling on production: back up, verify locks, map addresses, prove plan equivalence, and preserve a tested rollback path.
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Technical writing
Working notes on the platform changes that carry real operational risk: state migrations, cluster upgrades, rollback design, developer platforms, and cloud cost. Written by the engineers who do the work.
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Kubernetes··8 min read
Planning an EKS Upgrade Without Turning It Into an Incident
Upgrade EKS with explicit checks for skew, deprecated APIs, add-ons, disruption budgets, replacement nodes, canaries, observability, and rollback limits.
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Delivery Engineering··8 min read
Rollback Is a Feature: Designing CI/CD Pipelines That Can Recover
Build recovery into CI/CD with immutable artifacts, deployment records, compatible database changes, progressive delivery, flags, drills, and evidence.
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Platform Engineering··8 min read
What a Useful Internal Developer Platform Actually Standardizes
A useful internal developer platform standardizes repeatable decisions while keeping ownership, evidence, and exceptions visible to engineering teams.
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Cloud Cost··8 min read
A Practical AWS Cost Review: Where to Look Before You Resize Anything
A disciplined AWS cost review starts with billing dimensions, idle assets, transfer paths, commitments, and unit economics before instance resizing.
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Kubernetes··8 min read
Kubernetes Production Readiness Is More Than Health Checks
Production-ready Kubernetes workloads need resource contracts, disruption control, safe shutdown, scaling evidence, observability, and tested recovery.
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Earlier posts preserved from the original Redmanh engineering blog, kept at their original URLs.
Kubernetes··5 min read
Kubernetes Ingress with Traefik
A practical introduction to routing multiple applications through Traefik as a Kubernetes ingress controller.
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Infrastructure as Code··4 min read
Kubernetes Cluster on AWS with Terraform
An engineering archive walkthrough of provisioning the AWS infrastructure for a Kubernetes cluster with Terraform.
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